Description

Benzene, 1-Bromo-4-(1-Methylethenyl)- is a versatile brominated aromatic building block, also known as 4-Bromo-α-methylstyrene, valued for its reactive vinyl and bromo functional groups. This compound is essential for facilitating cross-coupling reactions and polymerization processes in advanced chemical synthesis. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries to create complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) through Suzuki-Miyaura and other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its aromatic backbone for bioactivity.
• Specialty Polymer Monomer: Acts as a functional monomer for producing modified polystyrene resins, adhesives, and high-performance polymers with specific thermal or mechanical properties.
• Liquid Crystal & OLED Materials: Employed in the research and production of advanced electronic materials for displays and organic light-emitting diodes.
• Organic Synthesis Building Block: A versatile reagent for introducing the 4-bromophenyl moiety and a polymerizable vinyl group into target molecules in academic and industrial R&D.
• Fine Chemical Production: Utilized in the manufacture of dyes, pigments, and complex fragrance compounds.

Basic Information

Product Name	Benzene, 1-Bromo-4-(1-Methylethenyl)-
CAS No.	6888-79-5
Molecular Formula	C9H9Br
Molecular Weight	197.07 g/mol
Synonyms	4-Bromo-α-methylstyrene; 1-Bromo-4-isopropenylbenzene; 4-Bromo-α-methylstyrene; p-Bromo-α-methylstyrene; 4-Bromo-1-isopropenylbenzene; (4-Bromophenyl)ethene, 1-methyl-; α-Methyl-4-bromostyrene
EINECS	Contact for details

Quality Control

Our Benzene, 1-Bromo-4-(1-Methylethenyl)- is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopy (NMR, IR), to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are available for every shipment upon request, supporting your quality assurance and regulatory compliance 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 to maintain product integrity.

Specification

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

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