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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Currently viewing:
IUPAC name:
sulfuric acid

Inventory

EC number:
231-594-1
EC name:
Potassium hydrogensulphate
CAS number:
7646-93-7
CAS number:
7646-93-7
Synonyms
Names:
Sulfuric acid, monopotassium salt
Identifier:
IUPAC name
potassium hydrogen sulfate
Identifier:
IUPAC name
sulfuric acid
Identifier:
other: Molecular formula
H2O4S.K
Identifier:
other: SMILES notation
OS(=O)(=O)O
sodium hydroxidotrioxidosulfate(1-)

Molecular and structural information

Molecular formula:
KHSO4
Molecular weight:
136.17
SMILES notation:
OS(=O)(=O)[O-].[K+]
InChl:
InChI=1/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)
Structural formula:
Chemical structure

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