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| Names | |
|---|---|
| Other names
2-ethylidene-5-norbornene
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| Identifiers | |
PubChem CID
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| UNII | |
CompTox Dashboard (EPA)
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| Properties | |
| C9H12 | |
| Molar mass | 120.195 g·mol−1 |
| Appearance | colorless liquid |
| Density | 0.893 g/mL |
| Melting point | −80 °C (−112 °F; 193 K) |
| Boiling point | 146 °C (295 °F; 419 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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. The compound consists of E- and Z-stereoisomers, but the mixtures are typically not separated.