Sodium metabisulfite

• Post Date:

  Nov 08,2022

• Expiry Date:

  May 07,2023

• Detailed Description:

  Cas No. :7681-57-4

  Appearance: White or yellow crystalline powder or small crystals
  Package: 25kg pp bag or 1000kg jumbo bag
  Specification :

  Specification
  Main content(Na2S2O5 %)%	≥97
  Fe%	≤0.003
  Water insoluble matter %	≤0.05
  heavy metal %	≤0.0005
  ARSENIC %	≤0.0001
  PH(5% water soluble)	4.72

  Uasge: Used in organic synthesis, printing and dyeing, printing, leather, pharmaceutical and other departments;Used as preservative in food processing, bleach, bulking agent.

• 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:

  R22:;
  R31:;
  R41:;
  

• Safety Description:

  S26:;
  S39:;
  S46:;
  

• Company:

  Fondland Chemicals Co., Ltd.     [ China ]        

• Contact:

  Wendy Yang

• Tel:

  086-536-2101388

• Fax:

  086-536-2101388

• Email:

  yaq@wffondland.com