Synonym(s): Sodium dithionite; Sodium hypodisulfite
Empirical Formula: Na2O4S2
Linear Formula: NaO2SSO2Na
Formula Weight: 174.11
MDL Number: MFCD00011640
Purity: ≥82% (RT)
Safety Statements (Europe): 7/8-26-28-43
Signal Word: Danger
Hazard statements: H251-H302
Precautionary statements: P235 + P410
Supplemental Hazard Statements: Contact with acids liberates toxic gas.