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Sodium Alginate Specifications of Commercial Pure & BP Ph Eur USP NF IP Analytical Reagent FCC Food Grade Manufacturers & Exporters Please visit Sodium Alginate USP NF ACS BP Ph Eur EP JP IP Analytical reagent FCC Food grade Manufacturers our associates world class FDA-GMP approved, ISO-9001 Certified facility Anmol Chemicals Sodium Alginate CAS Number 9005-38-3 Sodium Alginate USP NF Grade Specifications: (C6H7NaO6)n Alginic acid, sodium salt; Sodium alginate CAS 9005-38-3 DEFINITION Sodium Alginate is the purified carbohydrate product extracted from brown seaweeds by the use of dilute alkali. It consists chiefly of the sodium salt of Alginic Acid, a polyuronic acid composed of β-d-mannuronic acid residues linked so that the carboxyl group of each unit is free while the aldehyde group is shielded by a glycosidic linkage. It contains NLT 90.8% and NMT 106.0% of sodium alginate of average equivalent weight 222.00, calculated on the dried basis. IDENTIFICATION A. Sample solution: A solution (1 in 100) Analysis: To 5 mL of Sample solution add 1 mL of calcium chloride. Acceptance criteria: A voluminous, gelatinous precipitate is formed immediately. B. Sample solution: A solution (1 in 100) Analysis: To 10 mL of Sample solution add 1 mL of 4 N sulfuric acid. Acceptance criteria: A heavy, gelatinous precipitate is formed. ASSAY Alginates by specified procedure. Sample: 250 mg Analysis: Each mL of 0.2500 N sodium hydroxide consumed is equivalent to 27.75 mg of sodium alginate. Acceptance criteria: 90.8% to 106.0% on the dried basis Arsenic: NMT 1.5 ppm Lead: To pass the test. --- NMT 10 ppm) Microbial Enumeration Tests and Tests for Specified Microorganisms: The total bacterial count does not exceed 200 cfu/g, and the tests for Salmonella species and Escherichia coli are negative. Loss on Drying: Dry a sample at 105C for 4 h: it loses NMT 15.0% of its weight. Articles for Botanical Origin: Proceed as directed in Methods of Analysis, carefully igniting 3 g in a tared platinum dish, until the residue is thoroughly carbonized (5 min), and then igniting in a muffle furnace at a temperature of 800±25C until the carbon is completely burned off (approximately 75 min). Acceptance criteria: 18.0% to 27.0% of ash on the dried basis Packaging and Storage: Preserve in tight containers. Specifications of Sodium Alginate BP Ph Eur Grade Ph Eur Action and use: Excipient. DEFINITION Sodium alginate consists mainly of the sodium salt of alginic acid, which is a mixture of polyuronic acids [C6H8O6)n] composed of residues of D-mannuronic acid and L-guluronic acid. Sodium alginate is obtained mainly from algae belonging to the Phaeophyceae. CHARACTERS Appearance: White or pale yellowish-brown powder. Solubility: Slowly soluble in water forming a viscous, colloidal solution, practically insoluble in ethanol (96 per cent). IDENTIFICATION A. Dissolve 0.2 g with shaking in 20 ml of water. To 5 ml of this solution add 1 ml of calcium chloride solution. A voluminous gelatinous mass is formed. B. To 10 ml of the solution prepared in identification test A add 1 ml of dilute sulphuric acid. A gelatinous mass is formed. C. To 5 mg add 5 ml of water, 1 ml of a freshly prepared 10 g/l solution of 1,3-dihydroxynaphthalene in ethanol (96 per cent) and 5 ml of hydrochloric acid. Boil for 3 min, cool, add 5 ml of water, and shake with 15 ml of di-isopropyl ether. Carry out a blank test. The upper layer obtained with the substance to be examined exhibits a deeper bluish-red colour than that obtained with the blank. D. It complies with the test for sulphated ash. The residue obtained, dissolved in 2 ml of water, gives reaction (a) of sodium. TESTS Solution S: Dissolve 0.10 g in water, with constant stirring, dilute to 30 ml with the same solvent and allow to stand for 1 h. Appearance of solution: The solution is not more opalescent than reference and not more intensely coloured than intensity 6 of the range of reference solutions of the most appropriate colour. Dilute 1 ml of solution S to 10 ml with water R. Chlorides: Maximum 1.0 per cent. Calcium: Maximum 1.50 per cent. Heavy metals: Maximum 20 ppm. Loss on drying: Maximum 15.0 per cent, determined on 0.1000 g by drying in an oven at 105C for 4 h. Sulphated ash: 30.0 per cent to 36.0 per cent (dried substance), determined on 0.1000 g. Microbial contamination: Total viable aerobic count not more than 103 micro-organisms per gram, determined by plate-count. It complies with the tests for Escherichia coli and Salmonella. Specifications of Sodium Alginate FCC Food Grade Algin (C6H7O6Na)n Equiv wt, calculated 198.11 Equiv weight, actual (avg.) 222.00 INS: 401 CAS: 9005-38-3 DESCRIPTION Sodium Alginate occurs as a white to yellow-brown, fibrous or granular powder. It is the sodium salt of alginic acid. It dissolves in water to form a viscous, colloidal solution. It is insoluble in alcohol and in hydroalcoholic solutions in which the alcohol content is greater than about 30% by weight. It is insoluble in chloroform, in ether, and in acids having a pH lower than about 3. Function: Stabilizer; thickener; emulsifier; gelling agent. REQUIREMENTS Identification: - A. Add 1 mL of calcium chloride to 5 mL of a 1:100 aqueous solution. A voluminous, gelatinous precipitate forms. B. Add 1 mL of 2 N sulfuric acid to 10 mL of a 1:100 aqueous solution. A heavy, gelatinous precipitate forms. C. Place about 5 mg of sample into a test tube, add 5 mL of water, 1 mL of a freshly prepared 1:100 naphtholresorcinol:ethanol solution, and 5 mL of hydrochloric acid. Heat the mixture to boiling, boil gently for about 3 min, and then cool to about 15C. Transfer the contents of the test tube to a 30-mL separator with the aid of 5 mL of water, and extract with 15 mL of isopropyl ether. Perform a blank determination and make any necessary correction. The isopropyl ether extract from the sample exhibits a deeper purple hue than that from the blank. Assay: A sample yields not less than 18.0% and not more than 21.0% of carbon dioxide (CO2), corresponding to between 90.8% and 106.0% of Sodium Alginate (equiv wt 222.00). Arsenic: Not more than 3 mg/kg. Lead: Not more than 5 mg/kg. Loss on Drying: Not more than 15.0%. SDS MSDS of Sodium Alginate BP Ph Eur EP JP USP NF IP ACS Analytical Reagent FCC Food grade Manufacturers

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Crystal Clear Products
Plot No-C1-1031-9, GIDC Estate, Panoli, Ankleshwar, Gujarat - 393002. India
Telephone Mobile: 91-7506449333; e-mail: info@crystalclearproducts.org

e-mail: info@crystalclearproducts.org

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