Sulfur trioxide

O3SCAS 7446-11-980.06 g/mol

OSOO

Properties

Molecular formula
O3S
Molar mass
80.06 g/mol
Exact mass
79.9568 Da
Density
1.9 g/mL
Melting point
16.8 °C
Boiling point
45 °C
logP
-1.00Crippen estimate
Polar surface area
51.2 Ų
H-bond donors / acceptors
0 / 3
Rotatable bonds
0

Identifiers

CAS number
7446-11-9
SMILES
O=S(=O)=O
InChIKey
AKEJUJNQAAGONA-UHFFFAOYSA-N
InChI
InChI=1S/O3S/c1-4(2)3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

3 names
  • Sulfur oxide (SO3)
  • Sulfuric anhydride
  • Nisso sulfan

Work with Sulfur trioxide

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere