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Sodium Metabisulphite

Sodium Metabisulphite

Product Name: Sodium metabisulfite
Synonyms: Sodium pyrosulfite; disodium disulphite; Sodium metabisulphite; Sodium disulphite; Sodium pyrosulphite; SODIUM DISULFITE; disodium oxidosulfanesulfonate oxide; Sodium Metabi; Metabisulfite Sodium
CAS RN.: 7681-57-4
EINECS: 231-673-0
Molecular Weight: 190.1065
Molecular Formula: Na2S2O5
Melting Point(℃): 150℃
Water Solubility: 540 g/L (20℃)
Price :


Grade: Food grade, Industrial grade


  1. water treatment: bleach water, remove excess chlorine from drinking water, oxygen scavenger.
  2. The printing and dyeing industry: used as the dechlorination agent for cotton bleaching, and the auxiliary agent for cotton scouring.
  3. The pharmaceutical industry: used to produce chloroform, phenylsulfone and benzaldehyde.
  4. The rubber industry: used as a coagulant.
  5. Leather processing: used for leather processing, which can make leather soft, plump and tough. It has the properties of waterproof, anti-folding and wear-resisting.
  6. Chemical industry: used to produce hydroxyl vanillin, hydroxylamine hydrochloride, etc.
  7. Photosensitive industry: used as a developer.
  8. The food industry: used for bleaching agents, preservatives, loose agents, antioxidants, colorants and preservatives.

Packing: 25KG/BAG, 50KG/BAG, 1000KG/BAG

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