Sodium Thiosulfate

Other Names:

Sodium hyposulfite

General Information:

Structure:

CAS Number: 7772-98-7 (anhydrous)

10102-17-7 (pentahydrate)

Molecular Weight: 158.11 g/mol (anhydrous)

248.18 g/mol (pentahydrate)

Chemical Formula: Na2S2O3 (anhydrous)

Na2S2O3-5H2O (pentahydrate)

- Aqueous Na2S2O3 is often used as a reducing agent for certain workups

1) Wikipedia: Sodium thiosulfate (link)

2) www.sigmaaldrich.com: Sodium thiosulfate (link )