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  • China Cheap price R 14 - Carbon Tetrafluoride – YANXA

China Cheap price R 14 - Carbon Tetrafluoride – YANXA

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China Cheap price R 14 - 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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We pursue the management tenet of Quality is remarkable, Company is supreme, Name is first, and will sincerely create and share success with all clientele for China Cheap price R 14 - Carbon Tetrafluoride – YANXA , The product will supply to all over the world, such as: Bogota, Brunei, Anguilla, With the principle of win-win, we hope to help you make more profits in the market. An opportunity is not to be caught, but to be created. Any trading companies or distributors from any countries are welcomed.
    • We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
    5 Stars By Myra from Slovak Republic - 2018.11.06 10:04
    The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
    5 Stars By Christine from Sri Lanka - 2017.02.14 13:19
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