Fondland Chemicals Co., Ltd.

Industrial grade sodium sulphite

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);

• CAS NO :

  7757-83-7

• EC NO :

  231-821-4

• Molecular Formula :

  Na₂SO₃

• Molecular Weight :

  126.04

• Main Specifications :

• InChI :

  InChI=1/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2

• Product description :

  Item	specification
  Product name	Sodium sulfite
  Purity(As Na2SO3)	97%min
  Sodium sulphate ( SO4)	2.0%max
  Chlorides ( As NaCL)	0.1% max
  Heavy metals ( As Pb )	0.001%max
  Iron (Fe)	0.003% max
  Water insoluble	0.02% max
  Free alkall(as Na2CO3)	0.10%max
  Arsenic	0.0002%max

  Appearance:White crystalline powder
  Package:25 kg plastic bags
  Usage:In industry, it is mainly used for making cellulose sulfite ester, sodium thiosulfate, organic chemicals, bleached fabrics, etc., and also used as reducing agent, preservative, dechlorination agent, etc.  Printing and dyeing industry as deoxidizer and bleaching agent.  
  The food industry used as a bleaching agent, preservative, loosening agent, antioxidant, dehydrated vegetables used as a reducing agent;  

• Molecular Structure :