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Potassium Ascorbate

CAS No.: 15421-15-5
Molecular Weight: 214.21 g/mol
Chemical Formula C6H7KO6

Potassium ascorbate is a compound with formula KC6H7O6. It is the potassium salt of ascorbic acid (vitamin C) and a mineral ascorbate. As a food additive, it has E number E303, INS number 202. It is an antioxidant. Potassium ascorbate is a less acidic form of vitamin C than ascorbic acid. Potassium ascorbate has benefits of both potassium and vitamin C. These benefits include antioxidant activity, collagen production, healthy circulation and heart health support.

Specifications of Potassium ascorbate:
Appearance: Off white to yellow powder
Water content: 15% maximum.
Arsenic: 1 ppm maximum.
Cadmium: 1 ppm maximum.
Mercury: 1 ppm maximum.
Lead: 5 ppm maximum.
Assay as - Potassium: 14.8% - 16.4%
Assay as - Ascorbic acid on anhydrous basis: 60% minimum
Assay as - Potassium Ascorbate (C6 H7O6 K. 2H2O): 95% to 105%
Total plate count: Not more than 3000 cfu/ g.
Yeast & mould: Not more than 100 cfu/g.
E. coli: To be absent.
Salmonella: To be absent.