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2021 wholesale price Sf6 - Carbon Tetrafluoride – YANXA

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2021 wholesale price Sf6 - 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 usually continually offer you the most conscientious consumer services, along with the widest variety of designs and styles with finest materials. These initiatives include the availability of customized designs with speed and dispatch for 2021 wholesale price Sf6 - Carbon Tetrafluoride – YANXA , The product will supply to all over the world, such as: Swedish, Swaziland, Salt Lake City, Due to good quality and reasonable prices, our items have been exported to more than 10 countries and regions. We are looking forward to cooperating with all customers from at home and abroad. Moreover, customer satisfaction is our eternal pursuit.
  • We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Ivan from Albania - 2018.12.11 14:13
    Product quality is good, quality assurance system is complete, every link can inquire and solve the problem timely!
    5 Stars By Edward from Argentina - 2018.12.30 10:21
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