Zinc pyrophosphate

Zinc pyrophosphate^[1]

Identifiers
CAS number	7446-26-6
PubChem	62641
ChemSpider	56393^Y
Jmol-3D images	Image 1
SMILES [Zn+2].[Zn+2].[O-]P([O-])(=O)OP([O-])([O-])=O
InChI InChI=1S/H4O7P2.2Zn/c1-8(2,3)7-9(4,5)6;;/h(H2,1,2,3)(H2,4,5,6);;/q;2+2/p-4^Y Key: OMSYGYSPFZQFFP-UHFFFAOYSA-J^Y InChI=1/H4O7P2.2Zn/c1-8(2,3)7-9(4,5)6;;/h(H2,1,2,3)(H2,4,5,6);;/q;2+2/p-4 Key: OMSYGYSPFZQFFP-XBHQNQODAA
Properties
Molecular formula	Zn₂P₂O₇
Molar mass	304.72 g/mol
Appearance	white crystalline powder
Density	3.75 g/cm³
Solubility in water	insoluble
Solubility	soluble in dilute acids
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

Zinc pyrophospate (Zn₂P₂O₇) is an inorganic chemical compound. It is useful in gravimetric analysis of zinc. Zinc pyrophosphate is obtained by precipitating zinc as a phosphate, then heating over 1123 K.

References

^ Lide, David R. (1998), Handbook of Chemistry and Physics (87 ed.), Boca Raton, FL: CRC Press, pp. 4–96, ISBN 0-8493-0594-2

Zinc compounds

ZnBr₂ Zn(CN)₂ ZnCl₂ Zn(ClO₃)₂ ZnCrO₄ ZnF₂ ZnH₂ ZnI₂ ZnMoO₄ Zn(NO₃)₂ ZnO ZnO₂ Zn(OH)₂ ZnS ZnSO₄ ZnSb ZnSe ZnTe Zn₂P₂O₇ Zn₃As₂ Zn₃N₂ Zn₃P₂ Zn₃(PO₄)₂