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4-Methylphenethyl bromide
4-Methylphenethyl bromide (CAS 6529-51-7) is a high-purity brominated aromatic intermediate widely used in pharmaceutical synthesis and organic chemistry research. This compound features a methyl substituent at the para-position of the phenethyl bromide structure, making it a versatile building block for the development of complex organic molecules and active pharmaceutical ingredients (APIs). As a key intermediate in nucleophilic substitution reactions, cross-coupling reactions, and alkylation chemistry, it exhibits excellent reactivity in Grignard formation, Suzuki coupling, and Williamson ether synthesis. Our product is manufactured under strict quality control standards, ensuring a purity of ≥98%, making it ideal for pharmaceutical manufacturing, medicinal chemistry research, and scale-up production. This compound is particularly valuable in the synthesis of pharmaceuticals containing para-substituted aromatic structures and serves as an important precursor in the preparation of fine chemicals, agrochemical intermediates, and specialty materials.
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Product Name
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4-Methylphenethyl bromide
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CAS Number
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6529-51-7
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Chinese Name
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4-甲基苯乙基溴
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Synonyms
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p-Methylphenethyl bromide; 1-Bromo-2-(4-methylphenyl)ethane; 2-(4-Methylphenyl)ethyl bromide; (4-Methylphenethyl) bromide; 1-(2-Bromoethyl)-4-methylbenzene; p-Cymyl bromide; 4-Methyl-phenethyl bromide; Benzene, 1-(2-bromoethyl)-4-methyl-
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Chinese Synonyms
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对甲基苯乙基溴; 1-(2-溴乙基)-4-甲基苯; 4-甲基-β-溴乙苯; 对甲基-β-溴乙苯
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Molecular Formula
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C₉H₁₁Br
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Molecular Weight
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199.09 g/mol
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Purity
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≥ 98%
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Product Category
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Pharmaceutical Intermediates / Benzene Derivatives / Phenethyl Halides
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Appearance
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Colorless to Light Yellow Liquid
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Boiling Point
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~230-235°C (estimated)
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Density
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~1.3 g/cm³ (estimated)
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Refractive Index
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n₂₀/D ~1.54 (estimated)
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Storage Conditions
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Store in a cool, dry, well-ventilated area away from light and moisture. Keep container tightly closed. Protect from oxidation.
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Shelf Life
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24 months under recommended storage conditions
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Packaging
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25kg/drum, 50kg/drum, or customized according to customer requirements
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Applications
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Pharmaceutical intermediates, organic synthesis, API manufacturing, nucleophilic substitution, Grignard reagent preparation, cross-coupling reactions, fine chemical production
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Reactivity
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Suitable for nucleophilic substitution, Grignard reaction, Suzuki coupling, Heck reaction, alkylation, and etherification reactions
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