Cumene

Cumene
Names
	Preferred IUPAC name (Propan-2-yl)benzene
	Other names Isopropylbenzene; Cumol; (1-Methylethyl)benzene;
Identifiers
CAS Number	98-82-8 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1236613
ChEBI	CHEBI:34656 ;
ChEMBL	ChEMBL1398949;
ChemSpider	7128 ;
ECHA InfoCard	100.002.458
EC Number	202-704-5;
KEGG	C14396 ;
PubChem CID	7406;
RTECS number	GR8575000;
UNII	8Q54S3XE7K ;
UN number	1918
CompTox Dashboard (EPA)	DTXSID1021827 ;
	InChI InChI=1S/C9H12/c1-8(2)9-6-4-3-5-7-9/h3-8H,1-2H3 Key: RWGFKTVRMDUZSP-UHFFFAOYSA-N ; InChI=1/C9H12/c1-8(2)9-6-4-3-5-7-9/h3-8H,1-2H3 Key: RWGFKTVRMDUZSP-UHFFFAOYAJ;
	SMILES CC(C)c1ccccc1;
Properties
Chemical formula	C9H12
Molar mass	120.195 g·mol−1
Appearance	colorless liquid
Odor	sharp, gasoline-like
Density	0.862 g cm−3, liquid
Melting point	−96 °C (−141 °F; 177 K)
Boiling point	152 °C (306 °F; 425 K)
Solubility in water	negligible
Solubility	soluble in acetone, ether, ethanol
Vapor pressure	4.5 mmHg (25°C)
Magnetic susceptibility (χ)	-89.53·10−6 cm3/mol
Refractive index (nD)	1.4915 (20 °C)
Viscosity	0.777 cP (21 °C)
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	flammable
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H226, H302, H304, H312, H314, H332, H335, H341, H412, H441
Precautionary statements	P201, P202, P260, P261, P264, P270, P271, P273, P280, P281, P301+P312, P301+P330+P331, P302+P352, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P308+P313, P310, P312, P321, P322, P330, P363, P405, P501
NFPA 704 (fire diamond)	2 3 1
Flash point	43 °C (109 °F; 316 K)
Autoignition; temperature	424 °C (795 °F; 697 K)
Explosive limits	0.9-6.5%
	Lethal dose or concentration (LD, LC):
LD50 (median dose)	12750 mg/kg (oral, mouse); 1400 mg/kg (oral, rat)
LC50 (median concentration)	200 ppm (mouse, 7 hr)
LCLo (lowest published)	8000 ppm (rat, 4 hr)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 50 ppm (245 mg/m3) [skin]
REL (Recommended)	TWA 50 ppm (245 mg/m3) [skin]
IDLH (Immediate danger)	900 ppm
Related compounds
Related compounds	ethylbenzene; toluene; benzene
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Cumene (isopropylbenzene) is an organic compound that contains a benzene ring with an isopropyl substituent. It is a constituent of crude oil and refined fuels. It is a flammable colorless liquid that has a boiling point of 152 °C. Nearly all the cumene that is produced as a pure compound on an industrial scale is converted to cumene hydroperoxide, which is an intermediate in the synthesis of other industrially important chemicals, primarily phenol and acetone (known as the cumene process).

^ Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 139, 597. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.
^ Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis. 1989.
^ ^a ^b ^c NIOSH Pocket Guide to Chemical Hazards. "#0159". National Institute for Occupational Safety and Health (NIOSH).
^ ^a ^b ^c "Cumene". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

[1] Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 139, 597. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4.

[2] Physical and Thermodynamic Properties of Pure Chemicals Data Compilation. Washington, D.C.: Taylor and Francis. 1989.

[PGCH-3] NIOSH Pocket Guide to Chemical Hazards. "#0159". National Institute for Occupational Safety and Health (NIOSH).

[IDLH-4] "Cumene". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).

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