PharmaceuticalsMineral FortifiersSpeciality ChemicalsCOA Potassium Metabisulfite BP


COA Potassium Metabisulfite BP

Test Specifications
Characters It occurs as White or almost white powder, or colorless crystals.

Test A

Test B

Test C


(a) pH Test

(b) The mixture is colorless and gives reaction of sulfates

(c) Solution S gives reaction of potassium

Solubility Freely soluble in water, slightly soluble in ethanol (96 per cent).
pH Between 3.0 to 4.5
Thiosulfates Not more than 0.15 ML.
Iron Not more than 10 ppm
Selenium Not more than 10 ppm
Zinc Not more than 25 ppm
Assay Not less than 95.0% to not more than 101.0 %

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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