SODIUM METABISULPHITE

• Post Date:

  Sep 04,2016

• Expiry Date:

  Mar 03,2017

• Detailed Description:

  Cas No. :7681-57-4

  Sodium metabisulphite
  Molecular formula :Na₂S₂O₅  
  Molecular weight : 190.10 
  CAS NUMBER: 7681-57-4
  
  Appearance :
  white or light yellow crystalline powder , 
  relative density is 1.4 . 
  Uses: It can be used as the material of medicine, or 
  used as curing agent of rubber; It also can be used
  as dechlorinating agent and scouring agent of textile; 
  It also can be used in the process of leather Moreover,
  it can be used as the material of fine chemicals, or 
  used as developer; In food industry, It can be used 
  as bleaching agent, loosening agent, antisepsis 
  bactericide and antioxygen antistaling agent. 

  Item	Company standard
  Assay ( as Na2S2O5 ) % ≥	97.0
  Fe % ≤	0.005
  SO2 ≥	65
  Heavy metal (Pb)% ≤	0.001
  As % ≤	0.0002

   

  
  Packing : External packing is PP woven bag, Internal packing is PE bag, the thickness ≥0.05mm.
  Storage & defence: Stored in cool and dry place, avoid moisture and heat. No breakage, No 
  mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It 
  should be transported by clean car, with covering matter, avoid raining. 
  Netwt. : 25kg, 50kg, 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:

  Changsha Green Mountain Chemical Co., Ltd.     [ China ]        

• Contact:

  Mr Chen

• Tel:

  86-731-84423162,84424162, 8442

• Fax:

  86-731-84429162

• Email:

  sales@maychemis.com