Definition of mesitylene in English:

mesitylene

noun

Chemistry
  • A colourless aromatic hydrocarbon, isomeric with cumene, obtainable from petroleum or by distillation of acetone with sulphuric acid; 1,3,5-trimethylbenzene, C₆H₃(CH₃)₃.

Origin

Mid 19th century. From mesityl + -ene.

Pronunciation

mesitylene

/mɪˈsɪtɪliːn/