Sodium Hydrosulfite

• Category :

  Inorganic chemicals

• Synonyms :

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

• CAS NO :

  7775-14-6

• EC NO :

  231-890-0

• Molecular Formula :

  Na₂O₄S₂

• Molecular Weight :

  174.1071

• Main Specifications :

  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: 174.11

  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.

• Molecular Structure :