Sulfur dioxide

Name

Sulfur dioxide

Molecular formula

SO2

Molecular weight

64.07

Executive standard 

GB/T3637-93

Traits

A colorless gas with a spicy asphyxiating odor. The relative density is 2.264 (0 ° C). Melting point - 72.7 ° C. The boiling point is -10 ° C. The vapor pressure was 338.32 kPa and the solubility in water at 338.32 kPa was 8.5% (25 ° C).

Product quality index 

Package

1000Kg cylinder packaging.

Use

Manufacture of inorganic sulfides, organic synthesis, fumigants, insecticides, preservatives for fruits and vegetables, disinfectants for disinfectants, bleaches, paper industry, suede, refrigerants, petroleum refining, magnesium smelting, preservatives, standards Gas, calibration gas, line gauge standard gas.

Characteristics

Soluble in methanol and ethanol; soluble in sulfuric acid, acetic acid, chloroform and ether. Corrosive to metals when wet. It cannot coexist with the following substances: halogen or halogen forms a compound with each other, lithium nitrate, metal acetylide, metal oxide, metal, potassium chlorate, sodium hydride.