Phosphate

Phosphate
Aromatic ball and stick model of phosphate	Space-filling model of phosphate
Names
	Systematic IUPAC name Phosphate[1]
Identifiers
CAS Number	14265-44-2 ;
3D model (JSmol)	Interactive image; Interactive image; Interactive image; Interactive image;
Beilstein Reference	3903772
ChEBI	CHEBI:18367 ;
ChemSpider	1032 ;
Gmelin Reference	1997
MeSH	Phosphates
PubChem CID	1061;
UNII	NK08V8K8HR ;
	SMILES [O-]P([O-])([O-])=O; [O-]P(=O)([O-])[O-]; O=P([O-])([O-])[O-]; [O-][P+]([O-])([O-])[O-];
Properties
Chemical formula	PO3−; 4
Molar mass	94.9714 g mol−1
Conjugate acid	Hydrogen phosphate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

A phosphate is a salt of phosphoric acid. Phosphates are important in biochemistry. Phosphates have the formula PO₄^3- and a molar mass of 94.973 g/mol. An example of a phosphate is sodium phosphate. Three different types of phosphates are known. They are orthophosphate, PO₄^3-; metaphosphate, PO₃^2-; and pyrophosphate, P₂O₇^3-. They have a combining power of 3.

The phosphate functional group

Structure

Phosphates are made of one phosphorus atom surrounded by four oxygen atoms. Many phosphates do not dissolve in water.

Sources

"Phosphates – PubChem Public Chemical Database". The PubChem Project. USA: National Center of Biotechnology Information.

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[1] "Phosphates – PubChem Public Chemical Database". The PubChem Project. USA: National Center of Biotechnology Information.