1,3-Cycloheptadiene is a highly flammable cycloalkene that occurs as a colorless clear liquid.
Names | |
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Preferred IUPAC name
Cyclohepta-1,3-diene | |
Other names
1,3-Cycloheptadiene
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Identifiers | |
3D model (JSmol)
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Abbreviations | 1,3-CHDN |
1900733 | |
ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.021.603 |
EC Number |
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1656 | |
MeSH | 1,3-cycloheptadiene |
PubChem CID
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UN number | 3295 |
CompTox Dashboard (EPA)
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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)
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1.498 |
Thermochemistry | |
Heat capacity (C)
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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).
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