Nickel(II) phosphate

Nickel(II) phosphate is an inorganic compound with the formula Ni₃(PO₄)₂. It is a mint green paramagnetic solid that is insoluble in water.^[3]

Nickel(II) phosphate

Names
IUPAC name Nickel(2+) diphosphate
Other names Nickel(III) phosphate, nickel diphosphate
Identifiers
CAS Number	10381-36-9 Y
3D model (JSmol)	Interactive image
ChemSpider	145362
ECHA InfoCard	100.030.755
EC Number	233-844-5
PubChem CID	165868
UNII	S0S2HKR70L Y
CompTox Dashboard (EPA)	DTXSID20889591
InChI InChI=1S/3Ni.2H3O4P/c;;;2*1-5(2,3)4/h;;;2*(H3,1,2,3,4)/q3*+2;;/p-6 Key: AFYAQDWVUWAENU-UHFFFAOYSA-H
SMILES [O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[Ni+2].[Ni+2].[Ni+2]
Properties
Chemical formula	Ni3(PO4)2
Molar mass	366.022924 g/mol
Density	4.38 g/cm3
Solubility product (Ksp)	4.74×10−32[1]
Structure[2]
Crystal structure	Monoclinic, mP26
Space group	P21/c, No. 14
Lattice constant	a = 0.58273 nm, b = 0.46964 nm, c = 1.01059 nm α = 90°, β = 91.138°, γ = 90°
Hazards
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H317, H334, H372, H410
Precautionary statements	P203, P260, P261, P264, P270, P272, P273, P280, P284, P302+P352, P304+P340, P318, P319, P321, P333+P317, P342+P316, P362+P364, P391, P405, P501
NFPA 704 (fire diamond)	2 0 0
Safety data sheet (SDS)	www.fishersci.com
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Hydrated nickel(II) phosphate

The hydrate Ni₃(PO₄)₂·8(H₂O) is a light green solid, which can be prepared by hydrothermal synthesis^[4] and also occurs as the mineral arupite. It features octahedral Ni centers, which are bound to water and phosphate.^[5]

Ni phosphate nanorings and nanotubes. Scale bar 50 nm.^[6]