Sulfur trioxide

CAS NO: 7446-11-9
Molecular Formula: O3S
Molecular Weight: 80.06

Synonyms

SO3

Sulfan

SULFAN(R)

sulfuricoxide

Sulfuric oxide

SULFUR TRIOXIDE

Schwefeltrioxid

SULPHUR TRIOXIDE

Sulfur oxide (SO3)

SULFURIC ANHYDRIDE

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Chemical Properties

mp :

16.8 °C(lit.)
bp :

44.8 °C
merck :

13,9069
density :

1.97 g/mL at 25 °C(lit.)
vapourDensity :

2.8 (vs air)
vapourPressure :

280 mm Hg ( 25 °C)
storageTemparature :

Indoors
waterSolubility :

reacts violently