Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
Sulphur dioxide generated from sulphur by combustion

Inventory

EC number:
231-195-2
EC name:
Sulphur dioxide
CAS number:
7446-09-5
CAS number:
7446-09-5
Synonyms
Names:
Sulfur dioxide
oxosulfane oxide
sulfur dioxide sulphur dioxide sulfurous oxide sulfurous anhydride
Identifier:
IUPAC name
(oxo-lambda4-sulfanylidene)oxidane
Identifier:
IUPAC name
(oxo-λ4-sulfanylidene)oxidane
Identifier:
IUPAC name
(oxo-λ⁴-sulfanylidene)oxidane
Identifier:
IUPAC name
Sulfur Dioxide
Identifier:
IUPAC name
sulfur dioxide
Identifier:
other: InChl
1S/O2S/c1-3-2
Identifier:
other: InChl
InChI=1S/O2S/c1-3-2
Identifier:
other: InChl
InChI=1S/O2S/c1-3-2 AuxInfo=1/0/N:2,3,1/E:(1,2)/CRV:3.4/rA:3SOO/rB:d1;d1;/rC:1.5292,0,0;;2.3158,-1.3365,0;
Identifier:
other: Molecular formula
O2S
oxosulfane oxide

Molecular and structural information

Molecular formula:
SO2
Molecular weight:
64.06
SMILES notation:
O=S=O
InChl:
InChI=1/O2S/c1-3-2
Structural formula:
Chemical structure

Related substances