Product description:
ITEM |
CAS NO. |
UN NO./H.S CODE |
PURITY |
Hazard Class |
Molecular Formula: |
WEIGHT |
QUANTITY/20' FCL |
Sodium Hydrosulfite |
7775-14-6 |
1384/28311010 |
85/88/90% |
4.2 |
Na2S2O4 |
50KG Drum |
21.6MT |
CAS No.: 7775-14-6
Synonyms: Sodium dithionite; Dithionous acid, disodium salt
Molecuar weight: 174.11
Hazardous material composition
Appearance: white or light yellow crystalline powder-like sand.
Melting point (οC):> 300 (decomposition)
Ignition temperature(οC): 250
Solubility: not soluble in ethanol, soluble in sodium hydroxide solution. Strong reaction with water and burn.
Main purpose: printing and dyeing industry, can be used as reducing agent for vat dyes, disperse dyes can be used for reduction cleaning (two-bath), reactive dyes can be used for stripping, wire, hair bleach, also used in medicine, mineral processing, sulfur the synthesis of urea and sulfur.
INCOMPATIBILITY: Strong oxidizers, acids, flammable or combustibles.
Conditions to avoid: thermal decomposition, in the air can be oxidized.
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