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Sulfur Dioxide (SO2) — Properties, Uses & Safety
🌍 Atmospheric & EnvironmentalOverview
A major air pollutant from burning fossil fuels; causes acid rain and is also used as a food preservative.
- IUPAC Name
- sulfurous anhydride
- CAS Number
- 7446-09-5
- PubChem CID
- 1119
- Molecular Formula
- SO2
- Molar Mass
- 64.066 g/mol
- State at STP
- gas
- Appearance
- Colorless gas with pungent sulfur odor
Safety Information
GHS Hazard Codes
H280H314H331
GHS Pictograms
gas-cylindercorrosionexclamation
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