Description

1-Bromo-4-(1-Propynyl)Benzene is a versatile aromatic building block featuring both a bromo substituent and a terminal alkyne group, making it a valuable intermediate in advanced organic synthesis. Its core value lies in enabling efficient cross-coupling reactions and serving as a precursor for complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science sectors who require high-purity intermediates for developing active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug molecules, particularly via Sonogashira and other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the alkyne moiety allows for structural diversification.
• Material Science & Polymer Chemistry: Serves as a monomer or functionalizing agent in the development of conductive polymers, liquid crystals, and other specialty materials.
• Organic Electronic Materials: Employed in the synthesis of molecular wires, OLED (Organic Light-Emitting Diode) components, and other electronic materials.
• Chemical Research & Development: A fundamental reagent in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.
• Ligand & Catalyst Preparation: Useful for constructing sophisticated ligand frameworks for catalysis and metal-organic complexes.

Basic Information

Product Name	1-Bromo-4-(1-Propynyl)Benzene
CAS No.	23773-30-0
Molecular Formula	C9H7Br
Molecular Weight	195.06 g/mol
Synonyms	4-Bromophenylacetylene; p-Bromophenylacetylene; 1-Bromo-4-ethynylbenzene; (4-Bromophenyl)ethyne; 4-Ethynylbromobenzene; 4-Bromoethynylbenzene; 4-Bromobenzeneacetylene
EINECS	Contact for details

Quality Control

Our 1-Bromo-4-(1-Propynyl)Benzene is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for critical synthetic applications. 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 away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC/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.