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HomeProduct name listBARIUM PYROPHOSPHATE

BARIUM PYROPHOSPHATE

Synonym(s):Barium diphosphate;Barium phosphate;Dibarium diphosphate;Dibarium pyrophosphate

  • CAS NO.:13466-21-2
  • Empirical Formula: Ba2O7P2
  • Molecular Weight: 448.6
  • MDL number: MFCD00049850
  • EINECS: 236-716-7
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-10-17 17:11:58
BARIUM PYROPHOSPHATE Structural

What is BARIUM PYROPHOSPHATE?

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.

Chemical properties

White powder. Soluble in acids and ammonium salts; very slightly soluble in water.

The Uses of BARIUM PYROPHOSPHATE

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.

Properties of BARIUM PYROPHOSPHATE

Density  3.900
solubility  soluble in acid solutions
form  white powder
color  white
Water Solubility  0.01 g/100mL H2O; soluble acids, NH4 salts [CRC10] [HAW93]
Solubility Product Constant (Ksp) pKsp: 10.5
CAS DataBase Reference 13466-21-2
EPA Substance Registry System Diphosphoric acid, barium salt (1:2) (13466-21-2)

Safety information for BARIUM PYROPHOSPHATE

Signal word Warning
Pictogram(s)
ghs
Exclamation Mark
Irritant
GHS07
Precautionary Statement Codes P261:Avoid breathing dust/fume/gas/mist/vapours/spray.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P271:Use only outdoors or in a well-ventilated area.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

Computed Descriptors for BARIUM PYROPHOSPHATE

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