Synonym: Sodium hydrosulfite
Formula: Na2S2O4
Molecular weight: 174.11 g/mol
CAS Number: 7775-14-6
CE Number: 231-890-0
Specification:
Appearance: white powder
Minimum purity: 85%
Melting point: decomposition
Flash point: >100°C
Density: 2, 500 g/cm3 at 20°C
Solubility in H2O: 250 g/L (20°C)
