Cross. An abbreviation.
Chloroprene is the common name for the organic compound 2-chloro-1,3-butadiene, which has the formula CH2=CCl-CH=CH2. This colorless liquid is the monomer for the production of the polymer polychloroprene, a type of synthetic rubber. Polychloroprene is better known to the public as Neoprene, the trade name given by DuPont.