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Potassium Metabisulphite USP BP FCC Food Grade Manufacturers
Anmol Chemicals Group, established in 1976, is the pioneer manufacturer of Specialty chemicals, Pharmaceutical Excipients, Fragrance & Flavor chemicals in India. Anmol Chemicals Group has manufacturing facilities spread across Western India, representatives in Houston Chicago USA, Dubai and UAE. We also have toll manufacturing units for processing chemicals in a few countries around the world. We make IP, BP, USP, Ph. Eur., FCC or Food Grade, Analytical Reagent Grade, LR or Laboratory Reagent Grade, Pure and Technical Grades of various chemicals. All our items are analyzed to meet the required standards. We can supply the material in grams for your laboratory trial and in tons for your plant scale jobs.
Our manufacturing facility is FDA approved and cGMP, GLP (FDA) Approved, ISO 9001, ISO 14001, ISO 17025, ISO 45001, ISO 22000, HACCP, FSSAI, FSSC 22000, Halal and Kosher certified. We are registered with "REACH" for export to European countries. Solid materials can be customized for particle size, shape and bulk density. We observe WHO Good Manufacturing Practice and Good Laboratory Practice. We are a STAR Export House and “Authorised Economic Operator” as per Indian customs.
Potassium Metabisulphite SDS of Manufacturers
Synonyms: Potassium Metabisulfite, Potassium pyrosulfite, Potassium disulfite
CAS Number: 16731-55-8, Molecular Weight: 222.3, Chemical Formula: K2S2O5, EINECS EC Number: 240-795-3, FEMA: ----,
Potassium Metabisulfite USP
Disulfurous acid, dipotassium salt.
Dipotassium pyrosulfite [16731-55-8].
Potassium Metabisulfite contains an amount of K2S2O5 equivalent to not less than 51.8 percent and not more than 57.6 percent of SO2.
Identification— A solution (1 in 20) responds to the tests for Potassium and for Sulfite.
Iron— Dissolve 1.00 g in 14 mL of dilute hydrochloric acid (2 in 7), and evaporate on a steam bath to dryness. Dissolve the residue in 7 mL of dilute hydrochloric acid (2 in 7), and again evaporate to dryness. Dissolve the resulting residue in a mixture of 2 mL of hydrochloric acid and 20 mL of water, add 3 drops of bromine TS, and boil to expel the bromine. Cool, and dilute with water to 47 mL: the limit is 0.001%.
Heavy metals— Dissolve 2 g in 20 mL of water, add 5 mL of hydrochloric acid, evaporate on a steam bath to about 1 mL, and dissolve the residue in 25 mL of water: the limit is 0.001%.
Potassium Metabisulphite BP
K2S2O5 - 222.3 - 16731-55-8
Potassium metabisulphite (potassium disulphite).
Content: 95.0 per cent to 101.0 per cent.
Appearance : White or almost white powder, or colourless crystals.
Solubility: Freely soluble in water, slightly soluble in ethanol (96 per cent).
A. pH (see Tests).
B. To 5 ml of solution S (see Tests), add 0.5 ml of 0.05 M iodine. The mixture is colourless and gives reaction of sulphates.
C. Solution S gives reaction of potassium.
Solution S: Dissolve 5.0 g in carbon dioxide-free water R and dilute to 100 ml with the same solvent.
Appearance of solution: Solution S is clear and colourless.
pH: 3.0 to 4.5 for solution S.
Thiosulphates: To 2.00 g add 25 ml of a 42.5 g/l solution of sodium hydroxide and 75 ml of water. Shake until dissolved and add 10 ml of formaldehyde and 10 ml of acetic acid. After 5 min, titrate with 0.05 M iodine using 1 ml of starch solution. Carry out a blank titration. The difference between the volumes consumed in the 2 titrations is maximum 0.15 ml.
Iron: Maximum 10 ppm.
Selenium: Maximum 10 ppm.
Zinc: Maximum 25 ppm.
Heavy metals: Maximum 10 ppm.
Potassium Metabisulfite FCC Food Grade
K2S2O5 Formula wt 222.31
INS: 224 CAS: [16731-55-8]
Potassium Metabisulfite occurs as white or colorless, free flowing crystals, crystalline powder, or granules. It gradually oxidizes in air to the sulfate. It is soluble in water, but it is insoluble in alcohol. Its solutions are acid to litmus.
Identification: A 1:10 aqueous solution gives positive tests for Potassium and for Sulfite.
Assay: Not less than 90.0% of K2S2O5.
Lead: Not more than 2 mg/kg.
Iron: Not more than 10 mg/kg.
Selenium: Not more than 5 mg/kg.
Taloja Mumbai and Ankleshwar, INDIA
Representatives in Houston, Chicago and New York, USA
TEL: (OFF) +91 22 23726950, +91 22 23774610, +91 22 23723564
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Last updated 1-apr-21
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