Term Name:	phosphonic acid
Synonyms:	(HO)2HPO, [PHO(OH)2], dihydrogen hydridotrioxophosphate(2-), H2PHO3, H3PO3, HPO(OH)2, hydridodihydroxidooxidophosphorus, hydridotrioxophosphoric(2-) acid, Phosphite, Phosphonate, Phosphonic acid, Phosphonsaeure
Definition:	A phosphorus oxoacid that consists of a single pentavalent phosphorus covalently bound via single bonds to a single hydrogen and two hydroxy groups and via a double bond to an oxygen. The parent of the class of phosphonic acids.
Ontology:	ChEBI [CHEBI:44976] ( EBI )

Relationships

is a type of:	phosphonic acids phosphorus oxoacid
has subtype:	glyphosate
has_role:	fungicide
inverse has_functional_parent:	((2S,3aS,4R,6S)-4-(hydroxymethyl)-6-(4-oxo-4,5-dihydro-3H-pyrrolo[3,2-d]pyrimidin-7-yl)tetrahydrofuro[3,4-d][1,3]dioxol-2-yl)methylphosphonic acid (2-aminoethyl)phosphonic acid (3-aminopropyl)phosphonic acid (aminomethyl)phosphonic acid (R)-(1-aminoethyl)phosphonic acid (S)-(1-aminoethyl)phosphonic acid ({[(1R,2R)-2-(uracil-1-yl)cyclopentyl]oxy}methyl)phosphonic acid ({[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl]amino}methyl)phosphonic acid 1-amino-1-phenylmethyl phosphonic acid 1-aminocyclopropylphosphonic acid 1-deoxy-1-{[2,6-dihydroxy-5-(5-phosphonopentyl)pyrimidin-4-yl]amino}-D-ribitol 1-deoxy-1-{[2,6-dioxo-5-(5-phosphonopentyl)-1,2,3,6-tetrahydropyrimidin-4-yl]amino}-D-ribitol 1-hydroxy-2-aminoethylphosphonic acid 1-{2-deoxy-3,5-O-[phenyl(phosphono)methylidene]-beta-L-threo-pentofuranosyl}thymine 2-amino-5-phosphonopentanoic acid 2-dimethylaminoethylphosphonic acid 2-hydroxyethylphosphonic acid 2-hydroxypropylphosphonic acid 2-methylaminoethylphosphonic acid 2-trimethylaminoethylphosphonic acid 3-phosphonopyruvic acid [(1R)-1-{[N-(furan-2-ylcarbonyl)-L-leucyl]amino}-2-(1H-indol-3-yl)ethyl]phosphonic acid [(1R)-2-(3-{methyl[1-(naphthalen-2-ylcarbonyl)piperidin-4-yl]carbamoyl}naphthalen-2-yl)-1-naphthalen-1-yl-2-oxoethyl]phosphonic acid [2-(3-dibenzo[b,d]furan-4-ylphenyl)-1-hydroxyethane-1,1-diyl]bis(phosphonic acid) [{4-[(2R,4E)-2-(1,3-benzothiazol-2-yl)-2-(1H-benzotriazol-1-yl)-5-phenylpent-4-en-1-yl]phenyl}(difluoro)methyl]phosphonic acid fosfomycin GS-8373 hydroxymethylphosphonic acid methyl phosphonate methylphosphonic acid N-[(R)-4-phosphopantothenoyl]-L-cysteine phosphonic acid derivative phosphonoacetaldehyde phosphonoacetic acid phosphonoformic acid
inverse is_conjugate_base_of:	phosphonate(1-)
inverse is_substituent_group_from:	phosphono group
inverse is_tautomer_of:	phosphorous acid
is_conjugate_acid_of:	phosphonate(1-)
is_tautomer_of:	phosphorous acid