CAS Registry Number

CAS 7631-90-5 — Sodium bisulfite (Sodium hydrogen sulfite)

CAS 7631-90-5 NaHSO3 MW 104.06

Sodium bisulfite is a white crystalline powder used as a reducing agent, preservative, and antioxidant in pharmaceuticals, food, and industrial processes. It is also employed in photographic chemicals and water treatment. Available in 1 kg, 5 kg, and 25 kg packaging, it has a molecular formula of NaHSO3, molecular weight of 104.06 g/mol, and CAS number 7631-90-5. Store at ambient temperature. Molekula supplies Sodium bisulfite from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Also known as: Sodium bisulfite (Sodium hydrogen sulfite) 38% aqueous solution · Sodium bisulfite (Sodium hydrogen sulfite) 40% in aq. solution

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Molekula products for CAS 7631-90-5

Sodium bisulfite (Sodium hydrogen sulfite)

SKU 10878741

In stock Biochemicals

Sodium bisulfite (Sodium hydrogen sulfite) 38% aqueous solution

SKU 90037466

Made to order Uncategorised

Sodium bisulfite (Sodium hydrogen sulfite) 40% in aq. solution

SKU 90030773

Made to order

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.