ethyne

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ethyne

(ĕth`īn), IUPAC name for acetyleneacetylene
or ethyne
, HC≡CH, a colorless gas. It melts at −80.8°C; and boils at −84.0°C;. Offensive odors often noted in commercial acetylene are due to impurities. Acetylene forms explosive mixtures with oxygen or air.
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ethyne

[′e‚thēn]
(organic chemistry)
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