Sodium Hydrosulfite 7775-14-6

Category :

Inorganic chemicals

CAS NO :

7775-14-6

EC NO :

231-890-0

MF :

Na₂O₄S₂

MW :

174.1071

Specification :

85/88/90%

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: 174.11

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.

Synonyms :

Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite;

Molecular Structure :

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Sodium Hydrosulfite

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