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Reference substances

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Reference substance information

IUPAC name:
Phosphonic acid, potassium salt (1:1)
Synonyms
Names:
Mono-potassium phosphite
Monopotassium phosphite * phosphonic acid
Monopotassium phosphonate
Phosphonic acid, monopotassium salt
Phosphonic acid, potassium salt Phosphonic acid, potassium salt (1:1) Potassium hydrogenphosphonate Monopotassium phosphite (EPA Registry Name) Monopotassium phosphonate
Potassium dihydrogen phosphite
monopotassium salt * potassium dihydrogenphosphite
Identifier:
CAS number
13977-65-6
Identifier:
EC number
604-162-9
Identifier:
IUPAC name
Monopotassium hydrogenphosphonate
Identifier:
IUPAC name
Monopotassium phosphite
Identifier:
IUPAC name
Potassium hydrogen phosphonate
Identifier:
IUPAC name
Potassium hydrogen phosphonate
Identifier:
IUPAC name
monopotassium phosphite
Identifier:
IUPAC name
potassium dihydrogen phosphite
Identifier:
other: SMILES notation
P(=O)([O-])(O)[H].[K+]
Identifier:
other: InChl
1S/K.H2O3P/c;1-4(2)3/h;1-2H/q+1;-1
Identifier:
other: InChl
1S/K.H3O3P/c;1-4(2)3/h;1-3H/q+1;
Identifier:
other: Molecular formula
H2KO3P
Identifier:
other: Molecular formula
H3O3P.K
Identifier:
other: InChl
InChI=1/K.H2O3P/c;1-4(2)3/h;1-2H/q+1;-1
Identifier:
other: InChl
InChI=1S/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
OP(O)[O-].[K+]
Identifier:
other: SMILES notation
P(=O)([O-])(O)[H].[K+]
Identifier:
other: SMILES notation
[K+].[O-]P(O)O

CAS information

CAS number:
13977-65-6

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