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2021 High quality Sulfur Hexafluoride - Carbon Tetrafluoride – YANXA

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2021 High quality Sulfur Hexafluoride - 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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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for 2021 High quality Sulfur Hexafluoride - Carbon Tetrafluoride – YANXA , The product will supply to all over the world, such as: Colombia, United Kingdom, Florida, We will not only continuously introduce technical guidance of experts from both home and abroad, but also develop the new and advanced products constantly to satisfactorily meet the needs of our clients all over the world.
  • Wide range, good quality, reasonable prices and good service, advanced equipment, excellent talents and continuously strengthened technology forces,a nice business partner.
    5 Stars By Lydia from Argentina - 2017.04.28 15:45
    A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Jack from Monaco - 2018.10.09 19:07
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