| Identification | Back Directory | [Name]
BARIUM PYROPHOSPHATE | [CAS]
13466-21-2 | [Synonyms]
dibarium diphosphate
BARIUM PYROPHOSPHATE
Dibarium pyrophosphate
BARIUM PHOSPHATE (PYRO)
barium(2+),phosphonato phosphate
Barium pyrophosphate powder, -200 mesh, 99.9% trace metals basis | [EINECS(EC#)]
236-716-7 | [Molecular Formula]
Ba2O7P2 | [MDL Number]
MFCD00049850 | [MOL File]
13466-21-2.mol | [Molecular Weight]
448.6 |
| Hazard Information | Back Directory | [Chemical Properties]
White powder. Soluble in acids and ammonium salts; very slightly soluble in water. | [Description]
Barium pyrophosphate has the molecular formula of
Ba2P2O7 and the molecular weight of 448.5973 g/mol. It
has the CAS number of 13466-21-2 and may be prepared
by the solid-state reaction of the dibasic orthophosphate,
or alternately by the precipitation of a soluble Ba salt
with aqueous pyrophosphoric acid:
2Ba HPO4 + heat ? Ba2P2O7 +H2O
BaCl2 (aq) +H4P2O7 (aq) ? Ba2P2O7 (s) + 2HCl (aq)
The solution method produces a dihydrate,
Ba2P2O7·2H2O. | [Uses]
Ba2P2O7 is a promising phosphor host material, showing different emission properties upon doping with rare earth and other elements. Bi doped Ba2P2O7 crystals exhibit broadband NIR photoluminescence. |
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