Total xylenes Properties, Molecular Formula, Applications - WorldOfChemicals

Total xylenes Properties

Total xylenes

Molecule Structure Image

Description

 

The term xylene or xylol refers to a mixture of three aromatic hydrocarbon isomers closely related to benzene. Xylene is a clear, colorless, sweet-smelling liquid that is very flammable. It is usually refined from crude oil in a process called alkylation. It is also produced as a by-product from coal carbonisation derived from coke ovens, extracted from crude benzole from gas, or by dehydrocyclodimerization and methylating of toluene and benzene.[1] It is also manufactured from reformate.Xylene is used as a solvent in the printing, rubber, and leather industries. Xylene is also used as an inhalant drug for its intoxicating properties.

Chemical Properties

Appearance Clear, colorless liquid
Boiling Point 138.5 °C ;
144 °C(o-Xylene);
139 °C(m-Xylene);
138 °C(p-Xylene);
CAS Number 1330-20-7;
95-47-6(o-Xylene);
108-38-3(p-Xylene);
106-42-3(m-Xylene)
Density 0.864 g/ml;
0.88 g/ml(o-Xylene);
0.86 g/ml(m-Xylene);
0.86 g/ml(p-Xylene);
HS Code 29024400
IUPAC Name Dimethylbenzenes
Melting Point −47.4 °C;
−25 °C(o-Xylene);
−48 °C(m-Xylene);
13 °C(p-Xylene);
Molar Mass 106.16 g/mol
Molecular Formula C8H10
NFPA 704 H-2,F-3,R-0,C-NA
RTECS Number ZE2100000;
ZE2450000(o-Xylene);
ZE2625000(p-Xylene);
ZE2275000(m-Xylene)
Refractive n20/D 1.497(lit.);
n20/D 1.495(lit.)(p-Xylene);
n20/D 1.505(lit.)(o-Xylene);
n20/D 1.497(lit.)(m-Xylene);
Related Compounds Xylenols - types of phenols
Solubility Practically insoluble
Synonyms 1,2-Dimethylbenzene;1,3-Dimethylbenzene;1,4-Dimethylbenzene;;Xylene mixture (60% m-xylene, 9% o-xylene, 14% p-xylene, 17% ethylbenzene);Xylenes (mixed);Xylol;Benzene,dimethyl-;Eylene;
Viscosity 0.812 cP at 20 °C(o-Xylene);
0.62 cP at 20 °C(m-Xylene);
0.34 cP at 30 °C(p-Xylene);
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