chloroprene

 
Pronunciation: /ˈklɔːrə(ʊ)prɪːn, ˈklɒ-/

noun

[mass noun] Chemistry
  • a colourless liquid made from acetylene and hydrochloric acid and polymerized to form neoprene.
    • Chemical formula: CH2CClCHCH2

Origin:

1930s: from chloro- + a shortened form of isoprene