CAS Registry Number®
7446-11-9
CAS Name
Sulfur trioxide
Molecular Formula
O3S
Molecular Mass
80.06
Compound Properties
-
Boiling Point (1)
45 °C
-
Melting Point (0)
16.8 °C
-
Density (0)
1.9 g/cm³
Source(s)
- (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
Other Names and Identifiers
InChI
InChI=1S/O3S/c1-4(2)3
InChIKey
InChIKey=AKEJUJNQAAGONA-UHFFFAOYSA-N
Canonical SMILES
O=S(=O)=O
Other Names for this Substance
- Sulfur trioxide
- Sulfur oxide (SO3)
- Sulfuric anhydride
- Nisso Sulfan
Deleted or Replaced CAS Registry Numbers
856577-62-3, 879675-02-2
