• 2-Ethyltoluene (CAS 611-14-3) - TCI E0184 - AMI Scientific
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CAS 611-14-3

2-Ethyltoluene TCI E0184

2-Ethyltoluene TCI E0184
Rp 1.800.750,00
Rp 1.800.750,00
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TCI E0184 2-Ethyltoluene is a liquid aromatic hydrocarbon carrying an ethyl group and a methyl group on adjacent carbons of the benzene ring, that is, in the ortho position relative to one another. The compound belongs to the family of C9 alkylbenzenes commonly encountered in the aromatic fractions obtained from petroleum processing. In the laboratory its role is prominent as a reference compound for instrumental analysis, as an aromatic solvent for particular reactions, and as a model substrate in catalysis research examining the behaviour of multiply substituted alkylbenzenes.

The characteristic that makes this material a preferred choice is the ortho relationship of its two alkyl groups, which creates a distinctive steric environment and clearly separates its behaviour from that of the meta and para isomers. This difference becomes visible in chromatographic retention time, in NMR spectral patterns, and in reaction rates at the benzylic positions. As a non-polar hydrocarbon the compound mixes readily with non-polar organic solvents, is insoluble in water, and remains relatively inert towards many reagents, which makes it safe to employ as a reaction medium. The presence of two distinct benzylic positions, one on the methyl group and one on the ethyl group, makes it an interesting substrate for probing selectivity.

In Indonesian laboratories this grade is typically drawn upon by university chemistry departments, petrochemical and refinery analytical units, and research groups working on catalysis and hydrocarbon conversion. It is commonly used to build or verify identification libraries for aromatic isomers, to prepare comparison standards alongside the meta and para forms, and to support method development where the separation of closely related C9 alkylbenzenes has to be demonstrated reliably before routine samples are processed.

  • Chromatographic reference standard: the ortho arrangement gives a retention time distinct from the meta and para isomers, allowing analysts to anchor peak identification when profiling C9 aromatic fractions.
  • Spectroscopic identification work: its NMR spectral pattern reflects the adjacent methyl and ethyl substitution, so it serves as a dependable comparison spectrum during structural confirmation of substituted alkylbenzenes.
  • Aromatic reaction solvent: being non-polar, water-insoluble and relatively inert towards many reagents, it functions as a stable reaction medium for chemistry that requires an aromatic environment.
  • Catalysis model substrate: researchers studying the conversion of multiply substituted alkylbenzenes use it because its defined steric environment makes catalytic behaviour easier to interpret and reproduce.
  • Benzylic selectivity studies: two chemically different benzylic positions, one on the methyl group and one on the ethyl group, let investigators test how a reagent or catalyst discriminates between them.

Brand TCI (Tokyo Chemical Industry)
CAS number 611-14-3
Molecular formula —
Purity —
Category Chemistry > Building Blocks > Non-Heterocyclic Building Blocks
Pack sizes supplied in the standard TCI catalogue pack sizes for this item; please confirm the available option when ordering
Physical form liquid aromatic hydrocarbon, non-polar, insoluble in water
Storage keep in a tightly closed container in a cool, well-ventilated place away from ignition sources

Store 2-Ethyltoluene in a cool, dry and well-ventilated area, kept tightly closed in its original container and clearly labelled. Because it is a volatile non-polar aromatic liquid, use glass or other solvent-compatible containers rather than materials that may be attacked by hydrocarbons, and keep it away from open flames, sparks and other ignition sources. Dispense inside a fume hood to limit vapour inhalation, and wear safety glasses, chemical-resistant gloves and a laboratory coat. Avoid contact with strong oxidising agents, close the container promptly after use to reduce evaporation, and follow your institution's procedures for the collection and disposal of organic solvent waste.

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