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Sulfur trioxide

O₃S · 4 atoms

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Sulfur trioxide

Elements

SSulfur OOxygen

About

Sulfur trioxide is a sulfur oxide.

Properties

IUPAC namesulfur trioxide

CAS number7446-11-9

Molar mass80.07 g/mol

Melting point62.2 °C

Boiling point45 °C

Density0.63 g/mL

GHS hazards

CorrosiveAcute toxicIrritantHealth hazardEnvironmental hazard

Sources

Properties: PubChem CID 24682
3D structure: PubChem CID 24682 (3D conformer)
CAS number: PubChem CID 24682
Description: PubChem ← ChEBI
Melting point: PubChem ← CAMEO Chemicals
Boiling point: PubChem ← CAMEO Chemicals
Density: PubChem ← Hazardous Substances Data Bank (HSDB)
Hazards: PubChem ← European Chemicals Agency (ECHA)

Data from PubChem (NIH/NLM). Some annotations originate with the upstream sources shown.