What is the CAS number of Tungsten(vi) Chloride?
Tungsten(vi) Chloride, with the chemical formula WCl₆ and CAS number 13283-01-7, is a dark blue or black crystal. It has a relatively high melting point of about 275°C and a boiling point of about 347°C at normal pressure. The compound is highly reactive and sensitive to moisture. It is easily hydrolyzed in water, releasing hydrogen chloride gas.
What is Tungsten(Vi) Chloride commonly used for?
- Catalysis in Chemical Reactions
One of the primary uses of Tungsten(VI) Chloride is as a catalyst in numerous chemical reactions. It can effectively speed up reactions such as polymerization processes, helping to create various polymers with specific properties. For example, in the synthesis of certain specialty plastics, its catalytic action enables more efficient production and better control over the molecular structure of the final product.

- Material Coating and Deposition
Tungsten(VI) Chloride is also crucial in the field of material science for coating and deposition processes. It can be used in chemical vapor deposition (CVD) techniques to deposit tungsten - based thin films on different substrates. These films are often used in semiconductor manufacturing to improve the electrical conductivity and stability of electronic devices, or in wear - resistant coatings for tools and machine parts, enhancing their durability.
- Research and Development
In academic and industrial research, Tungsten(VI) Chloride serves as an important reagent. Scientists use it to study new chemical reactions, develop novel materials, and explore its potential applications in emerging technologies. Its unique reactivity and properties make it a valuable substance for pushing the boundaries of scientific knowledge and technological innovation.
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