C4F8, octafluorocyclobutane, also known as perfluorocyclobutane, consists of four carbon atoms and eight fluorine atoms. Each carbon atom is connected to two F atoms, forming a fully fluorinated ring structure.
The physical and chemical properties of octafluorocyclobutane C4F8:
State: Gaseous at normal temperature and pressure, colorless and odorless
Boiling point:-5.85°C
Melting point:-45.6°C
Density: 9.52 kg/m3, much greater than the density of air, 1.29 kg/m:
Solubility: Basically insoluble in water, but soluble in some organic solvents
Stability: Very stable, chemically inert, high temperature resistant
Electrical insulation: High electrical insulation
Applications of Octafluorocyclobutane C4F8
High-purity octafluorocyclobutane (above 5N) is used as etchant and cleaning agent for VLSI. In recent years, with the rapid development of country's chemical, electronic and other industries, the demand for octafluorocyclobutane has increased year by year. The industry has developed rapidly and production capacity has expanded year by year. Up to now, Showa Electronics and Japan's Daikin (China) have an annual output of 750 tons. , Parite gas has an annual output of 220 tons. Domestic production capacity of high-purity octafluorocyclobutane has exceeded 2,000 tons/year.
Use as Refrigerant: C4F8 Can be used as a refrigerant especially in high-end applications where potential corrosion needs to be avoided.
Use as Fire extinguishing agent: C4F8 can be used as a fire extinguishing agent where waterless fire extinguishing is required, especially in fire extinguishing systems for electronic precision instruments.
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