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Sodium bisulfite

Inquiry
  Post Date: Apr 21,2024
  Expiry Date: Oct 18,2024
  Detailed Description: Cas No. :7631-90-5 Specs:≥99%
Sodium bisulfite(Sodium hydrogen sulfite)
Molecular Formula: NaHSO3
Molecular Weight: 104.06
 
Properties:
　　 White monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.49; very easily soluble in water; can be decomposed when heated; slightly soluble in ethanol; aqueous solution is acidic; has strong reducing property; can be oxidized in the air or loose sulfur dioxide.
 
Quality Standard: HG/T3492-80
Technical Indicator
High-purity grade
Acrylic grade
Food grade
Refined grade
Industrial grade 1
NaHSO3 ≥ %
99.5
99
99
99
98
Insol. in water ≤ %
0.003
0.005
0.03
0.04
0.05
Chloride(Cl) ≤ %
0.003
0.004
_
_
_
Iron(Fe) ≤ %
0.001
0.002
0.005
_
_
Heavy metal(Pb)≤%
0.001
0.001
0.001
_
_
Arsenic(As) ≤ %
0.0001
0.0001
0.0001
_
_
Clarity test
Qualified
Qualified
Qualified
Qualified
Qualified
 
Use: It is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, developer, food bleacher, antiseptic and anti-oxidants.
 
Packing: In PP woven bag lined with PE bag; paper-plastic composite bag, and kraft paper bag etc.
 
Net wt.: 25/50/1000 kgs/bag or upon clients' request.

  CAS Registry Number:

7631-90-5
  Synonyms: ;Sodium hydrogen sulfite;Sodium Bisulphite;sodium hydrogen sulfate;
  Molecular Formula: NaHSO3
  Molecular Weight: 104.061
  Molecular Structure: 7631-90-5 Sodium bisulfite
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R22:;
R31:;
  Safety Description: S25:;
S46:;

  Company: WeiFang Kailong Chemical Industry Co.,Ltd.     [ China ]          
  Contact: Mr.Tian
  Tel: 0086-536-5317817/9
  Fax: 0086-536-5339779
  Email: info@klong.cn
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