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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

IUPAC name:
sulphur trioxide
Synonyms
Names:
Sulfur trioxide
Sulfur trioxide
Identifier:
IUPAC name
Sulfur trioxide
Identifier:
IUPAC name
oxosulfane dioxide
Identifier:
IUPAC name
oxosulfane dioxide
Identifier:
IUPAC name
sulfur trioxide
Identifier:
IUPAC name
sulphur trioxide equivalent
Identifier:
other: InChl
InChI=1/O3S/c1-4(2)3
Identifier:
other: SMILES notation
O=S(=O)=O
Identifier:
other: Molecular formula
SO3

CAS information

CAS number:
7446-11-9

Molecular and structural information

Molecular formula:
O3S
Molecular weight:
80.063
SMILES notation:
O=S(=O)=O
InChl:
InChI=1/O3S/c1-4(2)3
Structural formula:
Chemical structure