Ethylbenzene

Ethylbenzene

Chembox new
Name = Ethylbenzene
ImageFile = Ethylbenzene-2D-skeletal.png ImageName = Ethylbenzene
ImageFile1 = Ethylbenzene-3d.png IUPACName = Ethylbenzene
OtherNames = Ethylbenzol, EB,
phenylethane
Section1 = Chembox Identifiers
SMILES = c1ccccc1CC
CASNo = 100-41-4
RTECS = DA0700000
Section2 = Chembox Properties
Formula = C8H10
MolarMass = 106.167 g/mol
Appearance = Colourless liquid
Density = 0.8665 g/mL, liquid
Solubility = 0.015 g/100 ml (20 °C)
MeltingPt = -95 °C (188 K)
BoilingPt = 136 °C (409 K)
Viscosity = 0.669 cP at 20 °C
Section3 = Chembox Structure
MolShape =
Dipole =
Section7 = Chembox Hazards
ExternalMSDS =
MainHazards = Flammable
NFPA-H = 2
NFPA-F = 3
NFPA-R =
FlashPt = 15-20 °C
RPhrases = 11, 20
SPhrases = 2, 16, 24/25, 29
Section8 = Chembox Related
Function = aromatic
hydrocarbons
OtherFunctn = styrene, toluene
OtherCpds = benzene
polystyrene

Ethylbenzene is an Organic compound with the formula C6H5CH2CH3. This aromatic hydrocarbon. is important in the petrochemical industry as an intermediate in the production of styrene, which in turn is used for making polystyrene, a commonly used plastic material. Although often present in small amounts in crude oil, ethylbenzene is produced in bulk quantities by combining benzene and ethylene in an acid-catalyzed chemical reaction::C6H6 + C2H4 → C6H5CH2CH3Approximately 24,700,000 tons were produced in 1999. [Vincent A.Welch, Kevin J. Fallon, Heinz-Peter Gelbke “Ethylbenzene” Ullmann’s Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005] Catalytic dehydrogenation of the ethylbenzene then gives hydrogen and styrene. Ethylbenzene is also an ingredient in some paints, and solvent grade xylene (xylol) nearly always contaminated with a few percent of ethylbenzene.

References

* [http://www.epa.gov/ttn/atw/hlthef/ethylben.html EPA Chemical database]
* [http://www.intox.org/databank/documents/chemical/ethylben/cie370.htm Intox Chemical database]
* [http://www.atsdr.cdc.gov/tfacts110.html Agency for Toxic Substances and Disease Registry]

External links

* [http://www.npi.gov.au/database/substance-info/profiles/40.html National Pollutant Inventory - Ethybenzene Fact Sheet]
* [http://toxnet.nlm.nih.gov/cgi-bin/sis/search/r?dbs+hsdb:@term+@na+Ethylbenzene NLM Hazardous Substances Databank – Ethylbenzene]


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