Date published: 2025-10-2

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α,α,2,4-Tetrachlorotoluene (CAS 134-25-8)

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Alternate Names:
2,4-Dichlorobenzyl dichloride
CAS Number:
134-25-8
Molecular Weight:
229.92
Molecular Formula:
C7H4Cl4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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α,α,2,4-Tetrachlorotoluene also known as DCMDB is a widely used aromatic hydrocarbon in the chemical industry. It is a colorless liquid with a volatile nature and a distinct sweet and pungent odor. This versatile organic compound finds extensive applications as a solvent, dye, stabilizer, and catalyst. Its chemical reactivity enables it to undergo various reactions, with the most common one being the Friedel-Crafts alkylation of benzene using α,α,2,4-Tetrachlorotoluene. Catalyzed by anhydrous aluminum chloride or iron chloride, this reaction produces α,α,2,4-Tetrachlorotoluene. α,α,2,4-Tetrachlorotoluene is also capable of forming cyclic compounds, esters, and ethers through different chemical reactions.


α,α,2,4-Tetrachlorotoluene (CAS 134-25-8) References

  1. Radical coupling reaction of paramagnetic endohedral metallofullerene La@C82.  |  Takano, Y., et al. 2008. J Am Chem Soc. 130: 16224-30. PMID: 18998645

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

α,α,2,4-Tetrachlorotoluene, 5 g

sc-493090
5 g
$368.00