Dihydrogen phosphate

Dihydrogen phosphate
Names
	IUPAC name Dihydrogenphosphate
	Systematic IUPAC name Phosphoric acid, ion(1−)
	Other names Phosphoric acid, ion(1−) Dehydrophosphoric acid (1−)
Identifiers
CAS Number	14066-20-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:39745;
ChemSpider	978;
DrugBank	DB02831;
Gmelin Reference	1999
PubChem CID	1003;
CompTox Dashboard (EPA)	DTXSID40930897 ;
	InChI InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-1 Key: NBIIXXVUZAFLBC-UHFFFAOYSA-M;
	SMILES OP(=O)(O)[O-];
Properties
Chemical formula	H2O4P−1
Molar mass	96.986 g·mol−1
Conjugate acid	Phosphoric Acid
Related compounds
Related compounds	Phosphate, Monohydrogen phosphate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Dihydrogen phosphate is an inorganic ion with the formula [H₂PO₄]⁻. Phosphates occur widely in natural systems. Perhaps the most common salt of dihydrogen phosphate is sodium dihydrogen phosphate. It is used in animal feed, fertilizer, buffer (in food), and treating metal surfaces.

Names

IUPAC name Dihydrogenphosphate
Systematic IUPAC name Phosphoric acid, ion(1−)
Other names Phosphoric acid, ion(1−) Dehydrophosphoric acid (1−)
Identifiers
CAS Number	14066-20-7^Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:39745
ChemSpider	978
DrugBank	DB02831
Gmelin Reference	1999
PubChem CID	1003
CompTox Dashboard (EPA)	DTXSID40930897
InChI InChI=1S/H3O4P/c1-5(2,3)4/h(H3,1,2,3,4)/p-1 Key: NBIIXXVUZAFLBC-UHFFFAOYSA-M
SMILES OP(=O)(O)[O-]
Properties
Chemical formula	H₂O₄P⁻¹
Molar mass	96.986 g·mol⁻¹
Conjugate acid	Phosphoric Acid
Related compounds
Related compounds	Phosphate, Monohydrogen phosphate
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references