248665
Calcium tungstate
powder
Synonym(s):
Calcium tungsten tetraoxide
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About This Item
Linear Formula:
CaWO4
CAS Number:
Molecular Weight:
287.92
NACRES:
NA.23
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
232-219-4
MDL number:
Product Name
Calcium tungstate, powder
InChI key
FDMFQOCGNBYKPY-UHFFFAOYSA-N
InChI
1S/Ca.4O.W/q+2;;;2*-1;
SMILES string
[Ca++].[O-][W]([O-])(=O)=O
form
powder
density
6.06 g/mL at 25 °C (lit.)
Quality Level
Related Categories
Application
CaWO4 can be used in the fabrication of a radio-sensitizer for cancer radiotherapy applications. It can also be used as a catalyst for the oxidation of organic substrates with hydrogen peroxide.
General description
Calcium tungstate (CaWO4) is an optical material, which can be used as a laser host material for a variety of electronic applications. It has a scheelite structure with luminescence, and thermo-luminescence properties.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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Calcium tungstate: a convenient recoverable catalyst for hydrogen peroxide oxidation
Tressler CM, et al.
Green Chemistry, 18(18), 4875-4878 (2016)
L J Wesselius et al.
The Journal of laboratory and clinical medicine, 127(4), 401-409 (1996-04-01)
Extracellular iron present in alveolar structures may contribute to oxidative lung injury induced by toxic mineral dusts by enhancing dust-induced generation of hydroxyl radicals. Alveolar macrophages (AMs) can sequester iron within ferritin and limit generation of hydroxyl radicals. In the
Controlled synthesis of calcium tungstate hollow microspheres via ostwald ripening and their photoluminescence property
Wang W, et al.
The Journal of Physical Chemistry C, 112(49), 19390-19398 (2008)
L J Skoczylas et al.
Oral surgery, oral medicine, and oral pathology, 68(6), 776-781 (1989-12-01)
The radiation dose to radiobiologically critical organs at various anatomic sites in a phantom was compared with the use of rare earth screen/film combinations and calcium tungstate screen/film combinations. Rare earth screens and films produced a reduction in dose up
Zhenling Wang et al.
Journal of nanoscience and nanotechnology, 7(2), 602-609 (2007-04-25)
Nano-submicrostructured CaWO4, CaWO4 : Pb2+ and CaWO4 : Tb3+ particles were prepared by polyol method and characterized by X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier transform infrared spectra (FT-IR), thermogravimetry-differential thermal analysis (TG-DTA)
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