CAS: 1314-35-8
Molecular formula: WO3
Product code: 740800PD
Purity: 99.95%-99.998%
Specifications: – 425 mesh, – 325 mesh, etc.
EINECS Number: 215-231-4
Feature
Tungsten(VI) oxide, also known as tungsten trioxide or anhydrous tungsten, WO3, is a compound containing oxygen and the transition metal tungsten. It is an intermediate in the recovery of tungsten from minerals.
Chemical formula: WO3
Molar mass: 231.84 g/mol
Appearance: canary yellow powder
Density: 7.16 g/cm3
Melting point: 1,473 °C (2,683 °F; 1,746 K)
Boiling point: 1,700 °C (3,090 °F; 1,970 K) approximate
Solubility in water: insoluble
Solubility: slightly soluble in HF
Magnetic susceptibility (χ): -15.8•10−6 cm3/mole
Application
In addition to metal tungsten, yellow tungsten trioxide can also be used as a pigment in ceramics and coatings. Tungsten trioxide is also used in infrared non-contact window control systems.
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