C8H8

from The Collaborative International Dictionary of English v.0.48
Styrolene \Sty"ro*lene\, n. (Chem.)
   An unsaturated hydrocarbon, {C8H8}, obtained by the
   distillation of storax, by the decomposition of cinnamic
   acid, and by the condensation of acetylene, as a fragrant,
   aromatic, mobile liquid; -- called also {phenyl ethylene},
   {vinyl benzene}, {styrol}, {styrene}, and {cinnamene}.
   [1913 Webster]
    

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