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Sodium Hydrosulfite Structure

Sodium Hydrosulfite

Chemical Properties

Melting point 300 °C
Boiling point 1390°C
Density  2.13
Flash point >100°C
storage temp.  Store at +5°C to +30°C.
solubility  250 g/L (20°C)
form  Powder/Solid
color  White
Odor None or slight scent of sulfur dioxide
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.
LogP -2.756 (est)
CAS DataBase Reference 7775-14-6(CAS DataBase Reference)
Substances Added to Food (formerly EAFUS) SODIUM HYDROSULFITE
SCOGS (Select Committee on GRAS Substances) Sodium hydrosulfite (packaging)
FDA 21 CFR 177.2800; 182.90
EWG's Food Scores 1
FDA UNII 2K5B8F6ES1
EPA Substance Registry System Sodium hydrosulfite (7775-14-6)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H251-H302-H319
Precautionary statements P235-P264-P270-P280-P301+P312-P305+P351+P338
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
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
NFPA 704:
1
2 2

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Sodium Hydrosulfite Chemical Properties,Usage,Production

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