Tungsten Hexafluoride Chemical Formula

Tungsten(VI) Fluoride, also known as Tungsten Hexafluoride is an inorganic chemical compound with chemical formula WF6. This is a corrosive, colorless, non-flammable gas and is 11 times heavier than air. WF6 gas is most commonly used in the production of semiconductor circuits and circuit boards through the process of chemical vapor deposition. It is produced by the exothermic reaction of fluorine gas with tungsten powder at a temperature between 350 and 400 °C, and the chemical reaction is represented below.

W + 3 F2 → WF6

Tungsten(VI) Fluoride

Chemical Name

Tungsten Hexafluoride

Other Name

:

Tungsten(VI) Fluoride

Chemical Formula

:

WF6

State

:

Gas

Category

:

Organic

Appearance

:

Colorless Gas

Molar Mass / Molecular Weight

:

297.83 g/mol

Molar Density

:

12.4 G/L (gas)4.56 G/cm3 (−9 °C, Solid)

Boiling Point

:

17.1 °C (62.8 °F; 290.2 K)

Melting Point

:

2.3 °C (36.1 °F; 275.4 K)

Tungsten(VI) Fluoride, also known as Tungsten Hexafluoride is an inorganic chemical compound with chemical formula WF6. This is a corrosive, colorless, non-flammable gas and is 11 times heavier than air. WF6 gas is most commonly used in the production of semiconductor circuits and circuit boards through the process of chemical vapor deposition. It is produced by the exothermic reaction of fluorine gas with tungsten powder at a temperature between 350 and 400 °C, and the chemical reaction is represented below.

W + 3 F2 → WF6

When solved with water, tungsten fluoride gives hydrogen fluoride (HF) and tungsten oxyfluorides, eventually forming tungsten trioxide. The molecular weight of Tungsten(VI) Fluoride is 297.830 g/mol. Its density is 12.4 g/L as gas, and 4.56 g/cm3 (−9 °C) as solid. The molecular shape of Tungsten hexafluoride is Octahedral.


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