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Sodium Bisulfite

Inquiry
  Post Date: Nov 18,2024
  Expiry Date: Nov 18,2025
  Detailed Description: Cas No. :7631-90-5 Quantity: 1Metric Tons
Specs:99%
Price:300 USD Metric Tons
Payment Method: TT,LC
1.Chemical and Physical Properties:
Products Name:Sodium Bisulfite
Molecular Form:NaHSO3
Molecular Weight:104.06
CAS NO.:7631-90-5
EINECS NO.:231-548-0
H.S Code:2832100000.
Sodium Bisulfite is white monoclinic crystalline powder with sulfur dioxide odor; relative density: 1.48; 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.

2.Usage:
Sodium Bisulfite is used in the bleaching of cotton textiles; as reducing agent in dyes, paper-making, leather, chemical synthesis; in the manufacture of pharmaceutical intermediates, photographic developer, food bleacher, antiseptic and anti-oxidants.

3.Specifications:
Sodium Bisulfite Standard:HG/T3814-2006
Test Item
Standard Request.
Inspect Result
Inspect Conclusion
Appearance
White crystalline powder
Conformed
Pass
Content (NaHSO3) %
≥99%
99.1%
Pass
SO2%
64%-67%
65%
Pass
Cl%
0.05
0.03
Pass
Fe%
≤0.004%
0.002%
Pass
Water Insoluble Matter%
≤0.03%
0.01%
Pass
Heavy metal (Pb)%
≤0.001%
0.0005%
Pass
As%
≤0.0002%
<0.0001%
Pass
PH
4.0-5.0
4.3
Pass

4.Packing Details:
Sodium Bisulfite will be packed in N.W25kg plastic woven bag lined with PE liner,or 500kg/1000kg/1100kg/1200kg jumbo bag.
20MT-25MT will be loaded in 1*20’FCL container.

5.Storage:
Sodium Bisulfite should be stored in cool and dry place, avoid moisture and heat. No breakage, No mixed with oxidant and toxic matter. The storage period is 6 month since the production date. It should be transported by clean car, with covering matter, avoid raining.

  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: Tianjin Xinxin Biotechnology Research and Development Center     [ China ]          
  Contact: Richard Cao
  Tel: 0086-15202298304,22-86399960
  Fax: 0086-22-86399961
  Email: xinxin01@znso4.com
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