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Sodium metabisulfite

Inquiry
  Post Date: Jul 21,2014
  Expiry Date: Jan 17,2015
  Detailed Description: Cas No. :7681-57-4 Specs:technical grade ，food grade

Molecular Formula: Na2S2O5

Molecular Weight: 190.10

Appearance: white or yellowish crystalline powder

Quality Standard: HG/T2826£­1998

Item

Industry standard (best quality)

Specifications

Na2S2O5 %≥

96.0

97.5

Fe %≤

0.005

0.002

Insol. in water%≤

0.05

0.02

Arsenic ≤

0.0001

0.0001


Use:

mordant; 
dechlorinating agent; 
reducing agent and sulfonating agent; 
bleaching agent for bamboo, wood, paper fiber; flotation reagent for nonferrous metals; waste water treatment chemical;

Packing:

In PP bag with PE lining

Net wt.:

25, 50, 1000kgs/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: Xinxiang City Jieshen purification Co.,Ltd.     [ China ]        
  Contact: steven
  Tel: 0373-5858028/5682599
  Fax: 0373-5682678
  Email: info@jieshenchem.com
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