Description

2-Propynoicacid,2-Ethynylphenylester(9Ci) is a specialized chemical building block featuring both alkyne and ester functional groups on an aromatic core. This unique structure makes it a valuable intermediate for advanced organic synthesis, particularly in the development of pharmaceuticals, agrochemicals, and functional materials. It is primarily sought by research and development chemists, as well as process development teams in the fine chemical and life sciences industries, for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring alkyne-aryl linkages for click chemistry or further functionalization.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators where its specific aromatic-alkyne moiety can contribute to biological activity.
• Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, resins, and advanced organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex organic molecules, including natural product analogs and ligands for catalysis.
• Liquid Crystal & OLED Precursor: Utilized in the synthesis of advanced organic compounds for display and lighting technologies due to its rigid, conjugated structure.

Basic Information

Product Name	2-Propynoicacid,2-Ethynylphenylester(9Ci)
CAS No.	714965-33-0
Molecular Formula	C11H6O2
Molecular Weight	170.16 g/mol
Synonyms	2-Ethynylphenyl propiolate; 2-Ethynylphenyl 2-propynoate; o-Ethynylphenyl propiolate; Propiolic acid 2-ethynylphenyl ester; 2-(Ethynyl)phenyl propynoate; 2-Propynoic acid, 2-ethynylphenyl ester; 2-Ethynylphenol propiolate
EINECS	Contact for details

Quality Control

Our production of 2-Propynoicacid,2-Ethynylphenylester(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is characterized using advanced analytical techniques, including HPLC, GC, and NMR spectroscopy. A comprehensive 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, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to the reactive nature of the alkyne and ester groups, it is recommended to store under an inert atmosphere for long-term stability and to minimize potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
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.