Description

4-(2-Bromophenyl)-2-Methyl-1-Butene is a high-purity brominated aromatic olefin building block, essential for advanced organic synthesis. This compound is valued for its role as a versatile intermediate in constructing complex molecular architectures, offering a reactive alkene group and a bromine substituent for further functionalization. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for applications in cross-coupling reactions and material science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a bromophenyl moiety.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the bromine atom facilitates further coupling reactions.
• Material Science Research: Serves as a monomer or building block for the development of specialized polymers and advanced organic materials.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to form biaryl structures.
• Organic Synthesis & Process Chemistry: Employed in academic and industrial laboratories for method development and the scalable synthesis of complex organic molecules.
• Ligand & Catalyst Development: Used in the preparation of novel phosphine or N-heterocyclic carbene (NHC) ligands for catalytic systems.

Basic Information

Product Name	4-(2-Bromophenyl)-2-Methyl-1-Butene
CAS No.	130955-17-8
Molecular Formula	C11H13Br
Molecular Weight	225.13 g/mol
Synonyms	2-Bromo-α-methylstyrene; 1-(2-Bromophenyl)-3-methyl-1-butene; 2-(2-Bromophenyl)-2-butene; 4-(2-Bromophenyl)-2-methylbut-1-ene; 2-Bromo-α,β-dimethylstyrene; (2-Bromophenyl)-2-methyl-1-butene; 2-Bromophenyl-2-methyl-1-butene
EINECS	Contact for details

Quality Control

Our 4-(2-Bromophenyl)-2-Methyl-1-Butene is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical properties is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere such as nitrogen to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	≤ 3.0% total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.