Freon 112
Freon 112 was used mainly as a refrigerant, but had other commercial uses, such as: fire repellants, chloroalkanes (chloroalkanes were used as fire suppressors on aircrafts during World War II), and propellants in aerosol cans. Freon 112 and other types of refrigerants were used from the early 1890s to the 1970s.