CAS Registry Number

CAS 7681-57-4 — Sodium metabisulfite

CAS 7681-57-4 Na2O5S2 MW 190.11

Sodium metabisulfite is a white crystalline powder used as a reducing agent, preservative, and antioxidant in food, pharmaceuticals, and industrial processes. It is also employed in photographic chemicals and water treatment. CAS: 7681-57-4, Molecular Formula: Na2O5S2, Molecular Weight: 190.11 g/mol, Storage: Ambient, Signal Word: Danger. Molekula supplies Sodium metabisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Sodium metabisulfite EP Grade

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Molekula products for CAS 7681-57-4

Sodium metabisulfite

SKU 33231649

In stock Inorganic Chemicals

Sodium metabisulfite EP Grade

SKU 90035640

Made to order Inorganic Chemicals

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.