Details for Sodium Hydrosulfite
Sodium Hydrosulfite
Category: Inorganic chemicals
CAS NO: 7775-14-6 EC NO: 231-890-0 Molecular Formula: Na2O4S2 Molecular Weight: 174.1071 Specification: 85/88/90% InChI: InChI=1/2Na.H2O4S2/c;;1-5(2)6(3)4/h;;(H,1,2)(H,3,4)/q2*+1;/p-2 Packing: 50KG Drum 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: 174.11Hazardous 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.Synonyms: Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite; Molecular Structure: 
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