China-cas no.: 7681-57-4

• Post Date:

  Dec 01,2021

• Expiry Date:

  May 30,2022

• Detailed Description:

  Cas No. :7681-57-4 Quantity: 1000Metric Tons
  Specs:96.5%;95.0%
  Payment Method: TT/LC
  Product name: sodium metabisulfite
  EINECS No.: 231-673-0
  Molecular formula: Na2S2O5
  Molecular weight: 190.10
  Appearance: white or slight yellow crystalline powder
  Quality standard: HG/T 2826-2008
  
  Uses:
  Printing and dyeing mordant;
  dechlorination agent of fabric after bleaching;
  Chemical, pharmaceutical reductant and sulfonating agent;
  bleaching agent of Bamboo, wood, paper fiber;
  dressing agent of Non-ferrous metal;
  Wastewater treatment;
  Rubber curing agent
  Packing: PE bag lined PP woven bag.
  Net wt: 25, 50, 1000kg/bag.

• 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:

  Quzhou Derui Chemical Co.,ltd     [ China ]        

• Contact:

  Li

• Tel:

  0571-85109699

• Fax:

• Email:

  sales@nengfabiopharm.com