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Merck
CN

248665

Sigma-Aldrich

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
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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

Regulatory Information

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Michele Di Foggia et al.
Journal of inorganic biochemistry, 193, 84-93 (2019-01-28)
Dentin remineralization is of clinical relevance in the therapy of caries and dentin hypersensitivity. This study is aimed at gaining more insights on a molecular scale, through IR spectroscopy, into dentin demineralization and remineralization. The dentin demineralization by ethylenediaminetetraacetic acid
Ana Lívia Gomes Cornélio et al.
Journal of endodontics, 37(2), 203-210 (2011-01-18)
The aim of this study was to investigate the cytotoxicity of white Portland cement (PC) alone or associated with bismuth oxide (PCBi), zirconium oxide (PCZir), and calcium tungstate (PCCa) in 2 cell lineages. Murine periodontal ligament cells (mPDL) and rat
D A Tyndall et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 93(5), 400-412 (1988-05-01)
Various methods have been proposed and investigated for the purpose of reducing radiation exposures in cephalometric radiography. The purpose of this investigation was to use various dose-reducing methods from four major categories--(1) rare-earth intensifying screens, (2) rare-earth filtration, (3) prepatient
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
Folic Acid-Conjugated Radioluminescent Calcium Tungstate Nanoparticles as Radio-Sensitizers for Cancer Radiotherapy
Pizzuti VJ, et al.
ACS biomaterials science & engineering, 5(9), 4776-4789 (2019)

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