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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Reference substances

Reference substances

Currently viewing:
IUPAC name:
dipotassium phosphonate

Inventory

EC number:
236-809-2
EC name:
Dipotassium phosphonate
CAS number:
13492-26-7
CAS number:
13492-26-7
Synonyms
Names:
Identifier:
IUPAC name
Potassium hydrogen phosphite (2:1:1)
Identifier:
common name
Dipotassium hydrogen phosphite
Identifier:
common name
Dipotassium phosphite
Identifier:
common name
Phosphonic acid potassium salt (1:2)
Identifier:
common name
Phosphonic acid, dipotassium salt
Identifier:
other: Molecular formula
H3O3P.2K

Molecular and structural information

Molecular formula:
K2HPO3
or HK2O3P
or H3O3P.2K
Molecular weight:
ca. 158.18
SMILES notation:
[O-]P(=O)[O-].[K+].[K+]
InChl:
InChI=1/2K.H3O3P/c;;1-4(2)3/h;;4H,(H2,1,2,3)/q2*+1;/p-2
Structural formula:
Chemical structure

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