1,3-Cycloheptadiene

1,3-Cycloheptadiene
Names
	Preferred IUPAC name Cyclohepta-1,3-diene
	Other names 1,3-Cycloheptadiene
Identifiers
CAS Number	4054-38-0 ;
3D model (JSmol)	Interactive image ;
Abbreviations	1,3-CHDN
Beilstein Reference	1900733
ChEBI	CHEBI:37611 ;
ChemSpider	24849713 ;
ECHA InfoCard	100.021.603
EC Number	223-762-8;
Gmelin Reference	1656
MeSH	1,3-cycloheptadiene
PubChem CID	19969 ;
UN number	3295
CompTox Dashboard (EPA)	DTXSID40193566 ;
	SMILES C1CC=CC=CC1;
Properties
Chemical formula	C7H10
Molar mass	94.157 g·mol−1
Appearance	Colorless liquid
Density	0.868 g cm−3
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 (So298)	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 pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H340, H350, H373
GHS precautionary statements	P201, P210, P308+313
NFPA 704 (fire diamond)	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 [77 °F], 100 kPa).
	Infobox references

Last updated April 16, 2021

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

References

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v t e Cycloalkenes
Alkenes	Cyclopropene Cyclobutene Cyclopentene Cyclohexene Cycloheptene Cyclooctene Cyclononene Cyclodecene
Dienes	Cyclobutadiene Cyclopentadiene Cyclohexadiene 1,3-Cyclohexadiene 1,4-Cyclohexadiene Cycloheptadiene 1,3-Cycloheptadiene 1,4-Cycloheptadiene Cyclooctadiene 1,5-Cyclooctadiene
Trienes	Benzene Cycloheptatriene
Tetraenes	Cyclooctatetraene Cyclononatetraene

Names

Preferred IUPAC name Cyclohepta-1,3-diene
Other names 1,3-Cycloheptadiene
Identifiers
CAS Number	4054-38-0 ^Y
3D model (JSmol)	Interactive image
Abbreviations	1,3-CHDN
Beilstein Reference	1900733
ChEBI	CHEBI:37611 ^Y
ChemSpider	24849713 ^Y
ECHA InfoCard	100.021.603
EC Number	223-762-8
Gmelin Reference	1656
MeSH	1,3-cycloheptadiene
PubChem CID	19969
UN number	3295
CompTox Dashboard (EPA)	DTXSID40193566
SMILES C1CC=CC=CC1
Properties
Chemical formula	C₇H₁₀
Molar mass	94.157 g·mol⁻¹
Appearance	Colorless liquid
Density	0.868 g cm⁻³
Boiling point	120.6 °C; 249.0 °F; 393.7 K
Refractive index (n_D)	1.498
Thermochemistry
Heat capacity (C)	J K⁻¹ mol⁻¹
Std molar entropy (S^o₂₉₈)	J K⁻¹ mol⁻¹
Std enthalpy of formation (Δ_fH^⦵₂₉₈)	kJ mol⁻¹
Std enthalpy of combustion (Δ_cH^⦵₂₉₈)	- kJ mol⁻¹
Hazards
GHS pictograms
GHS Signal word	Danger
GHS hazard statements	H225, H340, H350, H373
GHS precautionary statements	P201, P210, P308+313
NFPA 704 (fire diamond)	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 [77 °F], 100 kPa).
Infobox references