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C4F8 gas, also known as octafluorocyclobutane, is a chemical compound composed of carbon and fluorine. Its molecular formula is C4F8. Here are some key points about C4F8 gas:
Formation: C4F8 gas can be produced by the reaction of
tetrafluoroethylene (CF2=CF2) with fluorine gas (F2). The reaction
can be represented as follows:
CF2=CF2 + 4F2 → C4F8
Physical properties: C4F8 is a colorless, odorless gas at room temperature and pressure. It has a boiling point of -16.3 °C (-1.3 °F) and a melting point of -97.9 °C (-144.2 °F). It is relatively stable and non-reactive under normal conditions.
Chemical properties: Octafluorocyclobutane is a highly stable compound with low reactivity. It is non-flammable, non-toxic, and non-corrosive. It is also electrically insulating, making it useful in certain electrical applications.
Uses: C4F8 gas has various applications, primarily in the electronics industry. It is commonly used as a dielectric gas in plasma etching processes for semiconductor manufacturing. It is particularly effective in etching silicon dioxide (SiO₂) and silicon nitride (Si₃N₄) materials. C4F8 gas is also utilized in the production of photovoltaic cells and flat-panel displays.
Environmental impact: Octafluorocyclobutane is a greenhouse gas with a high global warming potential (GWP). It has a significantly higher GWP than carbon dioxide (CO₂) over a 100-year time frame. As a result, efforts are being made to monitor and reduce the emissions of C4F8 and other fluorinated gases to mitigate their environmental impact.
It's important to note that if you are working with or handling C4F8 gas, it should be done so with caution. Proper safety protocols, including the use of appropriate protective equipment and adherence to handling guidelines, should be followed.
DOT Class | 2.2 | Un No | 1976 |
Cylinde | DOT/ISO/GB | Cylinder Pressure | 15MPa/20MPa |
Valve | Cga580 | Melting Point | -41.4 ºC |
Appearance | Colorless, Odorless | Boiling Point | -6 ºC |
Density | 6.9 Kg/M | Molecular Weight | 200.03 |
Transport Package | 40L, 47L, 50L | Specification | 100.00% |
Trademark | CMC | Origin | China |
HS Code | 29038900 | Production Capacity | 100, 000 Tons/Year |
Specification:
CAS No.: 115-25-3
EINECS No.: 204-075-2
UN No.: UN1976
Purity: 99.999%
Dot Class: 2.2
Appearance: Colorless, Odorless
Grade Standard: Electronic Grade
Shanghai Kemike Chemical Co., Ltd is staffed by trained
personnel, combine many years experience in Gas industry .We supply
cylinder gas, electronic gas, etc ., and the gas holder, panel,
valves and fittings and other equipment, parts and engineering
services to our customers in China and worldwide; The products are
involved in various industrial fields, such as semiconductor chip,
solar cell, LED, TFT-LCD, optical fiber, glass, laser, medicine ,
etc., Our mission is to partner with our global customers to
provide support, solutions and quality products that are
innovative,reliable, and safe.
Our products mainly include: H2, O2, N2, Ar, CO2, propane,
acetylene, helium, laser mixed gas, SiH4, Sih2cl2, SiHCL3,
SiCL4, NH3, CF4, NF3, SF6, HCL, N2O, doping mixed gas (TMB, PH3,
B2H6) and other electronic gases.