Potassium hydrogen phthalate

C8H5KO4CAS 877-24-7204.22 g/mol

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Carboxylic acid

Properties

Molecular formula
C8H5KO4
Molar mass
204.22 g/mol
Exact mass
203.9825 Da
Melting point
220 °C
logP
0.70Crippen estimate
Polar surface area
74.6 Ų
H-bond donors / acceptors
2 / 2
Rotatable bonds
2

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

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Identifiers

CAS number
877-24-7
SMILES
[O-]C(=O)c1ccccc1C(=O)O.[K+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

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Names and synonyms

9 names
  • 1,2-Benzenedicarboxylic acid, potassium salt (1:1)
  • Phthalic acid, monopotassium salt
  • 1,2-Benzenedicarboxylic acid, monopotassium salt
  • Potassium acid phthalate
  • Potassium biphthalate
  • Monopotassium phthalate
  • Hydrogen potassium phthalate
  • Monopotassium 1,2-benzenedicarboxylate
  • KAP

Work with Potassium hydrogen phthalate

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Phthalic acid88-99-3Free acid Ammonium phthalate523-24-0Salt Potassium phthalate29801-94-3

Similar compounds

Potassium salicylate578-36-963 % similar Zinc salicylate16283-36-654 % similar (T-4)-Bis[2-(hydroxy-κO)benzoato-κO]magnesium18917-89-054 % similar Diphenic acid482-05-353 % similar Phthalamic acid88-97-153 % similar Magnesium bis(monoperoxyphthalate) hexahydrate84665-66-752 % similar Potassium benzoate582-25-252 % similar 2-Acetylbenzoic acid577-56-052 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

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