Liquid Sulfur Dioxide( Sulphur Dioxide)| CAS No. 7446-09-5

Liquid Sulfur Dioxide( Sulphur Dioxide)| CAS No. 7446-09-5

  • CAS No.: 7446-09-5
  • Type.: Industrial Grade/Food Grade
  • Appearance: Liquid
  • Molecular Formula: SO2
  • Shelf Life: --
  • Min Order Quantity: As Requirement
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Item Standard (GB/T3637-2021)
Standard Requirement Test Result Inspect Conclusion
Appearance Colorless transparent liquid
SO2 Purity, %≥ 99.90 99.97 Qualified
Ignition Residue, %≤ 0.040 0.008 Qualified
Moisture, %≤ 0.060 0.024 Qualified
General Conclusion Accord with GB/T3637-2021 B Grade product standard requirements.
Sulfur Dioxide( Sulphur Dioxide) is used as a bleaching, fumigating agent, antiseptic, disinfectant and reducing agent.

As a disinfectant, Sulfur Dioxide is used for treating wood pulp for manufacturing paper, inmetal refining, for preserving food and vegetables, and as a reducing agent. 

Sulfur Dioxide also used for:
· Preserving fruits, vegetables, etc.; 
· disinfectant in breweries and food factories; 
· bleaching textile fibers, straw, wicker ware, gelatin, glue, beet sugars. 
· Solvent and reagent in organic synthesis.
· Intermediate in the manufacture of sulfuric acid and sulfite pulp; 
· casting of nonferrous metal; 
· used in the food industry as a biocide and a preservative. Sulfur Dioxide also inhibits bacterial growth. Sulfur Dioxide is used in beverages, cherries, wines, and fruits.
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