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Sodium sulfite

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  Post Date: Apr 17,2014
  Expiry Date: May 17,2014
  Detailed Description: Cas No. :7757-83-7
Item
Value
Top-grade
First grade
Qualified product
sodium sulfite（Na2SO3）%≥
98.0
97.0
96.0
Fe,%≤
0.003
0.003
0.005
water-Insoluble%≤
0.01
0.02
0.03
Free alkali(as Na2SO3),%≤
0.001
0.10
0.40
Sulfate(as Na2SO4),%≤
1.2
2.5
2.5
Chloride(as NaCl),%≤
0.003
0.10
0.10

  CAS Registry Number:

7757-83-7
  Synonyms: ;Sodium sulfite anhydrous;Sodium sulphite;anhydrous sodium sulfite;Sodium sulfite ,anhydrous;Sodium Sulfite (Food Grade);
  Molecular Formula: Na2SO3
  Molecular Weight: 126.04
  Molecular Structure: 7757-83-7 Sodium sulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R36/37/38:;
  Safety Description: S24/25:;

  Company: Zibo Heye Chemical Co., Ltd.     [ China ]        
  Contact: zhang
  Tel: 0533-5188093
  Fax: 0533-5176806
  Email: heyechem@hotmail.com
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