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Sodium dithionite

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  Post Date: May 21,2015
  Expiry Date: Nov 17,2015
  Detailed Description: Cas No. :7775-14-6

Property : white crystal powder,relative density is 2.3~2.4, very easy to dissolve in water;hard to dissolve in alcohols. It can beoxidated into Sodium bisulfite and Sodium bisulfate.
Molecular Formula : Na2S2O4
Molecule Weight : 174. 09
CAS NO .: 7775-14-6
Appearance : White Free Flowing Crystal Powder

Specification :

Item
Quality Index
Purity
90% min
88% min
85% min
Zinc ( Zn) :
0.0001% max
0.0001% max
0.0001% max
Heavy metals ( As Pb)
0.0001% max
0.0001% max
0.0001% max
Iron (Fe)
0.002% max
0.002% max
0.002% max
Water insolubles
0.05% max
0.05% max
0.05% max
  Application: Used in paper pulp industry, Printing and dyeing industry, Textile industry, Porcelain clay processing and other industry.  
Packing: Packed in 50kg iron drum, inside liner double-layer polyethylene bag.
 

Storage: store in dry, airproof and low temperature condition

  CAS Registry Number:

7775-14-6
  Synonyms: ;Sodium dithionite hydrate;Sodium hydrosulphite;Sodium dithionite;disodium dithionite;
  Molecular Formula: Na2O4S2
  Molecular Weight: 174.1071
  Molecular Structure: 7775-14-6 Sodium hydrosulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R31:;
R7:;
  Safety Description: S26:;
S28A:;
S43E:;
S7/8:;

  Company: Qingdao Jiaozi International Trade Co., Ltd.     [ China ]        
  Contact: Dora
  Tel: 0536-8256719
  Fax: 0536-8256716
  Email: dora@jiaozichem.com
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