248665

Calcium tungstate

powder

• Synonym(s): Calcium tungsten tetraoxide
• Linear Formula: CaWO₄
• CAS Number: 7790-75-2
• Molecular Weight: 287.92
• EC Number: 232-219-4
• MDL number: MFCD00010913
• UNSPSC Code: 12352300
• PubChem Substance ID: 24854944
• NACRES: NA.23

Properties

• form: powder
• Quality Level: 100
• 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

Description

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.

Safety Information

• 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