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 saltMolecular formula: Na2S2O4
Molecuar weight: 174.11
Hazardous material composition:CAS No.
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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