Description

1-Bromo-3-(Phenylethynyl)Benzene is a high-purity organic building block featuring a bromine substituent and a phenylethynyl group on a benzene ring. This compound is valued for its role as a versatile intermediate in advanced organic synthesis, particularly in cross-coupling reactions. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) via Suzuki, Sonogashira, or other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and pesticides, where the bromine atom serves as a handle for further functionalization.
• Material Science & OLED Development: Serves as a building block for creating conjugated organic molecules and polymers used in organic light-emitting diodes (OLEDs), semiconductors, and other electronic materials.
• Ligand & Catalyst Preparation: Employed in the synthesis of specialized ligands and organometallic catalysts for asymmetric synthesis and other catalytic processes.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D in exploring new synthetic methodologies and creating novel chemical entities.
• Liquid Crystal & Dye Intermediate: Used in the production of advanced materials such as liquid crystals and specialty dyes, leveraging its rigid, aromatic structure.

Basic Information

Product Name	1-Bromo-3-(Phenylethynyl)Benzene
CAS No.	29778-29-8
Molecular Formula	C14H9Br
Molecular Weight	257.13 g/mol
Synonyms	3-Bromodiphenylacetylene; 3-Bromo-1-(phenylethynyl)benzene; 1-Bromo-3-(phenylethynyl)benzene; m-Bromodiphenylacetylene; 3-Bromophenyl phenylacetylene; (3-Bromophenyl)(phenyl)ethyne; 3-Bromo-1,1'-ethyne-1,2-diyldibenzene
EINECS	Contact for details

Quality Control

Our 1-Bromo-3-(Phenylethynyl)Benzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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