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1,3-Cycloheptadiene

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1,3-Cycloheptadiene
ball-and-stick structure, cis-cis isomer
Names
Preferred IUPAC name Cyclohepta-1,3-diene
Other names 1,3-Cycloheptadiene
Identifiers
CAS Number
3D model (JSmol)
Abbreviations 1,3-CHDN
Beilstein Reference 1900733
ChEBI
ChemSpider
ECHA InfoCard 100.021.603 Edit this at Wikidata
EC Number
  • 223-762-8
Gmelin Reference 1656
MeSH 1,3-cycloheptadiene
PubChem CID
UN number 3295
CompTox Dashboard (EPA)
SMILES
  • C1CC=CC=CC1
Properties
Chemical formula C7H10
Molar mass 94.157 g·mol
Appearance Colorless liquid
Density 0.868 g cm
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 mol
Std molar
entropy (S298) 		J K mol
Std enthalpy of
formation (ΔfH298) 		kJ mol
Std enthalpy of
combustion (ΔcH298) 		- kJ mol
Hazards
GHS labelling:
Pictograms GHS02: Flammable GHS08: Health hazard
Signal word Danger
Hazard statements H225, H340, H350, H373
Precautionary statements P201, P210, P308+P313
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 3: Liquids and solids that can be ignited under almost all ambient temperature conditions. Flash point between 23 and 38 °C (73 and 100 °F). E.g. gasolineInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2 3 0
Flash point 11 °C (52 °F; 284 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

1,3-Cycloheptadiene is a highly flammable cycloalkene that occurs as a colorless clear liquid.

References

Cycloalkenes
Alkenes
Dienes
Trienes
Tetraenes
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