Description

2-Propynoic Acid, 3-(4-Methylphenyl)-, Methyl Ester is a specialized organic ester compound with a terminal alkyne functional group. This chemical serves as a valuable building block in advanced organic synthesis, particularly for the construction of complex molecular architectures. It is primarily sought by pharmaceutical intermediates and fine chemical manufacturers for research and development applications.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in the development of novel pesticides and herbicides.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Organic Synthesis: Utilized in Sonogashira coupling and other palladium-catalyzed reactions to create conjugated systems.
• Chemical Research: Serves as a standard or reagent in academic and industrial R&D laboratories.
• Liquid Crystal & OLED Materials: A potential precursor for electronic and optoelectronic materials.

Basic Information

Product Name	2-Propynoic Acid, 3-(4-Methylphenyl)-, Methyl Ester
CAS No.	7515-16-4
Molecular Formula	C11H10O2
Molecular Weight	174.20 g/mol
Synonyms	Methyl 3-(p-tolyl)propiolate; Methyl 3-(4-methylphenyl)propiolate; 3-(4-Methylphenyl)-2-propynoic acid methyl ester; p-Tolylpropiolic acid methyl ester; Methyl p-tolylpropiolate; 4-Methylphenylpropiolic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Propynoic Acid, 3-(4-Methylphenyl)-, Methyl Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 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.