Cyclohexane

Cyclohexane
Cyclohexane	3D structure of a cyclohexane molecule
Skeletal formula of cyclohexane in its chair conformation	Ball-and-stick model of cyclohexane in its chair conformation
Names
	Preferred IUPAC name Cyclohexane[1]
	Other names Hexanaphthene (archaic)[2]
Identifiers
CAS Number	110-82-7 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:29005 ;
ChEMBL	ChEMBL15980 ;
ChemSpider	7787 ;
DrugBank	DB03561 ;
ECHA InfoCard	100.003.461
KEGG	C11249 ;
PubChem CID	8078;
UNII	48K5MKG32S ;
CompTox Dashboard (EPA)	DTXSID4021923 ;
	SMILES C1CCCCC1;
Properties
Chemical formula	C6H12
Molar mass	84.16 g·mol−1
Appearance	Colorless liquid
Odor	Sweet, gasoline-like
Density	0.7781 g/mL, liquid
Melting point	6.47 °C (43.65 °F; 279.62 K)
Boiling point	80.74 °C (177.33 °F; 353.89 K)
Solubility in water	Immiscible
Solubility	Soluble in ether, alcohol, acetone ; Miscible with olive oil
Vapor pressure	78 mmHg (20 °C)[3]
Magnetic susceptibility (χ)	-68.13·10−6 cm3/mol
Refractive index (nD)	1.42662
Viscosity	1.02 cP at 17 °C
Thermochemistry
Std enthalpy of; formation ΔfHo298	-156 kJ/mol
Std enthalpy of; combustion ΔcHo298	-3920 kJ/mol
Hazards
EU classification	F Template:Hazchem Xn N
	3 1 0
R-phrases	R11, R38, R65, R67, R50/53
S-phrases	(S2), S9, S16, S25, S33, S60, S61, S62
Explosive limits	1.3%-8%[3]
U.S. Permissible; exposure limit (PEL)	TWA 300 ppm (1050 mg/m3)[3]
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Cyclohexane is the cycloalkane molecule with the formula C
₆H
₁₂, with 6 carbon atoms connected to each other in a ring shape, and each connected to two hydrogen atoms. It is used when making adipic acid and caprolactam, which can them be used to make nylon. It has no color and is flammable.

References

"Front Matter". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. P001–P004. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
Hexanaphthene Archived 2018-02-12 at the Wayback Machine, dictionary.com
NIOSH Pocket Guide to Chemical Hazards. "#0163". National Institute for Occupational Safety and Health (NIOSH).

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[iupac2013-1] "Front Matter". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. P001–P004. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.

[2] Hexanaphthene Archived 2018-02-12 at the Wayback Machine, dictionary.com

[PGCH-3] NIOSH Pocket Guide to Chemical Hazards. "#0163". National Institute for Occupational Safety and Health (NIOSH).