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SODIUM METABISULPHITE

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  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: 7681-57-4 Sodium metabisulfite
  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
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