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Record Information
Version1.0
Creation Date2016-09-30 22:51:39 UTC
Update Date2020-05-11 20:48:57 UTC
BMDB IDBMDB0002142
Secondary Accession Numbers
  • BMDB02142
Metabolite Identification
Common NamePhosphoric acid
DescriptionPhosphoric acid, also known as phosphate or [po(OH)3], belongs to the class of inorganic compounds known as non-metal phosphates. These are inorganic non-metallic compounds containing a phosphate as its largest oxoanion. Phosphoric acid exists as a solid, possibly soluble (in water), and a moderately acidic compound (based on its pKa) molecule. Phosphoric acid exists in all living species, ranging from bacteria to humans. Phosphoric acid is a potentially toxic compound.
Structure
Thumb
Synonyms
ValueSource
[PO(OH)3]ChEBI
Acide phosphoriqueChEBI
Acidum phosphoricumChEBI
H3PO4ChEBI
Orthophosphoric acidChEBI
PhosphorsaeureloesungenChEBI
PhosphorsaeureChEBI
Phosphoric acidKegg
OrthophosphateGenerator
PhosphateChEBI
Diphosphate tetrasodiumHMDB
MarphosHMDB
NFBHMDB
ortho- Phosphoric acidHMDB
Phosphoric acid (acd/name 4.0)HMDB
Sodium pyrophosphateHMDB
Sodium pyrophosphate decahydrateHMDB
Sodium pyrophosphate decahydrate biochemicaHMDB
SonacHMDB
Tetra-sodium pyrophosphateHMDB
Tetrasodium pyrophosphate 10-hydrateHMDB
Tetrasodium pyrophosphate decahydrateHMDB
White phosphoric acidHMDB
K-EtchantMeSH, HMDB
Uni-etchMeSH, HMDB
Concise etchantMeSH, HMDB
CondactMeSH, HMDB
Hydrogen phosphoric acidGenerator
Dihydrogen phosphateHMDB
Hydrogen phosphateHMDB
Chemical FormulaH3O4P
Average Molecular Weight97.9952
Monoisotopic Molecular Weight97.976895096
IUPAC Namephosphoric acid
Traditional Namephosphoric acid
CAS Registry Number14066-19-4
SMILES
OP(O)(O)=O
InChI Identifier
InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)
InChI KeyNBIIXXVUZAFLBC-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of inorganic compounds known as non-metal phosphates. These are inorganic non-metallic compounds containing a phosphate as its largest oxoanion.
KingdomInorganic compounds
Super ClassHomogeneous non-metal compounds
ClassNon-metal oxoanionic compounds
Sub ClassNon-metal phosphates
Direct ParentNon-metal phosphates
Alternative Parents
Substituents
  • Non-metal phosphate
  • Inorganic oxide
Molecular FrameworkNot Available
External Descriptors
Ontology
StatusDetected but not Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cytoplasm
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point42.35 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP-1.436Not Available
Predicted Properties
PropertyValueSource
logP-1ChemAxon
pKa (Strongest Acidic)1.8ChemAxon
Physiological Charge-2ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area77.76 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity14.65 m³·mol⁻¹ChemAxon
Polarizability5.81 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-MS (3 TMS)splash10-0002-0794000000-6c866e626b9356994d46View in MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0002-0394000000-3a469377821d88bd699fView in MoNA
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0002-0794000000-6c866e626b9356994d46View in MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-000t-0972000000-2ddd7182426dbace5342View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0002-9000000000-1805c2208b5ff15a75b1View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, N/A (Annotated)splash10-000t-9000000000-0e85f764ac98e8949759View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, N/A (Annotated)splash10-001i-9000000000-869a362083996a0cec77View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, N/A (Annotated)splash10-03di-9000000000-801101cccfd6c25271d4View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-12a5e23d24cd494e99c1View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0002-9000000000-91e06ca38117aabdb14cView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-000t-9000000000-19b1c041aa5e2adcc3e6View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-9000000000-e56eecd6724dfbf74160View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-9000000000-0a46ba32971030356ac5View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-004i-9000000000-3a53d27e23b39429d092View in MoNA
Biological Properties
Cellular Locations
  • Cytoplasm
Biospecimen Locations
  • Kidney
  • Liver
  • Milk
  • Placenta
  • Prostate Tissue
  • Semen
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
KidneyExpected but not QuantifiedNot ApplicableNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
LiverExpected but not QuantifiedNot ApplicableNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
MilkDetected but not QuantifiedNot ApplicableNot SpecifiedNot SpecifiedNormal details
MilkDetected but not QuantifiedNot ApplicableNot SpecifiedNot Specified
Normal
details
PlacentaExpected but not QuantifiedNot ApplicableNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Prostate TissueExpected but not QuantifiedNot ApplicableNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
SemenDetected but not QuantifiedNot ApplicableNot SpecifiedNot Specified
Normal
details
SemenDetected but not QuantifiedNot ApplicableNot SpecifiedNot Specified
Normal
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0000973
DrugBank IDDB09394
Phenol Explorer Compound IDNot Available
FooDB IDFDB013380
KNApSAcK IDC00007408
Chemspider IDNot Available
KEGG Compound IDC00009
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkPhosphoric_Acid
METLIN IDNot Available
PubChem Compound1004
PDB IDNot Available
ChEBI ID26078
References
Synthesis ReferenceRosso, Janina A.; Rodriguez Nieto, Felipe J.; Gonzalez, Monica C.; Martire, Daniel O. Reactions of phosphate radicals with substituted benzenes. Journal of Photochemistry and Photobiology, A: Chemistry (1998), 116(1), 21-25.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Jensen RG: The composition of bovine milk lipids: January 1995 to December 2000. J Dairy Sci. 2002 Feb;85(2):295-350. doi: 10.3168/jds.S0022-0302(02)74079-4. [PubMed:11913692 ]