Description

2-Ethynyl-Benzonitrile is a versatile aromatic nitrile building block featuring a reactive ethynyl group. This compound is valued for its role as a key intermediate in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and materials science sectors for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly in kinase inhibitor and other targeted therapy research.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science Building Block: Employed in the creation of specialty polymers, liquid crystals, and organic electronic materials via cross-coupling and cycloaddition reactions.
• Chemical Research Reagent: Serves as a versatile synthon in academic and industrial laboratories for methodology development and heterocyclic chemistry.
• Ligand and Catalyst Development: Utilized in the preparation of novel ligands for transition metal catalysis and organocatalysts.

Basic Information

Product Name	2-Ethynyl-Benzonitrile
CAS No.	40888-26-4
Molecular Formula	C9H5N
Molecular Weight	127.14 g/mol
Synonyms	2-Ethynylbenzonitrile; o-Ethynylbenzonitrile; Benzonitrile, 2-ethynyl-; 2-Cyanophenylacetylene; (2-Cyanophenyl)ethyne; 1-Cyano-2-ethynylbenzene; 2-(Ethynyl)benzonitrile
EINECS	Contact for details

Quality Control

Our 2-Ethynyl-Benzonitrile is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is 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, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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