Trifluoroethane

Trifluoroethane is a type of halocarbon, specifically a hydrofluorocarbon (HFC), that is commonly used in a variety of applications, including as a refrigerant, a propellant, and a fire extinguishing agent. It is a colorless, nonflammable gas that is heavier than air and has a slightly sweet odor.

Chemical Properties

Trifluoroethane, also known as HFC-143a, has the chemical formula C2H3F3. It is a hydrocarbon in which three of the hydrogen atoms have been replaced by fluorine atoms. This gives it unique properties, such as a low boiling point and high stability, that make it useful in a variety of applications.

Uses

Trifluoroethane is most commonly used as a refrigerant in air conditioning systems and refrigeration equipment. It is also used as a propellant in aerosol products, such as air dusters and inhalers. In addition, it is used as a fire extinguishing agent in fire suppression systems.

Health Effects

Exposure to trifluoroethane can cause a variety of health effects. Inhalation can cause dizziness, headache, nausea, and vomiting. High levels of exposure can cause loss of consciousness and even death. Skin contact can cause frostbite due to the low boiling point of the gas.

Environmental Impact

Trifluoroethane is a potent greenhouse gas, with a global warming potential over 4,000 times that of carbon dioxide. It is also a long-lived gas, with a lifetime in the atmosphere of over 50 years. This has led to concerns about its impact on climate change.

Regulation

Due to its environmental impact, the use of trifluoroethane is regulated in many countries. In the European Union, for example, it is banned in new air conditioning and refrigeration equipment.

See Also

• Hydrofluorocarbon
• Refrigerant
• Propellant
• Fire extinguishing agent