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sulfur trioxide

Date:2024-01-08 16:21:46 Number:5403

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Name: Sulfur trioxide                     

Chemical formula: SO3

Molecular weight: 80.06                 

CAS entry number: 7446-11-9           

Melting point: 16.8 ℃

Density: 1.97g/cm³               

Boiling point: 44.8 ℃                          

Appearance: Colorless transparent oily liquid    

Water solubility:Easily soluble in water, mixed with water to form sulfuric acid

Uses: Can be used for organic compounds sulfonation and sulfation; It is widely used as a reaction agent in the production of surfactants and ion exchange resins. For the production of dye intermediates; It can be used for sulfonation and acid refining of petroleum lubricating fractions. It can be used to synthesize sulfonamide, sulfuric acid, chlorosulfonic acid, sulfamic acid, dimethyl sulfate, detergent and so on.