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
EC Number:
MDL number:
UNSPSC Code:
12352300
PubChem Substance ID:
NACRES:
NA.23
Recommended Products
form
powder
density
6.06 g/mL at 25 °C (lit.)
SMILES string
[Ca++].[O-][W]([O-])(=O)=O
InChI
1S/Ca.4O.W/q+2;;;2*-1;
InChI key
FDMFQOCGNBYKPY-UHFFFAOYSA-N
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.
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.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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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)
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
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)
S F Kapa et al.
Oral surgery, oral medicine, and oral pathology, 67(6), 750-759 (1989-06-01)
Laboratory and clinical studies with the use of rare earth intensifying screens and four different forms of heavy metal elements serving as additional beam filtration were performed for panoramic radiography to identify the most efficacious system. Balanced density images were
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