Record Information
Version1.0
Creation date2010-04-08 22:10:40 UTC
Update date2018-05-29 01:04:42 UTC
Primary IDFDB013366
Secondary Accession NumbersNot Available
Chemical Information
FooDB NamePotassium phosphate (K3PO4)
DescriptionIt is used in food processing as a source of alkalinity, buffering agent, emulsifier, nutrient, protein modifier and stabiliser
CAS Number7778-53-2
Structure
Thumb
Synonyms
SynonymSource
Dipotassium hydrogen phosphateMeSH
Potassium dihydrogen phosphateMeSH
Potassium phosphate, monobasicMeSH
Potassium acid phosphateMeSH
Potassium phosphate (K2-HPO4)MeSH
Potassium phosphate (K-H2PO4)MeSH
K2hPO4MeSH
KD2PO4MeSH
Potassium dideuterium phosphateMeSH
Potassium monohydrogen phosphateMeSH
Potassium phosphate (K-H3PO4(1:2))MeSH
Potassium phosphate (K3-PO4)MeSH
Potassium phosphate, dibasicMeSH
Potassium orthophosphate (K3PO4)db_source
Potassium phosphate (XK)biospider
Tripotassium phosphate, 9CI, 8CIdb_source
Predicted Properties
PropertyValueSource
logP-1ChemAxon
pKa (Strongest Acidic)1.8ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area86.25 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity11.29 m³·mol⁻¹ChemAxon
Polarizability4.93 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Chemical FormulaK3O4P
IUPAC nametripotassium phosphate
InChI IdentifierInChI=1S/3K.H3O4P/c;;;1-5(2,3)4/h;;;(H3,1,2,3,4)/q3*+1;/p-3
InChI KeyLWIHDJKSTIGBAC-UHFFFAOYSA-K
Isomeric SMILES[K+].[K+].[K+].[O-]P([O-])([O-])=O
Average Molecular Weight212.2663
Monoisotopic Molecular Weight211.844540583
Classification
DescriptionThis compound belongs to the class of chemical entities known as alkali metal phosphates. These are inorganic compounds in which the largest oxoanion is phosphate, and in which the heaviest atom not in an oxoanion is an alkali metal.
KingdomChemical entities
Super ClassInorganic compounds
ClassMixed metal/non-metal compounds
Sub ClassAlkali metal oxoanionic compounds
Direct ParentAlkali metal phosphates
Alternative Parents
Substituents
  • Alkali metal phosphate
  • Inorganic oxide
  • Inorganic salt
Molecular FrameworkNot Available
External DescriptorsNot Available
Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionK 55.26%; O 30.15%; P 14.59%DFC
Melting PointNot Available
Boiling PointNot Available
Experimental Water SolubilityNot Available
Experimental logPNot Available
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
DensityNot Available
Refractive IndexNot Available
Spectra
SpectraNot Available
ChemSpider IDNot Available
ChEMBL IDNot Available
KEGG Compound IDNot Available
Pubchem Compound ID65247
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDNot Available
CRC / DFC (Dictionary of Food Compounds) IDHTN23-V:HTN23-V
EAFUS ID3145
Dr. Duke IDNot Available
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Flavornet IDNot Available
GoodScent IDrw1099661
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
Flavours
FlavorCitations
odorless
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference