C2H2F4, also known as 1,1,2,2-tetrafluoroethane, is a chemical compound that belongs to the group of hydrofluorocarbons (HFCs). It consists of two carbon atoms, two hydrogen atoms, and four fluorine atoms. This compound is often used as a refrigerant and in various industrial applications due to its low toxicity and effectiveness in heat transfer. In addition to its use in refrigeration, C2H2F4 is also utilized in the production of aerosol propellants and as a solvent in certain chemical processes. Its properties make it a suitable alternative to older refrigerants that are harmful to the ozone layer. However, like other HFCs, it is subject to regulations aimed at reducing greenhouse gas emissions.