Description

4-Bromo Diphenylacetylene is a high-value brominated aromatic alkyne building block, essential for advanced organic synthesis. Its rigid, conjugated structure makes it a critical precursor for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This compound is primarily sought after by R&D chemists and process development scientists in the agrochemical, pharmaceutical, and organic electronics industries for creating novel compounds with tailored properties.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially for kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Serves as a core unit in the synthesis of conjugated polymers and small molecules for OLEDs, OFETs, and photovoltaic applications.
• Ligand and Catalyst Development: Utilized to create sophisticated phosphine or N-heterocyclic carbene (NHC) ligands for transition metal catalysis.
• Cross-Coupling Reactions: An excellent substrate for Sonogashira, Suzuki-Miyaura, and other palladium-catalyzed cross-coupling reactions to form extended π-systems.
• Academic & Industrial R&D: A versatile reagent for exploring new synthetic methodologies and constructing molecular libraries for screening.

Basic Information

Product Name	4-Bromo Diphenylacetylene
CAS No.	13667-12-4
Molecular Formula	C₁₄H₉Br
Molecular Weight	257.13 g/mol
Synonyms	1-Bromo-4-(phenylethynyl)benzene; 4-Bromodiphenylacetylene; p-Bromodiphenylacetylene; (4-Bromophenyl)(phenyl)ethyne; 4-Bromo-1-(phenylethynyl)benzene; 4-Bromotolan; NSC 404087
EINECS	Contact for details

Quality Control

Our 4-Bromo Diphenylacetylene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C

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