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Atomfair Benzene, 1,4-dibromo-2,3,5,6-tetramethyl- C10H12Br2 CAS 1646-54-4

1,4-Dibromo-2,3,5,6-tetramethylbenzene (CAS No. 1646-54-4) is a high-purity aromatic compound with the molecular formula C10H12Br2. This crystalline solid is characterized by its two bromine substituents and four methyl groups symmetrically arranged on a benzene ring, making it a valuable intermediate in organic synthesis and materials science. With exceptional stability and reactivity, it is widely utilized in cross-coupling reactions, polymer chemistry, and as a precursor for advanced materials. Our product is rigorously tested to ensure ≥98% purity (GC), with trace metals and moisture content minimized for sensitive applications. Available in sealed amber vials or bulk packaging under inert gas to prevent degradation.

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Description

1,4-Dibromo-2,3,5,6-tetramethylbenzene (CAS No. 1646-54-4) is a high-purity aromatic compound with the molecular formula C10H12Br2. This crystalline solid is characterized by its two bromine substituents and four methyl groups symmetrically arranged on a benzene ring, making it a valuable intermediate in organic synthesis and materials science. With exceptional stability and reactivity, it is widely utilized in cross-coupling reactions, polymer chemistry, and as a precursor for advanced materials. Our product is rigorously tested to ensure ≥98% purity (GC), with trace metals and moisture content minimized for sensitive applications. Available in sealed amber vials or bulk packaging under inert gas to prevent degradation.

Properties

  • CAS Number: 1646-54-4
  • Complexity: 124
  • IUPAC Name: 1,4-dibromo-2,3,5,6-tetramethyl-benzene
  • InChI: InChI=1S/C10H12Br2/c1-5-6(2)10(12)8(4)7(3)9(5)11/h1-4H3
  • InChI Key: IEWAQZBDJDWANM-UHFFFAOYSA-N
  • Exact Mass: 291.92853
  • Molecular Formula: C10H12Br2
  • Molecular Weight: 292.01
  • SMILES: CC1=C(C(=C(C(=C1Br)C)C)Br)C
  • Monoisotopic Mass: 289.93058
  • Synonyms: 1,4-Dibromo-2,3,5,6-tetramethylbenzene, 1646-54-4, Benzene, 1,4-dibromo-2,3,5,6-tetramethyl-, NSC 87886, DTXSID8061846, DTXCID6035289, 623-014-4, 3,6-Dibromodurene, dibromodurene, MFCD00017787, NSC87886, SCHEMBL1263624, BAA64654, NSC-87886, AKOS015908362, AS-17923, SY051405, Benzene,4-dibromo-2,3,5,6-tetramethyl-, DB-250073, CS-0110425, D5168, EN300-176148, F20982

Application

1,4-Dibromo-2,3,5,6-tetramethylbenzene serves as a key building block in Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions to synthesize extended π-conjugated systems for OLEDs. It is also employed in the preparation of liquid crystalline materials and as a monomer for high-performance polymers. Researchers utilize this compound to study steric effects in electrophilic aromatic substitution reactions due to its hindered structure.

Safety and Hazards

GHS Hazard Statements

  • H413 (95.2%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

  • P273, and P501

Hazard Classes and Categories

  • Aquatic Chronic 4 (95.2%)

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Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

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Certain molecules may be protected by active patents or regulatory restrictions.

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  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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