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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
Phosphonic acid, potassium salt (1:2)

Inventory

EC number:
236-809-2
EC name:
Dipotassium phosphonate
CAS number:
13492-26-7
CAS number:
13492-26-7
Synonyms
Names:
Phosphonic acid, dipotassium salt
Phosphoric acid, potassium salt (1:2)
Identifier:
IUPAC name
Dipotassium Phosphonate
Identifier:
IUPAC name
Dipotassium phosphonate
Identifier:
IUPAC name
dipotassium phosphonate
Identifier:
other: InChl
1S/2K.H3O3P/c;;1-4(2)3/h;;1-3H/q2*+1
Identifier:
other: InChl
InChI=1/2K.H3O3P/c;;1-4(2)3/h;;4H,(H2,1,2,3)/q2*+1;/p-2
Identifier:
other: SMILES notation
O=[PH]([O-])[O-].[K+].[K+]
Identifier:
other: SMILES notation
[K+].[K+].[O-]P(=O)[O-]

Molecular and structural information

Molecular formula:
H3O3P.2K
Molecular weight:
ca. 158.175
SMILES notation:
P(O)(O)O.[K+].[K+]
InChl:
InChI=1S/2K.H3O3P/c;;1-4(2)3/h;;1-3H/q2*+1
Structural formula:
Chemical structure

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