Description

[(E)-2-Bromoethenyl]Benzene is a high-purity, versatile styryl bromide derivative used as a critical building block in advanced organic synthesis. This compound matters for its role as a key electrophilic coupling partner, enabling the introduction of the styrenyl moiety into complex molecular architectures. Pharmaceutical, agrochemical, and advanced materials researchers need it for developing active ingredients, functional polymers, and novel electronic materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of styrene-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of novel pesticides, herbicides, and plant growth regulators.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and functional resins.
• Liquid Crystal & OLED Materials: Acts as a building block for creating conjugated organic molecules used in display and lighting technologies.
• Cross-Coupling Reactions: An essential reagent in Heck, Suzuki, and other palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.
• Organic Synthesis & Research: A versatile reagent in academic and industrial R&D labs for constructing complex organic molecules.

Basic Information

Product Name	[(E)-2-Bromoethenyl]Benzene
CAS No.	1340-14-3
Molecular Formula	C8H7Br
Molecular Weight	183.05 g/mol
Synonyms	(E)-2-Bromostyrene; trans-2-Bromostyrene; (E)-β-Bromostyrene; trans-β-Bromostyrene; 2-Bromo-1-phenylethene; 1-Bromo-2-phenylethene; (E)-1-Bromo-2-phenylethene; (E)-2-Bromovinylbenzene
EINECS	215-657-6

Quality Control

Our [(E)-2-Bromoethenyl]Benzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 98.0%
Isomeric Purity ((E)-isomer)	≥ 99.0%
Water Content (KF)	≤ 0.5%

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