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单词 heptane
释义

heptane

/ˈhɛpteɪn /
noun Chemistry
A colourless liquid hydrocarbon of the alkane series, present in petroleum spirit.
  • Chemical formula: C7H16; several isomers, especially the straight-chain isomer (n-heptane).
They are rated based on their ability to resist knocking against a standard mixture of two hydrocarbons, isooctane and heptane....
  • Stereochemical isomers are also possible with the alkanes, beginning with heptane.
  • The reactants and the catalyst remained in the heptane layer, which was recycled by adding additional acylating agent and fresh aqueous ethanol.

Origin

Late 19th century: from hepta- 'seven' (denoting seven carbon atoms) + -ane2.

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更新时间:2024/9/20 15:44:37