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Sodium metabisulfite (industrial grade)

Inquiry
  Post Date: Jul 06,2017
  Expiry Date: Jan 02,2018
  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: 7681-57-4 Sodium metabisulfite
  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
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