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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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
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)
Calcium tungstate: a convenient recoverable catalyst for hydrogen peroxide oxidation
Tressler CM, et al.
Green Chemistry, 18(18), 4875-4878 (2016)
Jaume Escoda-Francoli et al.
Journal of endodontics, 33(12), 1484-1489 (2007-11-27)
Damage to the inferior alveolar nerve is a relatively infrequent complication in dental practice. When root canal treatment of a lower molar or premolar surpasses and/or overextends beyond the apical foramen and invades the periapical zone, the foreign material introduced
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