Tungsten (VI) Oxide, WO₃, 99.99% 4N High Purity Powder

Product Number: PO2303 (100 g), PO2304 (500 g), PO2305 (1 kg)
Formula: WO₃
CAS Number: 1314-35-8
Molecular Weight: 231.84 g/mol
Density: 7.16 g/cm³ at 25°C
Melting Point: 1,473°C
Color: yellow
Form: particles of 1-3 mm in size
Solubility: Insoluble in water. Slightly soluble in HF.
Purity: 99.99% 4N (trace metals basis)

Applications

WO₃ (Tungsten Oxide or Tungsten Trioxide) powder is used in ceramics, glass, phosphors, lasers, and in electrochromic windows. WO₃ is commonly used as an host raw material in making optical materials. It is also used in catalysis applications.

Notes: More detailed product information including SDS, certificate of analysis (COA), lead time and volume pricing are available upon request.

Product Specifications
Trace Metal Impurities (ppm) by ICP
Fe	<6	Mn	<5
As	<8	Mg	<8
Si	<8	Cu	<7
Al	<5	Ca	<11
Pb	<1.6	Cr	<3.5

References

Characterization of WO₃ Thin Films Grown on Silicon by HFMOD, J. Díaz-Reyes, R. Castillo-Ojeda, M. Galván-Arellano, and O. Zaca-Moran - Advances in Condensed Matter Physics, Vol. 2013 pg 9 (2013)

Intrinsic Defects and H Doping in WO₃. J. Zhu, M. Vasilopoulou, D. Davazoglou, S. Kennou, A. Chroneos, and U. SCHwingenschlogl - Sci Rep Vol. 7, Pg. 40882 (2017).

A Review on Tungsten Oxide (WO₃) and their Derivatives for Sensor Applications, V. Hariharan, B. Gnanavel, R. Sathiyapriya, and V. Aroulmoji – Int. J. Adv. Sci. Enj. Vol.5 No.4 pg 1163 (2019)

Solid-State Solar Energy Conversion from WO₃ Nano and Microstructures with Charge Transportation and Light-Scattering Characteristics, J. Moon, W. Shin, J. T. Park, and H. Jang – Nanomaterials, Vol. 9 No. 12 Pg 1797 (2019)