SO2
Sulfur dioxide, SO2
Physical Properties: a colorless gas with strong pungent, asphyxiating and irritating odor, toxic gas.
Chemical properties: non-combustible and non-flammable. It is very easy to liquefy and the gas pressure is less than 0.5 MPa.
Production sources: combustion of hydrogen sulfide, recovery from exhaust gases, extraction from sulfates, combustion of sulfur ores
Application areas: industrial production, food processing and pharmaceuticals.
Melting point: -75.5 ℃
Boiling Point：-10 ℃
Water solubility: soluble
Density: 2.9275 kg/m³
In industrial production, it is used as a deoxidizer, bleaching agent and disinfectant. In food processing, it acts as a preservative, food additive, preservative and antioxidant. In the pharmaceutical field, it can be used as a pharmaceutical intermediate with strict dosage control.
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