CHEBI:29888 - diphosphoric acid

ChEBI IDCHEBI:29888
ChEBI Namediphosphoric acid
Stars
DefinitionAn acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid.
Secondary ChEBI IDsCHEBI:8683, CHEBI:45067
Last Modified18 April 2024
SubmitterMarcus Ennis
DownloadsMolfile
FormulaH4O7P2
Net Charge0
Average Mass177.973
Monoisotopic Mass177.94323
SMILESO=P(O)(O)OP(=O)(O)O
InChIInChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)
InChIKeyXPPKVPWEQAFLFU-UHFFFAOYSA-N
Species of MetaboliteComponentSourceComments
Escherichia coli (ncbitaxon:562) - PubMed (6291941)
Roles Classification
Chemical Roles:
inorganic acid  A Brønsted acid derived from one or more inorganic compounds. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water.
Bronsted acid  A molecular entity capable of donating a hydron to an acceptor (Brønsted base).
Bronsted acid  A molecular entity capable of donating a hydron to an acceptor (Brønsted base).
Biological Role:
Escherichia coli metabolite  Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
ChEBI Ontology
Outgoing Relation(s)
diphosphoric acid (CHEBI:29888) has role Escherichia coli metabolite (CHEBI:76971)
diphosphoric acid (CHEBI:29888) is a acyclic phosphorus acid anhydride (CHEBI:37786)
diphosphoric acid (CHEBI:29888) is a phosphorus oxoacid (CHEBI:33457)
diphosphoric acid (CHEBI:29888) is conjugate acid of diphosphate(1−) (CHEBI:33017)
Incoming Relation(s)
diphosphate(1−) (CHEBI:33017) is conjugate base of diphosphoric acid (CHEBI:29888)
diphosphate group (CHEBI:68836) is substituent group from diphosphoric acid (CHEBI:29888)
IUPAC Names 
diphosphoric acid
μ-oxido-bis(dihydroxidooxidophosphorus)
1,5-dihydrido-2,4-dihydroxido-2,4-dioxido-1,3,5-trioxy-2,4-diphosphy-[5]catena
Synonyms  Source
Pyrophosphoric acidKEGG COMPOUND
[(HO)2P(O)OP(O)(OH)2]IUPAC
H4P2O7IUPAC
PYROPHOSPHATEPDBeChem
acide diphosphoriqueChEBI
DiphosphorsäureChEBI
Manual XrefsDatabases
C00013KEGG COMPOUND
PPVPDBeChem
DB04160DrugBank
C00019561KNApSAcK
ECMDB04142ECMDB
Registry NumbersSources
Gmelin:82619Gmelin
Reaxys:3942075Reaxys
CAS:2466-09-3KEGG COMPOUND
CAS:2466-09-3ChemIDplus
CAS:2466-09-3NIST Chemistry WebBook
Citations