Zinc Sulphate Heptahydrate BP / Ph Eur is zinc sulphate containing seven molecules of water of crystallization (ZnSO₄·7H₂O). It occurs as a white or almost white crystalline powder or colourless, transparent crystals, efflorescent in nature and very soluble in water. The substance complies with an assay requirement of 99.0% to 104.0% of ZnSO₄·7H₂O and meets established pharmacopeial purity criteria, including specified limits for chlorides, iron, pH, and solution clarity. Zinc Sulphate Heptahydrate is widely used in pharmaceutical and analytical applications as a regulated source of zinc, where consistent identity, quality, and impurity control are essential.
Zinc Sulphate Heptahydrate BP / Ph Eur is zinc sulphate containing seven molecules of water of crystallization (ZnSO₄·7H₂O). It occurs as a white or almost white crystalline powder or colourless, transparent crystals, efflorescent in nature and very soluble in water. The substance complies with an assay requirement of 99.0% to 104.0% of ZnSO₄·7H₂O and meets established pharmacopeial purity criteria, including specified limits for chlorides, iron, pH, and solution clarity. Zinc Sulphate Heptahydrate is widely used in pharmaceutical and analytical applications as a regulated source of zinc, where consistent identity, quality, and impurity control are essential.
Synonyms: Zinc OxideCAS Number: 1314-13-2, Molecular Weight: 81.39, Chemical Formula: ZnO, EINECS EC Number: 215-222-5, FEMA: ----,
Zinc Oxide BP Ph Eur Grade SpecificationsPh EurZnO -- 81.4 -- CAS 1341-13-2
DEFINITIONContent: 99.0 per cent to 100.5 per cent (ignited substance).
CHARACTERSAppearance: Soft, white or faintly yellowish-white, amorphous powder, free from gritty particles.Solubility: Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute mineral acids.
IDENTIFICATIONA. It becomes yellow when strongly heated; the yellow colour disappears on cooling.B. Dissolve 0.1 g in 1.5 ml of dilute hydrochloric acid and dilute to 5 ml with water. The solution gives the reaction of zinc.
TESTSAlkalinity: Shake 1.0 g with 10 ml of boiling water. Add 0.1 ml of PhPh solution and filter. If the filtrate is red, not more than 0.3 ml of 0.1 M hydrochloric acid is required to change the colour of the indicator.Carbonates and substances insoluble in acids: Dissolve 1.0 g in 15 ml of dilute hydrochloric acid. It dissolves without effervescence and the solution is not more opalescent than reference suspension and is colourless.Arsenic: Maximum 5 ppm, determined on 0.2 g.Cadmium: Maximum 10.0 ppm.Iron: Maximum 200 ppm.Lead: Maximum 50.0 ppm.Loss on ignition: Maximum 1.0 per cent, determined on 1.00 g by ignition to constant mass at 500 ±50C.
Synonyms: Zinc OxideCAS Number: 1314-13-2, Molecular Weight: 81.39, Chemical Formula: ZnO, EINECS EC Number: 215-222-5, FEMA: ----,
Zinc Oxide BP Ph Eur Grade SpecificationsPh EurZnO -- 81.4 -- CAS 1341-13-2
DEFINITIONContent: 99.0 per cent to 100.5 per cent (ignited substance).
CHARACTERSAppearance: Soft, white or faintly yellowish-white, amorphous powder, free from gritty particles.Solubility: Practically insoluble in water and in ethanol (96 per cent). It dissolves in dilute mineral acids.
IDENTIFICATIONA. It becomes yellow when strongly heated; the yellow colour disappears on cooling.B. Dissolve 0.1 g in 1.5 ml of dilute hydrochloric acid and dilute to 5 ml with water. The solution gives the reaction of zinc.
TESTSAlkalinity: Shake 1.0 g with 10 ml of boiling water. Add 0.1 ml of PhPh solution and filter. If the filtrate is red, not more than 0.3 ml of 0.1 M hydrochloric acid is required to change the colour of the indicator.Carbonates and substances insoluble in acids: Dissolve 1.0 g in 15 ml of dilute hydrochloric acid. It dissolves without effervescence and the solution is not more opalescent than reference suspension and is colourless.Arsenic: Maximum 5 ppm, determined on 0.2 g.Cadmium: Maximum 10.0 ppm.Iron: Maximum 200 ppm.Lead: Maximum 50.0 ppm.Loss on ignition: Maximum 1.0 per cent, determined on 1.00 g by ignition to constant mass at 500 ±50C.
CAS Number: 6155-68-6 or 16039-53-5, Molecular Weight: 243.52 or 279.51, Chemical Formula: C6H10O6Zn or C6 H1 0O6Zn.2H2O, EINECS EC Number: 228-175-0 or 240-178-9, FEMA: ----,
Zinc Lactate is a zinc salt of lactic acid. It is a white granular or crystalline powder that is easily soluble in hot water. And is primarily used as a food additive and medical raw materials. Zinc Lactate has an anti-microbial action, it is very effective in the treatment of gingivitis and tartar. And can be commonly found in toothpaste, mouthwash, chewing gums and other oral hygiene products. Zinc Lactate can also be used as a dietary supplement and as a nutrient. Zinc is an important antioxidant nutrient. It is necessary for protein synthesis, wound healing, for blood stability, normal tissue function, and aids in the digestion and metabolism of phosphorus. It also governs the contractility of muscles and maintains the body’s alkaline balance.
Specifications of Zinc Lactate DihydrateDescription: White crystalline powder.Solubility: Freely soluble in hot water, Slightly soluble in alcohol.PH on 10.0% w/v solution: 5.0 to 8.0Heavy Metals: 15 ppm maximumChloride: 200 ppm maximumSulfate: 250 ppm maximumIron: 80 ppm maximumLoss on Drying (4 hrs at 120C): 13.5% maximumAssay (dried basis): 99.0 % miniimumZinc content: 23.2% - 24.5Material is offered with low microbial count.
CAS Number: 6155-68-6 or 16039-53-5, Molecular Weight: 243.52 or 279.51, Chemical Formula: C6H10O6Zn or C6 H1 0O6Zn.2H2O, EINECS EC Number: 228-175-0 or 240-178-9, FEMA: ----,
Zinc Lactate is a zinc salt of lactic acid. It is a white granular or crystalline powder that is easily soluble in hot water. And is primarily used as a food additive and medical raw materials. Zinc Lactate has an anti-microbial action, it is very effective in the treatment of gingivitis and tartar. And can be commonly found in toothpaste, mouthwash, chewing gums and other oral hygiene products. Zinc Lactate can also be used as a dietary supplement and as a nutrient. Zinc is an important antioxidant nutrient. It is necessary for protein synthesis, wound healing, for blood stability, normal tissue function, and aids in the digestion and metabolism of phosphorus. It also governs the contractility of muscles and maintains the body’s alkaline balance.
Specifications of Zinc Lactate DihydrateDescription: White crystalline powder.Solubility: Freely soluble in hot water, Slightly soluble in alcohol.PH on 10.0% w/v solution: 5.0 to 8.0Heavy Metals: 15 ppm maximumChloride: 200 ppm maximumSulfate: 250 ppm maximumIron: 80 ppm maximumLoss on Drying (4 hrs at 120C): 13.5% maximumAssay (dried basis): 99.0 % miniimumZinc content: 23.2% - 24.5Material is offered with low microbial count.
Synonyms: Gluconic Acid, Zinc SaltCAS Number: 4468-02-4, Molecular Weight: 455.68, Chemical Formula: C12H22ZnO14.(xH20), EINECS EC Number: 224-736-9, FEMA: ----,
Zinc Gluconate USP Grade Specifications
C12H22O14Zn --- 455.68Bis(D-gluconato-O1,O2) zinc.Zinc D-gluconate (1:2) CAS Number 4468-02-4
Zinc Gluconate contains not less than 97.0 percent and not more than 102.0 percent of C12H22O14Zn, calculated on the anhydrous basis.
Identification—A: A solution (1 in 10) responds to the tests for Zinc.B: Chromatographic plate test.pH: between 5.5 and 7.5, in a solution (1 in 100).Water: not more than 11.6%.Chloride: A 1.0-g portion shows no more chloride than corresponds to 0.70 mL of 0.020 N hydrochloric acid (0.05%).Sulfate: A 2.0-g portion shows no more sulfate than corresponds to 1.0 mL of 0.020 N sulfuric acid (0.05%).Arsenic: the limit is 3 ppm.Reducing substances: the limit is 1.0%.Limit of cadmium: the limit is 5 ppm.Limit of lead: To pass the test (0.001%).
Specifications of Zinc Gluconate BP Ph Eur Grade Specifications:C12H22ZnO14,xH2O --- 455.7 (anhydrous substance)
DEFINITIONAnhydrous or hydrated zinc D-gluconate.Content: 98.0 per cent to 102.0 per cent (anhydrous substance).
CHARACTERSAppearance: White or almost white, hygroscopic, crystalline powder.Solubility: Soluble in water, practically insoluble in anhydrous ethanol and in methylene chloride.
Synonyms: Gluconic Acid, Zinc SaltCAS Number: 4468-02-4, Molecular Weight: 455.68, Chemical Formula: C12H22ZnO14.(xH20), EINECS EC Number: 224-736-9, FEMA: ----,
Zinc Gluconate USP Grade Specifications
C12H22O14Zn --- 455.68Bis(D-gluconato-O1,O2) zinc.Zinc D-gluconate (1:2) CAS Number 4468-02-4
Zinc Gluconate contains not less than 97.0 percent and not more than 102.0 percent of C12H22O14Zn, calculated on the anhydrous basis.
Identification—A: A solution (1 in 10) responds to the tests for Zinc.B: Chromatographic plate test.pH: between 5.5 and 7.5, in a solution (1 in 100).Water: not more than 11.6%.Chloride: A 1.0-g portion shows no more chloride than corresponds to 0.70 mL of 0.020 N hydrochloric acid (0.05%).Sulfate: A 2.0-g portion shows no more sulfate than corresponds to 1.0 mL of 0.020 N sulfuric acid (0.05%).Arsenic: the limit is 3 ppm.Reducing substances: the limit is 1.0%.Limit of cadmium: the limit is 5 ppm.Limit of lead: To pass the test (0.001%).
Specifications of Zinc Gluconate BP Ph Eur Grade Specifications:C12H22ZnO14,xH2O --- 455.7 (anhydrous substance)
DEFINITIONAnhydrous or hydrated zinc D-gluconate.Content: 98.0 per cent to 102.0 per cent (anhydrous substance).
CHARACTERSAppearance: White or almost white, hygroscopic, crystalline powder.Solubility: Soluble in water, practically insoluble in anhydrous ethanol and in methylene chloride.
CAS Number: 5263-02-5 & 3486-35-9, Chemical Formula: ZnCO3]2-[Zn(OH)2]3, EINECS EC Number: 226-076-7, FEMA: ----,
Zinc Carbonate USP Grade Specifications3Zn(OH)2-2ZnCO3 549.01Basic zinc carbonate.Zinc subcarbonate CAS 3486-35-9
Zinc Carbonate contains the equivalent of not less than 70.0 percent of ZnO. (This 70% ZnO is equivalent to 56.1% Zinc. We can also offer Zinc Carbonate of minimum 60% Zinc content.)
Identification: A solution of it in a slight excess of hydrochloric acid responds to the tests for Zinc.Insoluble matter: Dissolve 10-g Zinc Carbonate in a mixture of 100 mL of water and 7 mL of sulfuric acid, and heat on a steam bath for 1 hour. Filter the solution through a tarred sintered-glass crucible, wash with hot water, dry the crucible at 105C, cool, and weigh: the residue weighs not more than 20 mg (0.02%).
CAS Number: 5263-02-5 & 3486-35-9, Chemical Formula: ZnCO3]2-[Zn(OH)2]3, EINECS EC Number: 226-076-7, FEMA: ----,
Zinc Carbonate USP Grade Specifications3Zn(OH)2-2ZnCO3 549.01Basic zinc carbonate.Zinc subcarbonate CAS 3486-35-9
Zinc Carbonate contains the equivalent of not less than 70.0 percent of ZnO. (This 70% ZnO is equivalent to 56.1% Zinc. We can also offer Zinc Carbonate of minimum 60% Zinc content.)
Identification: A solution of it in a slight excess of hydrochloric acid responds to the tests for Zinc.Insoluble matter: Dissolve 10-g Zinc Carbonate in a mixture of 100 mL of water and 7 mL of sulfuric acid, and heat on a steam bath for 1 hour. Filter the solution through a tarred sintered-glass crucible, wash with hot water, dry the crucible at 105C, cool, and weigh: the residue weighs not more than 20 mg (0.02%).
ApplicationCosmetics, Pharmaceuticals, Food Industry
MaterialBeeswax
GradeBP Ph Eur Grade
SolubilityPractically Insoluble In Water, Partially Soluble In Hot Ethanol, Completely Soluble In Fatty And Essential Oils
DensityAbout 0.960
Drop Point61C To 66C
FragranceSimilar To Yellow Beeswax, Fainter And Never Rancid
White Beeswax BP Ph Eur Grade SpecificationsPh Eur
DEFINITIONWax obtained by bleaching yellow beeswax.
CHARACTERSAppearance: White or yellowish-white pieces or plates, translucent when thin, with a fine-grained, matt and non-crystalline fracture; when warmed in the hand they become soft and malleable. It has an odour similar to that of yellow beeswax, though fainter and never rancid. It is tasteless and does not stick to the teeth.Solubility: Practically insoluble in water, partially soluble in hot ethanol (90 per cent V/V) and completely soluble in fatty and essential oils.Relative density: About 0.960.
TESTSDrop point: 61C to 66C.Melt the beeswax by heating on a water-bath, pour onto a glass plate and allow to cool to a semi-solid mass. Fill the metal cup by inserting the wider end into the beeswax and repeating the procedure until beeswax extrudes from the narrow opening. Remove the excess with a spatula and insert the thermometer immediately. Remove the beeswax displaced. Allow to stand at room temperature for at least 12 h before determining the drop point.Acid value: 17.0 to 24.0.Ester value: 70 to 80.Saponification value: 87 to 104.
White Beeswax BP Ph Eur Grade SpecificationsPh Eur
DEFINITIONWax obtained by bleaching yellow beeswax.
CHARACTERSAppearance: White or yellowish-white pieces or plates, translucent when thin, with a fine-grained, matt and non-crystalline fracture; when warmed in the hand they become soft and malleable. It has an odour similar to that of yellow beeswax, though fainter and never rancid. It is tasteless and does not stick to the teeth.Solubility: Practically insoluble in water, partially soluble in hot ethanol (90 per cent V/V) and completely soluble in fatty and essential oils.Relative density: About 0.960.
TESTSDrop point: 61C to 66C.Melt the beeswax by heating on a water-bath, pour onto a glass plate and allow to cool to a semi-solid mass. Fill the metal cup by inserting the wider end into the beeswax and repeating the procedure until beeswax extrudes from the narrow opening. Remove the excess with a spatula and insert the thermometer immediately. Remove the beeswax displaced. Allow to stand at room temperature for at least 12 h before determining the drop point.Acid value: 17.0 to 24.0.Ester value: 70 to 80.Saponification value: 87 to 104.
Type : Wax
Color : White Or Yellowish-white
Application : Cosmetics, Pharmaceuticals, Food Industry
Synonyms: Polysaccharide gum produced by the fermentation of carbohydrate with the bacterium Xanthomonas campestrisCAS Number: 11138-66-2, Molecular Weight: polymer, Chemical Formula: (C35H49O29)n, EINECS EC Number: 234-394-2, FEMA: ----,
Xanthan Gum BP Ph Eur Grade SpecificationsPh EurAction and use: Excipient.DEFINITIONHigh-molecular-mass anionic polysaccharide produced by fermentation of carbohydrates with Xanthomonas campestris.Xanthan gum has a relative molecular mass of approximately 1 × 106. It exists as the sodium, potassium or calcium salt.Content: Minimum 1.5 per cent of pyruvoyl groups (C3H3O2; Mr 71.1) (dried substance).
CHARACTERSAppearance: White or yellowish-white, free-flowing powder.Solubility: Soluble in water giving a highly viscous solution, practically insoluble in organic solvents.
Synonyms: Polysaccharide gum produced by the fermentation of carbohydrate with the bacterium Xanthomonas campestrisCAS Number: 11138-66-2, Molecular Weight: polymer, Chemical Formula: (C35H49O29)n, EINECS EC Number: 234-394-2, FEMA: ----,
Xanthan Gum BP Ph Eur Grade SpecificationsPh EurAction and use: Excipient.DEFINITIONHigh-molecular-mass anionic polysaccharide produced by fermentation of carbohydrates with Xanthomonas campestris.Xanthan gum has a relative molecular mass of approximately 1 × 106. It exists as the sodium, potassium or calcium salt.Content: Minimum 1.5 per cent of pyruvoyl groups (C3H3O2; Mr 71.1) (dried substance).
CHARACTERSAppearance: White or yellowish-white, free-flowing powder.Solubility: Soluble in water giving a highly viscous solution, practically insoluble in organic solvents.
Vanadyl sulfate, VOSO4, is an inorganic compound of vanadium. This very hygroscopic blue solid is one of the most common sources of vanadium in the laboratory, reflecting its high stability. Vanadyl sulfate is a component of some food supplements and experimental drugs. Vanadyl sulfate is a trace mineral needed in small quantities by our body. It is found in soybeans, mushrooms, shellfish, carrots, oat, cabbage and vegetable oils etc. The primary role vanadyl sulfate has in your body is maintaining your teeth and bones.
Specifications of Vanadyl Sulfate:
Molecular formula
VOSO4-2H2O
Molecular weight
198.94
Description
Blue colored crystalline powder
Vanadium
Min. 30.31 %
Assay
Min. 97.00%
Solubility
Clear solution
Water Insolubles
0.05% Maximum
pH
2 to 3
Vanadyl sulfate, VOSO4, is an inorganic compound of vanadium. This very hygroscopic blue solid is one of the most common sources of vanadium in the laboratory, reflecting its high stability. Vanadyl sulfate is a component of some food supplements and experimental drugs. Vanadyl sulfate is a trace mineral needed in small quantities by our body. It is found in soybeans, mushrooms, shellfish, carrots, oat, cabbage and vegetable oils etc. The primary role vanadyl sulfate has in your body is maintaining your teeth and bones.
Specifications of Vanadyl Sulfate:
Molecular formula
VOSO4-2H2O
Molecular weight
198.94
Description
Blue colored crystalline powder
Vanadium
Min. 30.31 %
Assay
Min. 97.00%
Solubility
Clear solution
Water Insolubles
0.05% Maximum
pH
2 to 3
Urea BP / Ph Eur (Carbamide) is carbonyl diamide (NH₂CONH₂), a white or almost white crystalline substance supplied as crystalline powder or transparent crystals, slightly hygroscopic and very soluble in water. It complies with an assay requirement of 98.5% to 101.5% on the dried basis and meets established pharmacopeial purity criteria, including limits for biuret, ammonium, heavy metals, loss on drying, and sulphated ash. Urea is widely used in pharmaceutical, medical, and biochemical applications where controlled quality, identity, and impurity profiles are essential.
Urea BP / Ph Eur (Carbamide) is carbonyl diamide (NH₂CONH₂), a white or almost white crystalline substance supplied as crystalline powder or transparent crystals, slightly hygroscopic and very soluble in water. It complies with an assay requirement of 98.5% to 101.5% on the dried basis and meets established pharmacopeial purity criteria, including limits for biuret, ammonium, heavy metals, loss on drying, and sulphated ash. Urea is widely used in pharmaceutical, medical, and biochemical applications where controlled quality, identity, and impurity profiles are essential.
Synonyms: Triethyl CitrateCAS Number: 77-93-0, Molecular Weight: 276.28, Chemical Formula: C12H20O7 or HOC(COOC2H5)(CH2COOC2H5)2, EINECS EC Number: 201-070-7, FEMA: ----,
Triethyl citrate is used in foods as a flavoring agent, solvent, and surface-active agent Triethyl citrate is an ester of citric acid. It is a colorless, odorless liquid used as a food additive (E number E1505) to stabilize foams, especially as whipping aid for egg white. In pharmaceutical coatings and plastics. Triethyl citrate may also be used in cosmetics, personal care products, pharmaceutical coatings, and plastics.
Specifications of Triethyl Citrate USP NF Grade:C12H20O7 --- 276.28
DEFINITIONTriethyl Citrate contains NLT 99.0% and NMT 100.5% of C12H20O7 , calculated on the anhydrous basis.
IDENTIFICATIONA. Infrared AbsorptionB. The retention time of the major peak of the Sample solution corresponds to that of a similar preparation of USP Triethyl Citrate RS, as obtained in the Assay.
ASSAYTo pass the test by Chromatography.Acceptance criteria: 99.0% - 100.5% on the anhydrous basis
Synonyms: Triethyl CitrateCAS Number: 77-93-0, Molecular Weight: 276.28, Chemical Formula: C12H20O7 or HOC(COOC2H5)(CH2COOC2H5)2, EINECS EC Number: 201-070-7, FEMA: ----,
Triethyl citrate is used in foods as a flavoring agent, solvent, and surface-active agent Triethyl citrate is an ester of citric acid. It is a colorless, odorless liquid used as a food additive (E number E1505) to stabilize foams, especially as whipping aid for egg white. In pharmaceutical coatings and plastics. Triethyl citrate may also be used in cosmetics, personal care products, pharmaceutical coatings, and plastics.
Specifications of Triethyl Citrate USP NF Grade:C12H20O7 --- 276.28
DEFINITIONTriethyl Citrate contains NLT 99.0% and NMT 100.5% of C12H20O7 , calculated on the anhydrous basis.
IDENTIFICATIONA. Infrared AbsorptionB. The retention time of the major peak of the Sample solution corresponds to that of a similar preparation of USP Triethyl Citrate RS, as obtained in the Assay.
ASSAYTo pass the test by Chromatography.Acceptance criteria: 99.0% - 100.5% on the anhydrous basis
Synonyms: Tranexamic AcidCAS Number: 1197-18-8, Molecular Weight: 157.21, Chemical Formula: C8H15NO2, EINECS EC Number: 622-133-9, FEMA: ----,
Tranexamic acid is used to prevent and treat blood loss in a variety of situations, such as dental procedures, heavy menstrual bleeding, and surgeries with high risk of blood loss. Tranexamic acid can be used in skincare products as a cosmetic active to reduce the appearance of inflammation and hyperpigmentation.
General Properties and Specifications of Tranexamic Acid:Appearance: White to Almost white powder or crystals.Assay: 99% to 101%Relative Density: 1.1 (Predicted).Melting Point: >300C.Solubility: Soluble in water.Storage: Room Temperature.
Tranexamic Acid USP Grade Specifications:C8H15NO2 --- 157.21trans-4-(Aminomethyl)cyclohexanecarboxylic acid;Cyclohexanecarboxylic acid, 4-(aminomethyl)-, trans CAS 1197-18-8UNII: 6T84R30KC1
DEFINITIONTranexamic Acid contains NLT 99.0% and NMT 101.0% of C8H15NO2 calculated on the dried basis.
IDENTIFICATIONInfrared AbsorptionResidue on Ignition: NMT 0.1%; 1-g sample is used.Chloride and Sulfate, Chloride: A 0.51-g portion shows no more chloride than corresponds to 0.1 mL of 0.020 N hydrochloric acid (0.014%).Organic Impurities: To pass the test.Loss on Drying: Dry 1.00 g at 105C under vacuum for 2 h. It loses NMT 0.5% of its weight.Packaging and Storage: Preserve in tight containers, and store at a temperature not exceeding 30C.
Synonyms: Tranexamic AcidCAS Number: 1197-18-8, Molecular Weight: 157.21, Chemical Formula: C8H15NO2, EINECS EC Number: 622-133-9, FEMA: ----,
Tranexamic acid is used to prevent and treat blood loss in a variety of situations, such as dental procedures, heavy menstrual bleeding, and surgeries with high risk of blood loss. Tranexamic acid can be used in skincare products as a cosmetic active to reduce the appearance of inflammation and hyperpigmentation.
General Properties and Specifications of Tranexamic Acid:Appearance: White to Almost white powder or crystals.Assay: 99% to 101%Relative Density: 1.1 (Predicted).Melting Point: >300C.Solubility: Soluble in water.Storage: Room Temperature.
Tranexamic Acid USP Grade Specifications:C8H15NO2 --- 157.21trans-4-(Aminomethyl)cyclohexanecarboxylic acid;Cyclohexanecarboxylic acid, 4-(aminomethyl)-, trans CAS 1197-18-8UNII: 6T84R30KC1
DEFINITIONTranexamic Acid contains NLT 99.0% and NMT 101.0% of C8H15NO2 calculated on the dried basis.
IDENTIFICATIONInfrared AbsorptionResidue on Ignition: NMT 0.1%; 1-g sample is used.Chloride and Sulfate, Chloride: A 0.51-g portion shows no more chloride than corresponds to 0.1 mL of 0.020 N hydrochloric acid (0.014%).Organic Impurities: To pass the test.Loss on Drying: Dry 1.00 g at 105C under vacuum for 2 h. It loses NMT 0.5% of its weight.Packaging and Storage: Preserve in tight containers, and store at a temperature not exceeding 30C.
Synonyms: Talc Dusting Powder and Purified TalcCAS Number: 14807-96-6, Molecular Weight: 379.27, Chemical Formula: 3MgO-4SiO2-H2O, EINECS EC Number: 238-877-9, FEMA: ----,
Talc USP NF Grade Specifications
Talc is a powdered, selected, natural, hydrated magnesium silicate. Pure talc has the formula Mg3Si4O10(OH)2. It may contain variable amounts of associated minerals among which chlorites (hydrated aluminum and magnesium silicates), magnesite (magnesium carbonate), calcite (calcium carbonate), and dolomite (calcium and magnesium carbonate) are predominant.
Synonyms: Talc Dusting Powder and Purified TalcCAS Number: 14807-96-6, Molecular Weight: 379.27, Chemical Formula: 3MgO-4SiO2-H2O, EINECS EC Number: 238-877-9, FEMA: ----,
Talc USP NF Grade Specifications
Talc is a powdered, selected, natural, hydrated magnesium silicate. Pure talc has the formula Mg3Si4O10(OH)2. It may contain variable amounts of associated minerals among which chlorites (hydrated aluminum and magnesium silicates), magnesite (magnesium carbonate), calcite (calcium carbonate), and dolomite (calcium and magnesium carbonate) are predominant.
Hydrogenated Soybean Oil USP NF Grade SpecificationsCAS 8016-70-4Hydrogenated Soybean Oil is the product obtained by refining, bleaching, hydrogenation, and deodorization of oil obtained from seeds of the soya plant Glycine max Merr. (Fabaceae). The product consists mainly of triglycerides of palmitic and stearic acids.
Hydrogenated Soybean Oil USP NF Grade SpecificationsCAS 8016-70-4Hydrogenated Soybean Oil is the product obtained by refining, bleaching, hydrogenation, and deodorization of oil obtained from seeds of the soya plant Glycine max Merr. (Fabaceae). The product consists mainly of triglycerides of palmitic and stearic acids.
Sodium Thiosulfate Anhydrous is the anhydrous form of sodium thiosulfate (Na₂S₂O₃), presented as a white, free-flowing powder readily soluble in water. It complies with an assay requirement of not less than 99.0% and not more than 100.5% on an anhydrous basis and meets stringent purity criteria, including limits for insoluble matter, sulphites, sulphates, iron, heavy metals, and related sodium salts. The substance is widely used in pharmaceutical, analytical, and industrial applications, primarily as a reducing agent, antioxidant, and complexing agent, where consistent quality and controlled impurity levels are essential.
Sodium Thiosulfate Anhydrous is the anhydrous form of sodium thiosulfate (Na₂S₂O₃), presented as a white, free-flowing powder readily soluble in water. It complies with an assay requirement of not less than 99.0% and not more than 100.5% on an anhydrous basis and meets stringent purity criteria, including limits for insoluble matter, sulphites, sulphates, iron, heavy metals, and related sodium salts. The substance is widely used in pharmaceutical, analytical, and industrial applications, primarily as a reducing agent, antioxidant, and complexing agent, where consistent quality and controlled impurity levels are essential.
Sodium Perborate BP / Ph Eur is hydrated sodium perborate (NaBO₃·3H₂O), complying with an assay requirement of 96.0% to 103.0%, and used as a pharmaceutical-grade oxidizing agent and source of active oxygen.
Sodium Perborate BP / Ph Eur is hydrated sodium perborate (NaBO₃·3H₂O), complying with an assay requirement of 96.0% to 103.0%, and used as a pharmaceutical-grade oxidizing agent and source of active oxygen.
Synonyms: Sodium dodecyl sulfate or Sodium lauryl sulphateCAS Number: 151-21-3, Molecular Weight: 288.37, Chemical Formula: NaC12H25SO4, EINECS EC Number: 205-788-1, FEMA: ----,
Sodium dodecyl sulfate, synonymously sodium lauryl sulfate (or laurilsulfate; SDS or SLS, respectively), is a synthetic organic compound with the formula CH3(CH2)11SO4Na. It is an anionic surfactant used in many cleaning and hygiene products.
Sodium Lauryl Sulfate USP NF Grade SpecificationsSulfuric acid monododecyl ester sodium salt.Sodium monododecyl sulfate CAS 151-21-3
Sodium Lauryl Sulfate is a mixture of sodium alkyl sulfates consisting chiefly of sodium lauryl sulfate [CH3(CH2)10CH2OSO3Na]. The combined content of sodium chloride and sodium sulfate is not more than 8.0 percent.
Packaging and storage: Preserve in well-closed containers.Identification:A: Ignite about 500 mg at 800 until the carbon is consumed: the residue dissolved in 10 mL of water responds to the tests for Sodium.B: A solution (1 in 10) after acidification with hydrochloric acid and gentle boiling for 20 minutes, responds to the tests for Sulfate.Alkalinity: Dissolve 1.0 g in 100 mL of water, add phenol red, and titrate with 0.10 N hydrochloric acid: not more than 0.60 mL is required for neutralization.Heavy metals: 0.002%.Sodium chloride: Dissolve about 5 g, accurately weighed, in about 50 mL of water. Neutralize the solution with 0.8 N nitric acid, using litmus paper as the indicator, add 2 mL of potassium chromate, and titrate with 0.1 N silver nitrate. Each mL of 0.1 N silver nitrate is equivalent to 5.844 mg of NaCl.
Synonyms: Sodium dodecyl sulfate or Sodium lauryl sulphateCAS Number: 151-21-3, Molecular Weight: 288.37, Chemical Formula: NaC12H25SO4, EINECS EC Number: 205-788-1, FEMA: ----,
Sodium dodecyl sulfate, synonymously sodium lauryl sulfate (or laurilsulfate; SDS or SLS, respectively), is a synthetic organic compound with the formula CH3(CH2)11SO4Na. It is an anionic surfactant used in many cleaning and hygiene products.
Sodium Lauryl Sulfate USP NF Grade SpecificationsSulfuric acid monododecyl ester sodium salt.Sodium monododecyl sulfate CAS 151-21-3
Sodium Lauryl Sulfate is a mixture of sodium alkyl sulfates consisting chiefly of sodium lauryl sulfate [CH3(CH2)10CH2OSO3Na]. The combined content of sodium chloride and sodium sulfate is not more than 8.0 percent.
Packaging and storage: Preserve in well-closed containers.Identification:A: Ignite about 500 mg at 800 until the carbon is consumed: the residue dissolved in 10 mL of water responds to the tests for Sodium.B: A solution (1 in 10) after acidification with hydrochloric acid and gentle boiling for 20 minutes, responds to the tests for Sulfate.Alkalinity: Dissolve 1.0 g in 100 mL of water, add phenol red, and titrate with 0.10 N hydrochloric acid: not more than 0.60 mL is required for neutralization.Heavy metals: 0.002%.Sodium chloride: Dissolve about 5 g, accurately weighed, in about 50 mL of water. Neutralize the solution with 0.8 N nitric acid, using litmus paper as the indicator, add 2 mL of potassium chromate, and titrate with 0.1 N silver nitrate. Each mL of 0.1 N silver nitrate is equivalent to 5.844 mg of NaCl.
Synonyms: Lactic acid sodium saltCAS Number: 72-17-3, Molecular Weight: 112.06, Chemical Formula: C3H5NaO3, EINECS EC Number: 200-772-0, FEMA: ----,
Sodium Lactate Solution USP Grade SpecificationsSodium Lactate Solution is an aqueous solution containing not less than 50.0 percent, by weight, of monosodium lactate. It contains not less than 98.0 percent and not more than 102.0 percent of the labeled amount of C3H5NaO3.Label it to indicate its content of sodium lactate.
Identification— It responds to the tests for Sodium and for Lactate.pH: between 5.0 and 9.0.Chloride— A portion, equivalent to 1 g of sodium lactate, shows no more chloride than corresponds to 0.7 mL of 0.020 N hydrochloric acid (0.05%).Sulfate— To 10 mL of a solution (1 in 100) add 2 drops of hydrochloric acid and 1 mL of barium chloride TS: no turbidity is produced.Heavy metals— Dilute a quantity of Solution, equivalent to 2.0 g of sodium lactate, with 1 N acetic acid to 25 mL: the limit is 0.001%.Sugars— To 10 mL of hot alkaline cupric tartrate TS add 5 drops of Solution: no red precipitate is formed.Limit of citrate, oxalate, phosphate, or tartrate— Dilute 5 mL with recently boiled and cooled water to 50 mL. To 4 mL of this solution add 6 N ammonium hydroxide or 3 N hydrochloric acid, if necessary, to bring the pH to between 7.3 and 7.7. Add 1 mL of calcium chloride TS, and heat in a boiling water bath for 5 minutes: the solution remains clear.
Synonyms: Lactic acid sodium saltCAS Number: 72-17-3, Molecular Weight: 112.06, Chemical Formula: C3H5NaO3, EINECS EC Number: 200-772-0, FEMA: ----,
Sodium Lactate Solution USP Grade SpecificationsSodium Lactate Solution is an aqueous solution containing not less than 50.0 percent, by weight, of monosodium lactate. It contains not less than 98.0 percent and not more than 102.0 percent of the labeled amount of C3H5NaO3.Label it to indicate its content of sodium lactate.
Identification— It responds to the tests for Sodium and for Lactate.pH: between 5.0 and 9.0.Chloride— A portion, equivalent to 1 g of sodium lactate, shows no more chloride than corresponds to 0.7 mL of 0.020 N hydrochloric acid (0.05%).Sulfate— To 10 mL of a solution (1 in 100) add 2 drops of hydrochloric acid and 1 mL of barium chloride TS: no turbidity is produced.Heavy metals— Dilute a quantity of Solution, equivalent to 2.0 g of sodium lactate, with 1 N acetic acid to 25 mL: the limit is 0.001%.Sugars— To 10 mL of hot alkaline cupric tartrate TS add 5 drops of Solution: no red precipitate is formed.Limit of citrate, oxalate, phosphate, or tartrate— Dilute 5 mL with recently boiled and cooled water to 50 mL. To 4 mL of this solution add 6 N ammonium hydroxide or 3 N hydrochloric acid, if necessary, to bring the pH to between 7.3 and 7.7. Add 1 mL of calcium chloride TS, and heat in a boiling water bath for 5 minutes: the solution remains clear.
Synonyms: Sodium FluorideCAS Number: 7681-49-4, Molecular Weight: 41.99, Chemical Formula: NaF, EINECS EC Number: 231-667-8, FEMA: ----,
Sodium Fluoride BP Grade Ph Eur Specifications
DEFINITIONContent: 98.5 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white powder or colourless crystals.Solubility: Soluble in water, practically insoluble in ethanol (96 per cent).
IDENTIFICATIONA. To 2 ml of solution S (see Tests) add 0.5 ml of calcium chloride solution R. A gelatinous white precipitate is formed that dissolves on adding 5 ml of ferric chloride solution R1.B. To about 4 mg add a mixture of 0.1 ml of alizarin S solution R and 0.1 ml of zirconyl nitrate solution R and mix. The colour changes from red to yellow.C. Solution S gives reaction (a) of sodium.
Synonyms: Sodium FluorideCAS Number: 7681-49-4, Molecular Weight: 41.99, Chemical Formula: NaF, EINECS EC Number: 231-667-8, FEMA: ----,
Sodium Fluoride BP Grade Ph Eur Specifications
DEFINITIONContent: 98.5 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white powder or colourless crystals.Solubility: Soluble in water, practically insoluble in ethanol (96 per cent).
IDENTIFICATIONA. To 2 ml of solution S (see Tests) add 0.5 ml of calcium chloride solution R. A gelatinous white precipitate is formed that dissolves on adding 5 ml of ferric chloride solution R1.B. To about 4 mg add a mixture of 0.1 ml of alizarin S solution R and 0.1 ml of zirconyl nitrate solution R and mix. The colour changes from red to yellow.C. Solution S gives reaction (a) of sodium.
Synonyms: Sodium CyclamateCAS Number: 139-05-9 (53170-91-5, 61373-78-2, 68476-78-8), Molecular Weight: 201.22, Chemical Formula: C6H12NNaO3S, EINECS EC Number: 205-348-9, FEMA: ----,
Sodium Cyclamate BP Ph Eur Grade SpecificationsC6H12NNaO3S --- 201.2 CAS 139-05-9Action and use: Sweetening agent.
DEFINITIONSodium N-cyclohexylsulfamate.Content: 98.5 per cent to 101.0 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline powder or colourless crystals.Solubility: Freely soluble in water, slightly soluble in ethanol (96 per cent).
Synonyms: Sodium CyclamateCAS Number: 139-05-9 (53170-91-5, 61373-78-2, 68476-78-8), Molecular Weight: 201.22, Chemical Formula: C6H12NNaO3S, EINECS EC Number: 205-348-9, FEMA: ----,
Sodium Cyclamate BP Ph Eur Grade SpecificationsC6H12NNaO3S --- 201.2 CAS 139-05-9Action and use: Sweetening agent.
DEFINITIONSodium N-cyclohexylsulfamate.Content: 98.5 per cent to 101.0 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline powder or colourless crystals.Solubility: Freely soluble in water, slightly soluble in ethanol (96 per cent).
Synonyms: Benzoic acid, sodium saltCAS Number: 532-32-1, Molecular Weight: 144.1, Chemical Formula: C7H5NaO2, EINECS EC Number: 208-534-8, FEMA: ----,
Sodium benzoate has the chemical formula NaC7H5O2. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water.
Sodium Benzoate BP Ph Eur Grade SpecificationsC7H5NaO2
DEFINITIONSodium benzenecarboxylateContent: 99.0 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline or granular powder or flakes, slightly hygroscopic.Solubility: Freely soluble in water, sparingly soluble in ethanol (90 per cent V/V).
IDENTIFICATIONA. It gives reactions of benzoates.B. It gives reaction of sodium.
Synonyms: Benzoic acid, sodium saltCAS Number: 532-32-1, Molecular Weight: 144.1, Chemical Formula: C7H5NaO2, EINECS EC Number: 208-534-8, FEMA: ----,
Sodium benzoate has the chemical formula NaC7H5O2. It is a widely used food preservative, with an E number of E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water.
Sodium Benzoate BP Ph Eur Grade SpecificationsC7H5NaO2
DEFINITIONSodium benzenecarboxylateContent: 99.0 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline or granular powder or flakes, slightly hygroscopic.Solubility: Freely soluble in water, sparingly soluble in ethanol (90 per cent V/V).
IDENTIFICATIONA. It gives reactions of benzoates.B. It gives reaction of sodium.
Synonyms: Sodium aluminosilicate or Sodium silicoaluminate or Sodium aluminium silicate or Aluminum sodium silicateCAS Number: 1344-00-9, Molecular Weight: ----, Chemical Formula: ----, EINECS EC Number: 215-684-8, FEMA: ----,
Specifications of Aluminium Sodium Silicate BP Ph Eur Grade:
DEFINITIONSilicic acid aluminium sodium salt of synthetic origin.Content:- aluminium (Al; Mr 26.98): 2.7 per cent to 7.9 per cent (dried substance);- sodium (Na; Mr 22.99): 3.7 per cent to 6.3 per cent (dried substance).
CHARACTERSAppearance: White or almost white, fine, light, amorphous powder.Solubility: Practically insoluble in water and in organic solvents.
IDENTIFICATIONA. Transfer 1.0 g to a 100 mL beaker and add 10 mL of dilute hydrochloric acid. Mix, cover with a watch glass and boil for 15 min. Allow to cool to room temperature, mix and centrifuge the solution. 2 mL of the supernatant gives the reaction of aluminium.B. 2 mL of the supernatant obtained in identification test A gives reaction of sodium.C. 0.2 g gives the reaction of silicates.
TESTSpH: 9.5 to 11.5.Disperse 5.0 g in 100 mL of carbon dioxide-free water.Arsenic: Maximum 3 ppm.Lead: Maximum 5 ppm.Atomic absorption spectrometry: To pass the test.Loss on drying: Maximum 8.0 per cent, determined on 1.000 g by drying in an oven at 105C for 4 h.Loss on ignition: 5.0 per cent to 11.0 per cent (dried substance), determined on 1.000 g by ignition in a platinum crucible to constant mass at 1000 ± 25C.Microbial contamination:TAMC: acceptance criterion 1000 CFU/g.TYMC: acceptance criterion 100 CFU/g.Absence of Escherichia coli.
Synonyms: Sodium aluminosilicate or Sodium silicoaluminate or Sodium aluminium silicate or Aluminum sodium silicateCAS Number: 1344-00-9, Molecular Weight: ----, Chemical Formula: ----, EINECS EC Number: 215-684-8, FEMA: ----,
Specifications of Aluminium Sodium Silicate BP Ph Eur Grade:
DEFINITIONSilicic acid aluminium sodium salt of synthetic origin.Content:- aluminium (Al; Mr 26.98): 2.7 per cent to 7.9 per cent (dried substance);- sodium (Na; Mr 22.99): 3.7 per cent to 6.3 per cent (dried substance).
CHARACTERSAppearance: White or almost white, fine, light, amorphous powder.Solubility: Practically insoluble in water and in organic solvents.
IDENTIFICATIONA. Transfer 1.0 g to a 100 mL beaker and add 10 mL of dilute hydrochloric acid. Mix, cover with a watch glass and boil for 15 min. Allow to cool to room temperature, mix and centrifuge the solution. 2 mL of the supernatant gives the reaction of aluminium.B. 2 mL of the supernatant obtained in identification test A gives reaction of sodium.C. 0.2 g gives the reaction of silicates.
TESTSpH: 9.5 to 11.5.Disperse 5.0 g in 100 mL of carbon dioxide-free water.Arsenic: Maximum 3 ppm.Lead: Maximum 5 ppm.Atomic absorption spectrometry: To pass the test.Loss on drying: Maximum 8.0 per cent, determined on 1.000 g by drying in an oven at 105C for 4 h.Loss on ignition: 5.0 per cent to 11.0 per cent (dried substance), determined on 1.000 g by ignition in a platinum crucible to constant mass at 1000 ± 25C.Microbial contamination:TAMC: acceptance criterion 1000 CFU/g.TYMC: acceptance criterion 100 CFU/g.Absence of Escherichia coli.
Synonyms: Soda LimeCAS Number: 8006-28-8, Molecular Weight: ----, Chemical Formula: ----, EINECS EC Number: ----, FEMA: ----,
Soda lime is generally a white to grayish white colored solid. Soda lime is a mixture of NaOH, KOH & CaO chemicals, used in granular form in closed breathing environments, such as general anaesthesia, submarines, rebreathers and recompression chambers, to remove carbon dioxide from breathing gases to prevent CO2 retention and carbon dioxide poisoning. It is also used in industries for absorption of moisture and carbondioxide. It is used in laboratories as a drying agent. The important part in Soda lime is its size. It may be specified as around 2 mm or 3mm or 4mm granules. We can offer it in any size as required by the buyer. Pharmacopoeia specifications of Soda-lime are lenient about its water content, though Analytical Reagent specifications put it at lower level. For general use we will recommend around 2mm or 3mm size hard granules of low moisture content.
Soda Lime Analytical Reagent SpecificationsCAS Number 8006-28-8NOTE. Soda lime is a mixture of variable proportions of sodium hydroxide with calcium oxide or hydroxide. This reagent may or may not include an indicator.
REQUIREMENTSCarbon dioxide absorption capacity: 19.0%
MAXIMUM ALLOWABLELoss on drying at 200C: 7%Fines: 1%
Synonyms: Soda LimeCAS Number: 8006-28-8, Molecular Weight: ----, Chemical Formula: ----, EINECS EC Number: ----, FEMA: ----,
Soda lime is generally a white to grayish white colored solid. Soda lime is a mixture of NaOH, KOH & CaO chemicals, used in granular form in closed breathing environments, such as general anaesthesia, submarines, rebreathers and recompression chambers, to remove carbon dioxide from breathing gases to prevent CO2 retention and carbon dioxide poisoning. It is also used in industries for absorption of moisture and carbondioxide. It is used in laboratories as a drying agent. The important part in Soda lime is its size. It may be specified as around 2 mm or 3mm or 4mm granules. We can offer it in any size as required by the buyer. Pharmacopoeia specifications of Soda-lime are lenient about its water content, though Analytical Reagent specifications put it at lower level. For general use we will recommend around 2mm or 3mm size hard granules of low moisture content.
Soda Lime Analytical Reagent SpecificationsCAS Number 8006-28-8NOTE. Soda lime is a mixture of variable proportions of sodium hydroxide with calcium oxide or hydroxide. This reagent may or may not include an indicator.
REQUIREMENTSCarbon dioxide absorption capacity: 19.0%
MAXIMUM ALLOWABLELoss on drying at 200C: 7%Fines: 1%
Synonyms: Selenium sulphideCAS Number: 7488-56-4, Molecular Weight: 143.09, Chemical Formula: SeS2, EINECS EC Number: 231-303-8, FEMA: ----,
Selenium Sulfide USP Grade SpecificationsSeS2 143.09 -- CAS 7488-56-4.
Selenium Sulfide contains not less than 52.0 percent and not more than 55.5 percent of selenium (Se).
Identification:A: Filter 20 mL of the solution of Selenium Sulfide prepared as directed in the Assay, and to 10 mL of the filtrate add 5 mL of water and 5 g of urea. Heat to boiling, cool, and add 2 mL of potassium iodide solution (1 in 10): a yellowish orange to orange color is produced, and it darkens rapidly (presence of selenium).B: Allow the solution obtained in Identification test A to stand for 10 minutes, filter, and to the filtrate add 10 mL of barium chloride: the solution becomes turbid (presence of sulfur).
Synonyms: Selenium sulphideCAS Number: 7488-56-4, Molecular Weight: 143.09, Chemical Formula: SeS2, EINECS EC Number: 231-303-8, FEMA: ----,
Selenium Sulfide USP Grade SpecificationsSeS2 143.09 -- CAS 7488-56-4.
Selenium Sulfide contains not less than 52.0 percent and not more than 55.5 percent of selenium (Se).
Identification:A: Filter 20 mL of the solution of Selenium Sulfide prepared as directed in the Assay, and to 10 mL of the filtrate add 5 mL of water and 5 g of urea. Heat to boiling, cool, and add 2 mL of potassium iodide solution (1 in 10): a yellowish orange to orange color is produced, and it darkens rapidly (presence of selenium).B: Allow the solution obtained in Identification test A to stand for 10 minutes, filter, and to the filtrate add 10 mL of barium chloride: the solution becomes turbid (presence of sulfur).
Synonyms: Salicylic Acid or 2-Hydroxybenzoic Acid or 2-Hydroxybenzenecarboxylic acidCAS Number: 69-72-7, Molecular Weight: 138.12, Chemical Formula: C7H6O3, EINECS EC Number: 200-712-3, FEMA: ----,
Salicylic acid is used in the production of other pharmaceuticals. Salicylic acid as a medication is used most commonly to help remove the outer layer of the skin. As such, it is used to treat warts, psoriasis, acne vulgaris, ringworm, dandruff, and ichthyosis. Salicylic acid is also used as a food preservative, bactericide, and an antiseptic.
Salicylic Acid BP Ph Eur Specifications:C7H6O3 --- 138.1 --- CAS 69-72-7Action and use: Keratolytic.
DEFINITION2-Hydroxybenzenecarboxylic acid.Content: 99.0 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline powder or white or colourless, acicular crystals.Solubility: Slightly soluble in water, freely soluble in ethanol (96 per cent), sparingly soluble in methylene chloride.
IDENTIFICATIONFirst identification: A, BSecond identification: A, CA. Melting point: 158C to 161C.B. Infrared absorption spectrophotometryC. Dissolve about 30 mg in 5 mL of 0.05 M sodium hydroxide, neutralise if necessary and dilute to 20 mL with water. 1 mL of the solution gives reaction (a) of salicylates.
Synonyms: Salicylic Acid or 2-Hydroxybenzoic Acid or 2-Hydroxybenzenecarboxylic acidCAS Number: 69-72-7, Molecular Weight: 138.12, Chemical Formula: C7H6O3, EINECS EC Number: 200-712-3, FEMA: ----,
Salicylic acid is used in the production of other pharmaceuticals. Salicylic acid as a medication is used most commonly to help remove the outer layer of the skin. As such, it is used to treat warts, psoriasis, acne vulgaris, ringworm, dandruff, and ichthyosis. Salicylic acid is also used as a food preservative, bactericide, and an antiseptic.
Salicylic Acid BP Ph Eur Specifications:C7H6O3 --- 138.1 --- CAS 69-72-7Action and use: Keratolytic.
DEFINITION2-Hydroxybenzenecarboxylic acid.Content: 99.0 per cent to 100.5 per cent (dried substance).
CHARACTERSAppearance: White or almost white, crystalline powder or white or colourless, acicular crystals.Solubility: Slightly soluble in water, freely soluble in ethanol (96 per cent), sparingly soluble in methylene chloride.
IDENTIFICATIONFirst identification: A, BSecond identification: A, CA. Melting point: 158C to 161C.B. Infrared absorption spectrophotometryC. Dissolve about 30 mg in 5 mL of 0.05 M sodium hydroxide, neutralise if necessary and dilute to 20 mL with water. 1 mL of the solution gives reaction (a) of salicylates.
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