Phosphate
salts or esters of phosphoric acid
A phosphate is a salt of phosphoric acid. Phosphates are important in biochemistry. Phosphates have the formula PO43- 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, PO43-; metaphosphate, PO32-; and pyrophosphate, P2O73-. They have a combining power of 3.
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Names | |||
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Systematic IUPAC name
Phosphate[1] | |||
Identifiers | |||
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3D model (JSmol)
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Beilstein Reference | 3903772 | ||
ChEBI | |||
ChemSpider | |||
Gmelin Reference | 1997 | ||
MeSH | Phosphates | ||
PubChem CID
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UNII | |||
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Properties | |||
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 | |||
![](http://178.128.105.246/cars-http-upload.wikimedia.org/wikipedia/commons/thumb/d/d2/Phosphate_Group.svg/300px-Phosphate_Group.svg.png)
Structure
changePhosphates are made of one phosphorus atom surrounded by four oxygen atoms. Many phosphates do not dissolve in water.
Sources
change- ↑ "Phosphates – PubChem Public Chemical Database". The PubChem Project. USA: National Center of Biotechnology Information.