Monomagnesium phosphate

Monomagnesium phosphate^[1]
Names

Other names Monomagnesium orthophosphate, Magnesium dihydrogen phosphate; Magnesium phosphate monobasic; Magnesium biphosphate; Acid magnesium phosphate
Identifiers
CAS Number	13092-66-5 (Anhydrous)^Y 15609-87-7 (Dihydrate)^N
3D model (Jmol)	Interactive image
ChemSpider	451008^N
ECHA InfoCard	100.032.716
PubChem	516950
InChI InChI=1S/Mg.2H3O4P/c;21-5(2,3)4/h;2(H3,1,2,3,4)/q+2;;/p-2^N Key: QQFLQYOOQVLGTQ-UHFFFAOYSA-L^N InChI=1/Mg.2H3O4P/c;21-5(2,3)4/h;2(H3,1,2,3,4)/q+2;;/p-2 Key: QQFLQYOOQVLGTQ-NUQVWONBAA
SMILES OP(=O)(O)[O-].OP(=O)(O)[O-].[Mg+2]
Properties
Chemical formula	H₄MgO₈P₂
Molar mass	218.28 g·mol⁻¹
Appearance	White, odorless, crystalline powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Monomagnesium phosphate is one of the forms of magnesium phosphate. It is a magnesium acid salt of phosphoric acid with the chemical formula Mg(H₂PO₄)₂.

As a food additive, it is used as an acidity regulator and has the E number E343.

References

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