ethylene

(eth′ĭ-lēn″ )

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[ ethyl + -ene ]
A flammable, explosive, colorless gas, CH₂CH₂, prepared from alcohol by dehydration. It is present in illuminating gas. It is colorless and has a sweetish taste but a pungent, foul odor. It is lighter than air and diffuses when liberated.
CAS #75-21-8

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