Dimagnesium phosphate

This article is about Dimagnesium phosphate. For other uses, see magnesium phosphate.

Dimagnesium phosphate
Other names Magnesium hydrogen phosphate; Magnesium phosphate dibasic
Identifiers
CAS number	7757-86-0,  7782-75-4 (trihydrate)
Jmol-3D images	Image 1
SMILES O=P([O-])(O)[O-].[Mg+2]
Properties
Molecular formula	HMgO4P
Molar mass	120.28 g mol−1
Density	2.13 g/cm3 trihydrate
Hazards
R-phrases	R36, R37, R38
NFPA 704	0 0 0
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Dimagnesium phosphate is a compound with formula MgHPO₄. It is a magnesium acid salt of phosphoric acid.

It can be formed by reaction of stoichiometric quantities of magnesium oxide with phosphoric acid.

MgO + H₃PO₄ → MgHPO₄ + H₂O.

It is one of the compounds that have E number E343^{[citation needed]}.

See also

• Magnesium phosphate