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CAS Registry Number

CAS 16731-55-8 — Potassium metabisulfite

CAS 16731-55-8 K2S2O5 MW 222.32

Potassium metabisulfite is a white crystalline powder used as a preservative and antioxidant in food, wine, and pharmaceuticals. It is also employed in chemical synthesis and water treatment. Available in 1 kg, 5 kg, and 25 kg packaging, it has a CAS number of 16731-55-8, molecular formula K2S2O5, and molecular weight of 222.32 g/mol. Store at ambient temperatures. Signal word: Danger. Molekula supplies Potassium metabisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

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Molekula products for CAS 16731-55-8

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.

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