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Dimagnesium phosphate

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Title: Dimagnesium phosphate  
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Subject: Magnesium phosphate, Phosphates, E number
Collection: Acid Salts, Magnesium Compounds, Phosphates
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Dimagnesium phosphate

Dimagnesium phosphate
Other names
Magnesium hydrogen phosphate; Magnesium phosphate dibasic
Jmol-3D images Image
Molar mass 120.28 g·mol−1
Density 2.13 g/cm3 trihydrate
R-phrases R36, R37, R38
NFPA 704
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
 YesY  (: YesY/N?)

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.[1]

See also


  1. ^ relevant part of the German “Zusatzstoff-Zulassungsverordnung”, the official German implementation of the respective regulation of the European Union
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