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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
231-913-4
EC name:
Potassium dihydrogenorthophosphate
CAS number:
7778-77-0
CAS number:
7778-77-0
Synonyms
Names:
MKP
Monobasic potassium phosphate
Monopotasium phosphate
Monopotassium phosphate
Phosphoric acid, monopotassium salt
Potassium dihydrogen phosphate
Potassium phosphate
monopotassium phosphate
Identifier:
IUPAC name
Potasium dihydrogenorthophosphate (MKP)
Identifier:
IUPAC name
Potassium dihydrogen orthophosphate
Identifier:
IUPAC name
Potassium dihydrogen phosphate
Identifier:
IUPAC name
Potassium dihydrogen phosphate
Identifier:
IUPAC name
potassium dihydrogenorthophosphate
Identifier:
IUPAC name
potassium dihydrogenorthophosphate
Identifier:
IUPAC name
potassium;dihydrogen phosphate
Identifier:
other: InChl
GNSKLFRGEWLPPA-UHFFFAOYSA-M
Identifier:
other: Molecular formula
H2KO4P
Identifier:
other: Molecular formula
H2O4P.K
Identifier:
other: Molecular formula
H2O4P.K or H3O4P.K or KH2PO4
Identifier:
other: Molecular formula
H3O4P.K
Identifier:
other: InChl
InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Identifier:
other: Molecular formula
KH2PO4
Identifier:
other: Molecular formula
KH2PO4 / H2KPO4
Identifier:
other: SMILES notation
[K+].OP(=O)(O)[O-]
Identifier:
other: SMILES notation
[K+].[O-]P(=O)(O)O

Molecular and structural information

Molecular formula:
H3O4P.2K
Molecular weight:
136
SMILES notation:
OP(=O)(O)[O-].[K+]
InChl:
InChI=1/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
Structural formula:
Chemical structure

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