Description

3-Ethynylanisole is a high-purity aromatic alkyne building block essential for advanced organic synthesis. This compound is valued for its terminal ethynyl group, which enables efficient cross-coupling and cycloaddition reactions to construct complex molecular architectures. It is a critical intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon for constructing bioactive molecules, heterocycles, and potential drug candidates via Sonogashira and Click chemistry.
• Agrochemical Synthesis: Used in the development of novel pesticides, herbicides, and plant growth regulators requiring specific aromatic-alkyne scaffolds.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent in the synthesis of conjugated polymers, dendrimers, and specialty resins with tailored optical or electronic properties.
• Ligand & Catalyst Development: Employed in the preparation of specialized ligands for metal-organic frameworks (MOFs) and homogeneous catalysis.
• Chemical Research & Development: A versatile building block for academic and industrial R&D in organic and medicinal chemistry.
• Fine Chemical Production: Used in the multi-step synthesis of complex flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-Ethynylanisole
CAS No.	768-70-7
Molecular Formula	C9H8O
Molecular Weight	132.16 g/mol
Synonyms	3-Ethynylmethoxybenzene; m-Ethynylanisole; 1-Ethynyl-3-methoxybenzene; 3-Methoxyphenylacetylene; m-Methoxyphenylacetylene; 3-Ethynyl-1-methoxybenzene; 1-Methoxy-3-ethynylbenzene
EINECS	212-200-6

Quality Control

Our 3-Ethynylanisole is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to verify identity and assay. Certificates of Analysis (COA) detailing all quality parameters are provided with each shipment and are available upon request.

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, open flames, and oxidizing agents. For long-term storage, consider storing under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 96.0%
Water Content (KF)	≤ 0.5%

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