Synonyms: Sodium disulfite; Sodium pyrosulfite
Molecular Formula: Na2O5S2
Molecular Weight: 190.11
Linear Structural Formula: Na2S2O5
MDL Number: MFCD00167602
Purity: >=99%
Melting Point: >300 C (lit.)
Legal Information: Redi-Dri is a trademark of Sigma-Aldrich Co. LLC
Other Notes: As a solid, this product is sodium metabisulfite, Na2S2O5. Dissolved in water, it yields NaHSO3.