| |
| Names | |
|---|---|
| Preferred IUPAC name
Cyclohepta-1,3-diene | |
| Other names
1,3-Cycloheptadiene
| |
| Identifiers | |
3D model (JSmol)
|
|
| Abbreviations | 1,3-CHDN |
| 1900733 | |
| ChEBI | |
| ChemSpider | |
| ECHA InfoCard | 100.021.603 |
| EC Number |
|
| 1656 | |
| MeSH | 1,3-cycloheptadiene |
PubChem CID
|
|
| UN number | 3295 |
CompTox Dashboard (EPA)
|
|
| |
| Properties | |
| C7H10 | |
| Molar mass | 94.157 g·mol−1 |
| Appearance | Colorless liquid |
| Density | 0.868 g cm−3 |
| Melting point | −110.40 °C; −166.72 °F; 162.75 K |
| Boiling point | 120.6 °C; 249.0 °F; 393.7 K |
Refractive index (nD)
|
1.498 |
| Thermochemistry | |
Heat capacity (C)
|
J K−1 mol−1 |
Std molar
entropy (S⦵298) |
J K−1 mol−1 |
Std enthalpy of
formation (ΔfH⦵298) |
kJ mol−1 |
Std enthalpy of
combustion (ΔcH⦵298) |
- kJ mol−1 |
| Hazards | |
| GHS labelling: | |
 
| |
| Danger | |
| H225, H340, H350, H373 | |
| P201, P210, P308+P313 | |
| NFPA 704 (fire diamond) | |
| Flash point | 11 °C (52 °F; 284 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
| |
1,3-Cycloheptadiene is a highly flammable cycloalkene that occurs as a colorless clear liquid.