Sodium metabisulfite

• Post Date:

  Nov 03,2025

• Expiry Date:

  May 02,2026

• Detailed Description:

  Cas No. :7681-57-4 Specs:Industrial grade
  

  Quality standard :

  Item	Chinese standard HG/T2826-2008		Company standard
  	Top-grade	First grade
  Main content(Na2S2O5)	≥96.5	≥95.0	≥97.0
  Fe %( Fe)	≤0.005	≤0.010	≤0.002
  Water-Insoluble	≤0.05	≤0.05	≤0.02
  Arsenic(As) content	≤0.0001	—	≤0.0001

  Net weight: 25, 50, 1000kilograms per bag or following your demands.

• CAS Registry Number:

  7681-57-4

• Synonyms:

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

• Molecular Formula:

  Na₂S₂O₅

• Molecular Weight:

  190.1065

• Molecular Structure:

• Hazard Symbols:

   Xn:Harmful;
  

• Risk Codes:

  :;
  :;
  :;
  

• Safety Description:

  :;
  :;
  :;
  

• Company:

  WeiFang Kailong Chemical Industry Co.,Ltd.     [ China ]          

• Contact:

  Mr.Jia

• Tel:

  0086-536-5317817,5302819

• Fax:

  0086-536-5339779

• Email:

  info@klong.cn