cymene
/sahy-meen/US // ˈsaɪ min //UK // (ˈsaɪmiːn) //
西米恩,西米尼,西米妮,西米诺
Definitions
n.名词 noun
- 1
- : a colorless, pleasant-smelling benzene derivative, C10H14, occurring in the volatile oil of the common cumin, Cuminum cyminum, and existing in three forms, the ortho, meta, and para isomers.
Examples
Terebenthene belongs to the benzene or aromatic series, which can be shown from its connection with cymene.
Cymene is methylpropyl-benzene, and can be made from terpenes by removing two atoms of H.
By distillation with zinc chloride, cymene and other products are produced.
Besides a cymene and a toluene, which have already been shown to exist in rosin spirit, metaxylene was found to be present.
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