PharmaceuticalsMineral FortifiersSpeciality ChemicalsCOA Potassium Metabisulfite USP


COA Potassium Metabisulfite USP

Test Specification
Characters It occurs as a white or colorless, free flowing crystals, crystalline powder or granules, usually having an odor of sulfur dioxide.

Test (A)


(a)A solution (1 in 20) responds to the test for potassium and for sulfite

Solubility Soluble in water; insoluble in alcohol
Iron Not more than 10ppm
Heavy metals Not more than 10ppm
Residual solvents Meets the requirements
Assay (as SO2) Not less than 51.8% and not more than 57.6% of SO2

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.


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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