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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
228-543-0
EC name:
Dipotassium methanedisulphonate
CAS number:
6291-65-2
CAS number:
6291-65-2
Synonyms
Names:
Identifier:
EC name
dipotassium methanedisulphonate
Identifier:
IUPAC name
dipotassium methanedisulfonate
Identifier:
common name
methanedisulfonic acid, potassium salt (1:2)
Identifier:
common name
methanesulfonic acid, dipotassium salt (1:2)
Identifier:
common name
methanesulfonic acid, potassium salt (1:2)
Identifier:
other: InChl
1S/CH4O6S2/c2-8(3,4)1-9(5,6)7/h1H2,(H,2,3,4)(H,5,6,7)
Identifier:
other: SMILES notation
C(S(=O)(=O)O)S(=O)(=O)O
Identifier:
other: Molecular formula
CH2K2O6S2
Identifier:
other: SMILES notation
[K]OS(=O)(=O)CS(=O)(=O)O[K]
dipotassium methanedisulfonate

Molecular and structural information

Molecular formula:
CH4O6S2.2K
Molecular weight:
252.35
SMILES notation:
[K+].[K+].[O-]S(=O)(=O)CS(=O)(=O)[O-]
InChl:
InChI=1/CH4O6S2.2K/c2-8(3,4)1-9(5,6)7;;/h1H2,(H,2,3,4)(H,5,6,7);;/q;2*+1/p-2
Structural formula:
Chemical structure

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