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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

IUPAC name:
methanesulphonic anhydride

Inventory

EC number:
230-442-1
EC name:
Methanesulphonic anhydride
CAS number:
7143-01-3
CAS number:
7143-01-3
Synonyms
Names:
Methanesulfonic acid, 1,1'-anhydride Mesyl anhydride
Identifier:
IUPAC name
methanesulfonic anhydride
Identifier:
other: SMILES notation
CS(=O)(OS(C)(=O)=O)=O
Methanesulfonic anhydride

Molecular and structural information

Molecular formula:
C2H6O5S2
Molecular weight:
174.196
SMILES notation:
O=S(=O)(OS(=O)(=O)C)C
InChl:
1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
Structural formula:
Chemical structure

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