Changsha Hecom Chemical Co., Ltd.

Sodium Metabisulphite

• Category :

  Inorganic chemicals

• Synonyms :

  Sodium pyrosulfite;disodium disulphite;Sodium metabisulphite;Sodium disulphite;Sodium pyrosulphite;SODIUM DISULFITE;disodium oxidosulfanesulfonate oxide;Sodium Metabi;Metabisulfite Sodium;Sodium Metabisulfite (Food Grade);

• CAS NO :

  7681-57-4

• EC NO :

  231-673-0

• Molecular Formula :

  Na₂S₂O₅

• Molecular Weight :

  190.1065

• Main Specifications :

• InChI :

  InChI=1/2Na.H2O5S2/c;;1-6(2)7(3,4)5/h;;(H,1,2)(H,3,4,5)/q2*+1;/p-2

• Product description :

  Sodium Metabisulphite  

  MF: Na2S2O5 

  CAS No.: 7681-57-4

  Molecular: 190.12  

  Usage: dying, organic synthesis, printing, leather, pharmacy and so on

  Packaging: Net 25kgs, 50kgs plastic woven bags with inner liner

  ITEM	SPECIFICATION
  Na2S2O5	≥ 97.0%
  SO2	≥ 65.0%
  Iron (Fe)	≤ 0.005%
  insoluble in water	≤ 0.05%
  PH Value	4.0-4.6
  Arsenic (as As)	≤ 0.0001%
  Heavy metal (base on Pb)	≤ 0.001%

• Molecular Structure :