CHEBI:36361 - phosphorous acid

Main ChEBI Ontology Automatic Xrefs Reactions Pathways Models
ChEBI Name phosphorous acid
ChEBI ID CHEBI:36361
Stars This entity has been manually annotated by the ChEBI Team.
Secondary ChEBI IDs CHEBI:26081, CHEBI:29196
Supplier Information
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Formula H3O3P
Net Charge 0
Average Mass 81.99578
Monoisotopic Mass 81.982
InChI InChI=1S/H3O3P/c1-4(2)3/h1-3H
InChIKey OJMIONKXNSYLSR-UHFFFAOYSA-N
SMILES [H]OP(O[H])O[H]
Roles Classification
Chemical Role(s): inorganic acid
A Bronsted 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.
(via pnictogen oxoacid )
Bronsted acid
A molecular entity capable of donating a hydron to an acceptor (Bronsted base).
(via oxoacid )
View more via ChEBI Ontology
ChEBI Ontology
Outgoing phosphorous acid (CHEBI:36361) is a phosphorus oxoacid (CHEBI:33457)
phosphorous acid (CHEBI:36361) is conjugate acid of dihydrogenphosphite (CHEBI:29258)
phosphorous acid (CHEBI:36361) is tautomer of phosphonic acid (CHEBI:44976)
Incoming organic phosphite (CHEBI:48135) has functional parent phosphorous acid (CHEBI:36361)
phosphorous acid derivative (CHEBI:59749) has functional parent phosphorous acid (CHEBI:36361)
dihydrogenphosphite (CHEBI:29258) is conjugate base of phosphorous acid (CHEBI:36361)
phosphonic acid (CHEBI:44976) is tautomer of phosphorous acid (CHEBI:36361)
IUPAC Names
trihydrogen trioxophosphate(3−)
trihydroxidophosphorus
trioxophosphoric(3−) acid
Synonyms Sources
[P(OH)3] IUPAC
H3PO3 NIST Chemistry WebBook
H3PO3 IUPAC
P(OH)3 IUPAC
phosphite UniProt
phosphorige Säure ChEBI
phosphorous acid IUPAC
Registry Numbers Types Sources
10294-56-1 CAS Registry Number ChemIDplus
10294-56-1 CAS Registry Number NIST Chemistry WebBook
164068 Gmelin Registry Number Gmelin
Last Modified
08 August 2017