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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Phosphonic acid, potassium salt (1:1)

Inventory

CAS number:
13977-65-6
Synonyms
Names:
Mono-potassium phosphite
Monopotassium phosphonate
Identifier:
IUPAC name
Monopotassium hydrogenphosphonate
Identifier:
IUPAC name
Potassium phosphonate
Identifier:
IUPAC name
potassium dihydrogen phosphite
Identifier:
other: Molecular formula
H2KO3P
Identifier:
other: InChl
InChI=1/K.H2O3P/c;1-4(2)3/h;1-2H/q+1;-1
Identifier:
other: InChl
InChl=1S/K.H3O3P/c;1-4(2)3/h;1-3H/q+1
Identifier:
other: SMILES notation
O=[PH](O)[O-].[K+]
Identifier:
other: SMILES notation
[K+].[O-]P(O)O

Molecular and structural information

Molecular formula:
KH2PO3
Molecular weight:
ca. 120.085
SMILES notation:
[K+].OP(O)O
InChl:
InChI=1S/K.H3O3P/c;1-4(2)3/h;1-3H/q+1
Structural formula:
Chemical structure

Related substances