Registration Dossier

Reference substances

Reference substances

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General information

Inventory

EC number:
231-197-3
EC name:
Sulphur trioxide
CAS number:
7446-11-9

No inventory information available

Reference substance information

CAS information

CAS number:
7446-11-9

Molecular and structural information

Molecular formula:
O3S
Molecular weight:
ca. 80.06
SMILES notation:
O=S(=O)=O
Structural formula:
Chemical structure