Description

2-Ethynyltoluene 97 is a versatile aromatic alkyne building block, essential for advanced organic synthesis and materials science. Its high reactivity, particularly in Sonogashira coupling and cycloaddition reactions, makes it a critical intermediate for creating complex molecular architectures. This compound is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates and active pharmaceutical ingredients (APIs) via cross-coupling reactions.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific aromatic-alkyne motifs.
• Material Science & Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers, conductive materials, and metal-organic frameworks (MOFs).
• Organic Synthesis & Research: A fundamental reagent in academic and industrial R&D for constructing complex organic molecules through Huisgen cycloaddition and other alkyne-based transformations.
• Liquid Crystal & Electronic Materials: Employed in the synthesis of components for liquid crystal displays (LCDs) and organic light-emitting diodes (OLEDs) due to its rigid, conjugated structure.
• Fine Chemical Production: Intermediate in the manufacture of dyes, pigments, and other high-value specialty chemicals.

Basic Information

Item	Detail
Product Name	2-Ethynyltoluene 97
CAS No.	766-47-2
Molecular Formula	C9H8
Molecular Weight	116.16 g/mol
Synonyms	2-Methylphenylacetylene; o-Methylphenylacetylene; 1-Ethynyl-2-methylbenzene; 2-Methylbenzeneacetylene; o-Tolylacetylene; 2-Tolylacetylene; (2-Methylphenyl)ethyne; 2-Ethynyl-1-methylbenzene
EINECS	212-164-4

Quality Control

Our 2-Ethynyltoluene 97 is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure the purity and identity meet the specified standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Due to its highly volatile nature, keep the container tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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