Sulfur trioxide

CAS Number7446-11-9
FormulaSO3
Mol. Weight80.06 g/mol
Sulfur trioxide
What is Sulfur trioxide?
Sulfur trioxide is a chemical compound with CAS number 7446-11-9 and molecular formula SO3. It is used in various industrial and research applications.
Specifications
Linear Formula
SO3
Molecular Weight
80.06 g/mol
Assay/Purity
≥99%
Boiling Point
44.7 °C(lit.)
Density
1.97 g/mL at 25 °C(lit.)
Safety Information
GHS05
GHS07Signal Word
Danger
Hazard Statements
H314-H335
Precautionary Statements
P261-P280-P305 + P351 + P338-P310
Required PPE
Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US)
Melting Point
16.8 °C(lit.)
EC Number
231-197-3
WGK Germany
1
