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.