Dimagnesium phosphate

This article is about Dimagnesium phosphate. For other uses, see magnesium phosphate.
Dimagnesium phosphate
Names
Other names
Magnesium hydrogen phosphate; Magnesium phosphate dibasic
Identifiers
7757-86-0 YesY
7782-75-4 (trihydrate)
3D model (Jmol) Interactive image
ECHA InfoCard 100.028.930
Properties
HMgO4P
Molar mass 120.28 g·mol−1
Density 2.13 g/cm3 trihydrate
Hazards
R-phrases R36, R37, R38
NFPA 704
Flammability code 0: Will not burn. E.g., water Health code 0: Exposure under fire conditions would offer no hazard beyond that of ordinary combustible material. E.g., sodium chloride Reactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogen Special hazards (white): no codeNFPA 704 four-colored diamond
0
0
0
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

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

References

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