Sodium dithionite Chemical Properties
Melting point 300 °C
Boiling point 1390°C
density 2.13
Fp >100°C
storage temp. Store at RT.
solubility 250 g/L (20°C)
form Powder/Solid
color White
PH 5.5-8.5 (50g/l, H2O, 20℃)
Water Solubility 250 g/L (20 ºC)
Sensitive Moisture Sensitive
Merck 14,8626
Stability: Stable, but air sensitive. Incompatible with strong acids, strong oxidizing agents, water, moisture.
CAS DataBase Reference 7775-14-6(CAS DataBase Reference)
EPA Substance Registry System Sodium hydrosulfite (7775-14-6)
Safety Information
Hazard Codes Xn
Risk Statements 7-22-31
Safety Statements 26-28-43-7/8-43E-28A
RIDADR UN 1384 4.2/PG 2
WGK Germany 1
F 1-10
Autoignition Temperature >200 °C
TSCA Yes
HazardClass 4.2
PackingGroup II
HS Code 28311010
Hazardous Substances Data 7775-14-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2500 mg/kg
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