China PriceList for Sulphur Hexafluoride Uses - Carbon Tetrafluoride – YANXA factory and manufacturers

PriceList for Sulphur Hexafluoride Uses - Carbon Tetrafluoride – YANXA

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PriceList for Sulphur Hexafluoride Uses - Carbon Tetrafluoride – YANXA Detail:

Tetrafluoromethane, also known as carbon tetrafluoride, is the simplest fluorocarbon (CF4). It has a very high bonding strength due to the nature of the carbon–fluorine bond. It can also be classified as a haloalkane or halomethane. Because of the multiple carbon–fluorine bonds, and the highest electronegativity of fluorine, the carbon in tetrafluoromethane has a significant positive partial charge which strengthens and shortens the four carbon–fluorine bonds by providing additional ionic character. Tetrafluoromethane is a potent greenhouse gas.

Tetrafluoromethane is sometimes used as a low temperature refrigerant. It is used in electronics microfabrication alone or in combination with oxygen as a plasma etchant for silicon, silicon dioxide, and silicon nitride.

Chemical formula	CF4	Molecular weight	88
CAS No.	75-73-0	EINECS No.	200-896-5
Melting point	-184℃	Boling point	-128.1℃
solubility	Insoluble in water	Density	1.96g/cm³（-184℃）
Appearance	A colorless, odorless, nonflammable, compressible gas	Application	used in plasma etching process for various integrated circuits, and used also as laser gas, refrigerant etc.
DOT ID Number	UN1982	DOT/IMO SHIPPING NAME:	Tetrafluoromethane, Compressed or Refrigerant Gas R14
		DOT Hazard Class	Class 2.2

Item	Value, grade I	Value, grade II	Unit
Purity	≥99.999	≥99.9997	%
O₂	≤1.0	≤0.5	ppmv
N₂	≤4.0	≤1.0	ppmv
CO	≤0.1	≤0.1	ppmv
CO₂	≤1.0	≤0.5	ppmv
SF₆	≤0.8	≤0.2	ppmv
Other fluorocarbons	≤1.0	≤0.5	ppmv
H₂O	≤1.0	≤0.5	ppmv
H₂	≤1.0	——	ppmv
Acidity	≤0.1	≤0.1	ppmv
*other fluorocarbons refer to C₂F₆、C₃F₈

Notes
1) all the technical data indicated above are for your reference.
2) alternative specification is welcome for further discussion.

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Carbon Tetrafluoride

Freon-14

Gas Sulfur Hexafluoride

Hexafluoride

Sulfur Hexafluoride

Sulfur Hexafluoride Gas

Sulphur Hexafluoride

Sulphur Hexafluoride Gas

Sulphur Hexafluoride Uses

Tetrafluoromethane

The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.

By Gustave from Swansea - 2018.12.28 15:18

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.

By Dawn from Pakistan - 2018.11.22 12:28

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