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Ethylidene norbornene (ENB) is an organic compound that consists of an ethylidene (CH3C(H)=) group attached to norbornene. It is a colorless liquid. The molecule consists of two sites of unsaturation, one of which participates in the copolymerization and the second of which (the ethylidene) undergoes vulcanization. It is a monomer in the production of the commercial polymer EPDM. The compound consists of E- and Z-stereoisomers, but the mixtures are not separated.

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  • Ethylidene norbornene (ENB) is an organic compound that consists of an ethylidene (CH3C(H)=) group attached to norbornene. It is a colorless liquid. The molecule consists of two sites of unsaturation, one of which participates in the copolymerization and the second of which (the ethylidene) undergoes vulcanization. It is a monomer in the production of the commercial polymer EPDM. The compound consists of E- and Z-stereoisomers, but the mixtures are not separated. It is prepared by isomerization of vinyl norbornene, which in turn is obtained by the Diels-Alder reaction of butadiene and cyclopentadiene. (en)
  • 5-ethylideen-2-norborneen of ENB is een gebrugde organische verbinding met als brutoformule C9H12, afgeleid van norborneen. De stof komt voor als een witte tot kleurloze vluchtige vloeistof met een kenmerkende geur, die quasi-onoplosbaar is in water (± 8 mg/L). Dit is te wijten aan het hydrofobe karakter van de stof. (nl)
  • 5-エチリデン-2-ノルボルネン(英: 5-Ethylidene-2-norbornene)は、化学式C9H12で表される環状オレフィンモノマーの一種で、合成ゴムの原料となる。ENBとも略記される。 (ja)
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  • 2-ethylidene-5-norbornene (en)
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  • ENBisomers.png (en)
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  • 5-ethylideen-2-norborneen of ENB is een gebrugde organische verbinding met als brutoformule C9H12, afgeleid van norborneen. De stof komt voor als een witte tot kleurloze vluchtige vloeistof met een kenmerkende geur, die quasi-onoplosbaar is in water (± 8 mg/L). Dit is te wijten aan het hydrofobe karakter van de stof. (nl)
  • 5-エチリデン-2-ノルボルネン(英: 5-Ethylidene-2-norbornene)は、化学式C9H12で表される環状オレフィンモノマーの一種で、合成ゴムの原料となる。ENBとも略記される。 (ja)
  • Ethylidene norbornene (ENB) is an organic compound that consists of an ethylidene (CH3C(H)=) group attached to norbornene. It is a colorless liquid. The molecule consists of two sites of unsaturation, one of which participates in the copolymerization and the second of which (the ethylidene) undergoes vulcanization. It is a monomer in the production of the commercial polymer EPDM. The compound consists of E- and Z-stereoisomers, but the mixtures are not separated. (en)
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  • Ethylidene norbornene (en)
  • 5-エチリデン-2-ノルボルネン (ja)
  • 5-ethylideen-2-norborneen (nl)
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