| 释义 |
iso·butylene
\| ̷ ̷ ̷ ̷ at iso-+\ noun
Etymology: International Scientific Vocabulary is- + butylene
: the branched-chain gaseous butylene (CH3)2C = CH2 obtainable from isobutane by dehydrogenation and used chiefly in making butyl rubber and gasoline components and in alkylating aromatic hydrocarbons — called also 2-methylpropene |