| Identification | Back Directory | [Name]
MAGNESIUM PYROPHOSPHATE | [CAS]
13446-24-7 | [Synonyms]
MAGNESIUMDIPHOSPHATE
MAGNESIUM PYROPHOSPHATE
dimagnesium pyrophosphate
Magnesium phosphate (pyro)
Diphosphoric acid,magnesium salt
Diphosphoric acid, magnesium salt
Diphosphoricacid,magnesiumsalt(1:2)
MAGNESIUM PYROPHOSPHATE ISO 9001：2015 REACH | [EINECS(EC#)]
236-595-0 | [Molecular Formula]
Mg2O7P2 | [MDL Number]
MFCD00049482 | [MOL File]
13446-24-7.mol | [Molecular Weight]
222.55 |
| Chemical Properties | Back Directory | [Melting point ]
1383℃ [HAW93] | [density ]
2.56 g/mL at 25 °C(lit.) | [form ]
Powder | [color ]
White | [Water Solubility ]
Soluble in dilute mineral acids. Insoluble in water. | [Merck ]
14,5684 |
| Hazard Information | Back Directory | [Chemical Properties]
colorless; monoclinic [CRC10] | [Description]
Magnesium pyrophosphate has the molecular formula
of Mg2P2O7 and the molecular weight of grams per mole.
It may be prepared by the solid-state reaction of the dibasic
orthophosphate, or alternately by the precipitation of a
soluble Mg salt with aqueous pyrophosphoric acid:?
2MgHPO4 (or MgNH4PO4) + heat0Mg2P2O7
+H2O (+NH3)?
MgCl2 (aq)+H4P2O7 (aq)0Mg2P2O7 (solid)+2HCl (aq)?
In the solution method, the result is the hexahydrate,
Mg2P2O7·6H2O. This is a white powder with a CAS
number of 13478-16-5 and a molecular weight of
245.4073 g/mol. Its density is 1.71 g/cm3 and it is relatively
insoluble in water or ethanol but soluble in acids. |
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