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Sulfur Dioxide So2 Industrial Gas - China

price: contact company for price

Sulfur Dioxide So2 Industrial Gas

Products Photos Catalog Sulfur Dioxide So2 Photos Catalog

Sulfur dioxide (SO₂) is a colorless liquefied gas with a pungent odor.

Dry gas is non-corrosive.

Sulfur dioxide can be produced in a variety of ways, such as the combustion of sulfur or pyrite; or, as a by-product of smelter operations.

It can also be prepared by the reaction of an acid with a metal sulfide, or by the direct action of sulfuric acid with a metal such as copper.

CAS No.

7446-09-5

UN No.

1079

EINECS No.

231-195-2

Molecular weight 64.07

Appearance colorless, pungent odor

Melting point -75.5 ℃

Boiling point -10 ℃

Density 2.9275 kg/m³

DOT Class 2.3 & 8

Label Toxic Gas, Corrosives


Company Contact:


  • Phone: 86-028-88465234

  • Address: Room 1104, 4th Building, Stage II，Shudu Center Building, High-Tech Zone, Chengdu , Sichuan , China

  • Email: Email


Published date: July 22, 2025

  • Business Description: Chengdu Taiyu Industrial Gases Co., Ltd is short as "TYHJ".

    "TY", Taiyu Gas, On the Top of "Mount TAI", "HJ", HongJin Gas, a bright future.

    TYHJ was established in 2002, started with industrial gases oxygen, nitrogen and argon.

    In 2007, TYHJ turned to the field of specialty gases.

    In 2019, the turnover reached 1.1 million US dollars in one fell swoop.

    Now we have become a leading gas supplier, which is closely related to Pragmatic, Upright, Enterprising, Altruistic corporate culture.

    TYHJ focuses on specialty gases development, serves clients across China and in the world, has full range of specialty gases, including electronic gases, high purity gases, mixed gases, electric lighting gases, ultra pure gases, laser gases, medical gases, calibration gases, a total of ten series of more than 100 varieties, with strong market competitiveness.

    As an ISO9001 and ISO14001 certified company, TYHJ exports gases into more than 30 countries and regions.

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