Isodurene

Isodurene or 1,2,3,5-tetramethylbenzene is an organic compound with the formula C6H2(CH3)4, classified as an aromatic hydrocarbon. It is a flammable colorless liquid which is nearly insoluble in water but soluble in organic solvents. It occurs naturally in coal tar. Isodurene is one of three isomers of tetramethylbenzene, the other two being prehnitene (1,2,3,4-tetramethylbenzene) and durene (1,2,4,5-tetramethylbenzene).[1]

Isodurene
Names
IUPAC name
1,2,3,5-tetramethylbenzene
Other names
Isodurene
Identifiers
3D model (JSmol)
ChEMBL
ChemSpider
ECHA InfoCard 100.007.653
EC Number
  • 208-417-1
UNII
UN number 1993
Properties
C10H14
Molar mass 134.22
Appearance colorless liquid
Density 0.89 g/cm3
Melting point −23.7 °C (−10.7 °F; 249.5 K)
Boiling point 198 °C (388 °F; 471 K)
27.9 mg/L
Hazards
Main hazards Flammable
GHS pictograms
GHS Signal word Warning
H315, H319
P264, P280, P302+352, P305+351+338, P321, P332+313, P337+313, P362
Flash point 63.3 °C (145.9 °F; 336.4 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Production

Industrially, isodurene can be isolated from the reformed fraction of oil refineries. It may also be produced by methylation of toluene, xylenes and trimethylbenzenes.[1]

References

  1. Griesbaum, Karl; Behr, Arno; Biedenkapp, Dieter; Voges, Heinz-Werner; Garbe, Dorothea; Paetz, Christian; Collin, Gerd; Mayer, Dieter; Höke (2002). "Hydrocarbons". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a13_227.
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