1,3,5-Triethylbenzene

1,3,5-Triethylbenzene is a chemical compound of the group of aromatic hydrocarbons.

1,3,5-Triethylbenzene
Chemical structure of 1,3,5-Triethylbenzene
Names
Preferred IUPAC name
1,3,5-Triethylbenzene
Other names
  • 1,3,5-TEB
  • Symmetrical triethylbenzene
Identifiers
3D model (JSmol)
ECHA InfoCard 100.002.744
EC Number
  • 203-017-3
MeSH 1,3,5-triethylbenzene
UNII
  • InChI=1S/C12H18/c1-4-10-7-11(5-2)9-12(6-3)8-10/h7-9H,4-6H2,1-3H3
  • CCC1=CC(=CC(=C1)CC)CC
Properties
C12H18
Molar mass 162.27 g·mol−1
Appearance colorless liquid [1]
Density 0.862 g·cm−3[1]
Melting point −66.5 °C (−87.7 °F; 206.7 K)[2]
Boiling point 215 °C (419 °F; 488 K)[1]
practically insoluble [1]
Solubility in ethanol, diethyl ether soluble[3]
Hazards
GHS labelling:
GHS07: Exclamation mark
Warning
H315, H319, H413
P305+P351+P338
Flash point 76 °C (169 °F; 349 K)[1]
Safety data sheet (SDS) [1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Preparation

1,3,5-Triethylbenzene can be prepared by a Friedel-Crafts alkylation of benzene with ethyl bromide in presence of aluminium chloride.[4]

Reaction scheme of the synthesis of 1,3,5-Triethylbenzene.

Properties

1,3,5-Triethylbenzene is a flammable, hard to ignite, colorless liquid that is almost insoluble in water.[1] The refractive index is 1.495[5]

Uses

1,3,5-Triethylbenzene can be used in synthesis of a series of di- and trinucleating ligands.[5]

Safety notes

The vapour of 1,3,5-Triethylbenzene can form an explosive mixture with air (flash point: 76 °C).[1]

References
  1. Record of 1,3,5-Triethylbenzol in the GESTIS Substance Database of the Institute for Occupational Safety and Health, accessed on 15 March 2019.
  2. David R. Lide (1995). CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data. CRC Press. p. 544. ISBN 978-0-8493-0595-5.
  3. "1,3,5-Triethylbenzene, 95%". Alfa Aesar. Retrieved 15 March 2019.
  4. Stanley R. Sandler, Wolf Karo (2012). Sourcebook of Advanced Organic Laboratory Preparations. Academic Press. p. 12. ISBN 978-0-08-092553-0.
  5. Sigma-Aldrich Co., 1,3,5-Triethylbenzene, ≥97%. Retrieved on 15 March 2019.

See also
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