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Molecular formula:
molecular weight: 80.06
CAS:
melting point: 62-α-, β - - 32.5, 16.8 ° C
γ - Boiling Point: γ-45 ° C
traits: colorless solids, three of the same-profiled, α-type β - type and gamma-type
dissolution: water-soluble form sulfuric acid, dissolved in concentrated sulfuric acid from oleum.
purposes: for the system and chlorosulfonic acid sulfate, organic compounds are used in the sulfonation.
preparation or sources: from SO2 oxidation in the presence of catalysts derived.
Note: corrosive weak, strong oxidizing.
categories: oxides
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