CAS No.:7775-14-6

EINECS:231-890-0

Molecular Formula: Na2S2O4

Synonyms:Sodium dithionite hydrate; Sodium hydrosulphite; Sodium dithionite

Appearance:White solid

Molecular Weight:174.1

Density:2.13

Boiling Point:1390°C

Melting Point:300℃(dec.)

Solubility:250 g/L (20 oC) in water

Stability:Stable, but air sensitive. Incompatible with strong acids, strong oxidizing agents, water, moisture.

Hazard Class: 4.2