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Sulfur Dioxide So2 - China

price: contact company for price

Sulfur Dioxide SO2


CAS No.: 7446-09-5
EINECS No.: 231-195-2
UN No.: UN1079
Purity: 99.9%
Dot Class: 2.3
Appearance: Colorless Liquid
Grade Standard: Industrial Grade


Precursor to sulfuric acid:
Sulfur dioxide is an intermediate in the production of sulfuric acid, being converted to sulfur trioxide, and then to oleum, which is made into sulfuric acid.

As a preservative reducing agent:
Sulfur dioxide is sometimes used as a preservative for dried apricots, dried figs, and other dried fruits, it is also a good reductant.

As a refrigerant:
Being easily condensed and possessing a high heat of evaporation, sulfur dioxide is a candidate material for refrigerants.


Company Contact:


  • Phone: 86-028-88455212

  • Address: NO. 2375 Chengluo Road, Longquanyi District, Chengdu City, Sichuan Province, China, Chengdu, Sichuan, China

  • Email: Email


Published date: November 17, 2016 -

  • Business Description: TYHJ focuses on standard Specialty Gases development, has a range of high purity Refrigerant Gases, Medical Gas, Industrial Gases CO, Rare Gases and Hydrogen Chloride, Ethylene.

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