Description

β-Bromostyrene (CAS NO 103-64-0) is a versatile and highly reactive brominated aromatic compound, serving as a crucial building block in advanced organic synthesis. Its value lies in its ability to act as a key electrophilic intermediate for cross-coupling reactions and as a precursor for various functionalized styrenes. This chemical is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty materials sectors who require high-purity intermediates for developing active ingredients and novel polymers.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring a bromo-substituted styrene moiety.
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides, herbicides, and fungicides, where it introduces specific aromatic functionality.
• Material Science & Polymer Chemistry: Serves as a monomer or co-monomer for creating specialty polymers, liquid crystals, and advanced organic materials with tailored properties.
• Organic Synthesis & R&D: A valuable reagent in Heck reactions, Suzuki-Miyaura cross-couplings, and other palladium-catalyzed transformations to construct complex molecular architectures.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific aromatic compounds used in high-value fragrance formulations.
• Chemical Research: Employed in academic and industrial laboratories for methodological development and exploring new synthetic pathways.

Basic Information

Item	Detail
Product Name	β-Bromostyrene
CAS No.	103-64-0
Molecular Formula	C8H7Br
Molecular Weight	183.05 g/mol
Synonyms	(E)-1-Bromo-2-phenylethene; (E)-2-Bromostyrene; trans-β-Bromostyrene; trans-2-Bromostyrene; 2-Bromo-1-phenylethene; (E)-β-Bromostyrene; (E)-2-Bromovinylbenzene; 1-Bromo-2-phenylethylene
EINECS	203-131-9

Quality Control

Our β-Bromostyrene is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at room temperature (15-25°C). Due to its highly volatile and light-sensitive nature, containers must be kept sealed when not in use and away from heat sources and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Isomeric Purity (E/Z ratio)	≥ 99:1 (E/Z)
Water Content (KF)	≤ 0.1%

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