CHEBI:29888 - diphosphoric acid

Main ChEBI Ontology Automatic Xrefs
ChEBI Name diphosphoric acid
ChEBI ID CHEBI:29888
Definition An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid.
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:45067, CHEBI:8683
Supplier Information
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Formula H4O7P2
Net Charge 0
Average Mass 177.97508
InChI InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6)
InChIKey XPPKVPWEQAFLFU-UHFFFAOYSA-N
SMILES OP(O)(=O)OP(O)(O)=O
Metabolite of Species Details
Escherichia coli (NCBI:562) See: PubMed
Roles Classification
Chemical Role(s): Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
Biological Role(s): Escherichia coli metabolite
Any bacterial metabolite produced during a metabolic reaction in Escherichia coli.
View more via ChEBI Ontology
ChEBI Ontology
Outgoing 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 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
1,5-dihydrido-2,4-dihydroxido-2,4-dioxido-1,3,5-trioxy-2,4-diphosphy-[5]catena
diphosphoric acid
μ-oxido-bis(dihydroxidooxidophosphorus)
Synonyms Sources
[(HO)2P(O)OP(O)(OH)2] IUPAC
acide diphosphorique ChEBI
Diphosphoric acid KEGG COMPOUND
Diphosphorsäure ChEBI
H4P2O7 IUPAC
PYROPHOSPHATE PDBeChem
Pyrophosphate KEGG COMPOUND
Pyrophosphoric acid KEGG COMPOUND
Pyrophosphorsäure ChEBI
Database Links Databases
C00013 KEGG COMPOUND
C00019561 KNApSAcK
DB04160 DrugBank
ECMDB04142 ECMDB
PPV PDBeChem
View more database links
Registry Numbers Types Sources
2466-09-3 CAS Registry Number KEGG COMPOUND
2466-09-3 CAS Registry Number ChemIDplus
2466-09-3 CAS Registry Number NIST Chemistry WebBook
3942075 Reaxys Registry Number Reaxys
82619 Gmelin Registry Number Gmelin
Citation Waiting for Citations Type Source
6291941 PubMed citation CiteXplore
Last Modified
03 September 2014