Sodium metabisulfite (industrial grade)

• Post Date:

  Jul 03,2017

• Expiry Date:

  Dec 30,2017

• Detailed Description:

  Cas No. :7681-57-4

  Molecular formula: Na₂S₂O₅

  Molecular weight: 190.10

  Appearance: white or yellowish crystalline powder

  Quality standard: HG/T 2826-2008

  Item	High-rate	First-rate
  Content(as Na2S2O5  ) %≥	96.5	95.0
  Iron(as Fe)%≤	0.005	0.010
  Water-insoluble %≤	0.05	0.05
  Arsenic(as As)%≤	0.0001

  Uses: 
  Mordant in painting and dyeing;  
  Antichlor after bleaching;
  Reducing agent and sulfonating agent for chemical and pharmaceutical industries;
  Bleaching agent for bamboo, wood and paper fiber;  
  Dressing agent for non-ferrous metal;  
  Waste water treatment agent;  
  Rubber coagulant
  Packing: PP woven bag outside, PVC plastic bag inside.

• 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:

  Shouguang Bule Ribbon Chemical Co., Ltd     [ China ]        

• Contact:

  18053640999

• Tel:

  0536-8061689 18053640999

• Fax:

  0536-8061689

• Email:

  sales@lanbangchem.com