Definition of propylene in English:

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Pronunciation: /ˈprōpəˌlēn/


A gaseous hydrocarbon of the alkene series, made by cracking alkanes.
  • Alternative name: propene; chemical formula: C3H6
Example sentences
  • Specimens were dehydrated in a graded series of ethyl alcohol and propylene oxide solutions and embedded in araldite.
  • New metallocene catalysts are used in the preparation of new plastics, including new methods for the polymerization of alkenes such as ethylene and propylene.
  • Another major epoxide, propylene oxide, comes from propene reacting with organic hydroperoxides (more reactive equivalents of hydrogen peroxides).
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