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1314-35-8 - Tungsten(VI) oxide, 99.8% (metals basis) - Tungsten trioxide - Tungstic anhydride - 11828 - Alfa Aesar

11828 Tungsten(VI) oxide, 99.8% (metals basis)

CAS-Nummer
1314-35-8
Synonyme
Tungsten trioxide
Tungstic anhydride

Größe Preis ($) Menge Verfügbarkeit
100g 57,02
500g 162,97
2kg 470,71
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Tungsten(VI) oxide, 99.8% (metals basis)

MDL
MFCD00011466
EINECS
215-231-4

Chemische Eigenschaften

Formel
O3W
Molmasse
231.85
Form
10-25 Micron Powder
Schmelzpunkt
1473°
Dichte
7.16
Löslichkeit
Tungsten (VI) oxide is soluble in hot alkali solutions. Insoluble in water and acids. Slightly soluble in hydrofluoric acid.

Anwendungen

It is used in tungsten and tungstate manufacturing which are used as X-ray screens and for fire proofing fabrics. It is used as a ceramic pigment. Nanowires of Tungsten (VI) oxide are capable of absorbing a higher percentage of the sun radiation since it absorbs blue light.

Bemerkungen

Stable under normal temperatures and pressures. It must be stored in a cool, dry, well-ventilated area and in a tightly closed container.

Literaturverweise

Aslam, M.; Ismail, I. M.; Chandrasekaran, S.; Hameed, A. Morphology controlled bulk synthesis of disc-shaped WO3 powder and evaluation of its photocatalytic activity for the degradation of phenols. J. Hazard Mater. 2014, 276, 120-128.

Cheng, K.; Liu, J.; Zhang, T.; Zhao, Z.; Wei, Y.; Jiang, G.; Duan, A. Effect of Ce doping of TiO2 support on NH3-SCR activity over V2O5-WO3/CeO2-TiO2 catalyst. J. Environ. Sci. 2014, 26, 2106-2113.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H302

Harmful if swallowed.

Sicherheitshinweise: P264-P270-P301+P312-P330-P501a

Wash thoroughly after handling. Do not eat, drink or smoke when using this product. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Merck
14,9817
Harmonized Tariff Code
2825.90
TSCA
Yes
RTECS
YO7760000

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