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Potassium Metabisulfite

Test Specification...BP
Characters It occurs as white or almost white powder, or colourless crystals.
Identification Test (A) Test (B) Test (C)
  1. pH- Between 3.0 to 4.5
  2. It gives reaction of sulfates
  3. It gives reaction of Potassium
Solubility Freely soluble in water, slightly soluble in ethanol (96%).
Appearance of solution Solution is clear and colorless
pH Between 3.0 to 4.5
Thiosulfates Specified Test
Iron Not more than 10ppm
Selenium Not more than 10ppm
Zinc Not more than 25ppm
Assay Not less than 95.0 % and Not more than 101.0 %
Test Specification...FCC
Characters It occurs as white or colorless, free flowing crystals, crystalline powder, or granules
Identification Test (A) 1:10 aqueous solution gives positive tests for Potassium and for Sulfite
Solubility It is soluble in water, but it is insoluble in alcohol.
Lead Not more than 2 mg/kg
Iron Not more than 10 mg/kg
Selenium Not more than 5 mg/kg.
Assay Not less than 90.0% of K2S2O5

Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.

Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.

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