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:
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
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
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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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 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
Calcium tungstate: a convenient recoverable catalyst for hydrogen peroxide oxidation
Tressler CM, et al.
Green Chemistry, 18(18), 4875-4878 (2016)
Xuefeng Zhai et al.
Dalton transactions (Cambridge, England : 2003), 40(48), 12818-12825 (2011-09-01)
Rattle-type hollow nanocapsules are among of the most promising candidates as drug carriers owing to their huge inner space and multifunctional material combination. In this paper, rattle-type hollow CaWO(4):Tb(3+)@SiO(2) nanocapsules with a diameter of 100-110 nm and a wall thickness
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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