Description

2-Ethynylbenzaldehyde is a versatile aromatic aldehyde building block featuring a reactive ethynyl group, enabling advanced synthetic transformations. This compound is essential for the efficient synthesis of complex heterocyclic and pharmaceutical intermediates. It is primarily utilized by researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for kinase inhibitors and other targeted therapies.
• Agrochemical Synthesis: Building block for creating new pesticides and herbicides with enhanced efficacy.
• Material Science: Used in the development of organic semiconductors, liquid crystals, and advanced polymers via click chemistry and cross-coupling reactions.
• Chemical Research: Valuable reagent for organic synthesis, including Sonogashira coupling, cycloaddition reactions, and the construction of complex fused-ring systems.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in homogeneous catalysis.

Basic Information

Product Name	2-Ethynylbenzaldehyde
CAS No.	38846-64-9
Molecular Formula	C9H6O
Molecular Weight	130.14 g/mol
Synonyms	2-Ethynylbenzaldehyde; o-Ethynylbenzaldehyde; Benzaldehyde, 2-ethynyl-; 2-Ethynylbenzenecarboxaldehyde; 1-Ethynyl-2-formylbenzene; (2-Formylphenyl)acetylene
EINECS	Contact for details

Quality Control

Our 2-Ethynylbenzaldehyde 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 detailed Certificate of Analysis (COA) documenting 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 under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. Allow the container to reach room temperature before opening to minimize moisture condensation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline solid or powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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