Description

1-Ethynyl-2-Phenylbenzene is a specialized aromatic acetylene derivative, serving as a versatile and high-value building block in advanced organic synthesis. Its unique molecular structure, featuring both phenyl and ethynyl groups on a benzene core, makes it a critical precursor for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, particularly for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially in oncology and CNS therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides requiring specific aromatic-acetylene frameworks.
• Material Science & Organic Electronics: Serves as a monomer or precursor for conjugated polymers and small molecules used in OLEDs, OFETs, and other electronic devices.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for transition metal catalysis and cross-coupling reactions.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new organic reactions and synthetic methodologies.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex dyes, flavors, and fragrances.

Basic Information

Product Name	1-Ethynyl-2-Phenylbenzene
CAS No.	52889-62-0
Molecular Formula	C14H10
Molecular Weight	178.23 g/mol
Synonyms	2-Phenylphenylacetylene; o-Phenylphenylacetylene; 2-Ethynylbiphenyl; Biphenyl-2-ylacetylene; 1-Ethynylbiphenyl; 2-Acetylenylbiphenyl; (2-Biphenylyl)acetylene
EINECS	Contact for details

Quality Control

Our 1-Ethynyl-2-Phenylbenzene is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques, including GC, HPLC, and NMR, to verify identity and quantify impurities. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment. Our quality commitment ensures the material meets the stringent requirements for research and commercial synthesis.

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 flames. For long-term storage, consider under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Solubility	Soluble in common organic solvents

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