Description

(2-Hydroxy-Phenyl)-Propynoic Acid Ethyl Ester is a specialized organic ester compound featuring both phenolic and alkyne functional groups, making it a versatile intermediate for advanced synthesis. This compound is valued for its role in constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), especially those with complex phenolic or propargylic motifs.
• Agrochemical Research: Used in developing new crop protection agents, including fungicides and herbicides, leveraging its reactive alkyne group for further functionalization.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced organic materials.
• Chemical Synthesis: An important reagent for Sonogashira coupling and other palladium-catalyzed cross-coupling reactions to create conjugated systems.
• Academic & Industrial R&D: Employed in research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	(2-Hydroxy-Phenyl)-Propynoic Acid Ethyl Ester
CAS No.	160559-13-7
Molecular Formula	C11H10O3
Molecular Weight	190.20 g/mol
Synonyms	Ethyl 2-Hydroxyphenylpropiolate; Ethyl (2-Hydroxyphenyl)propiolate; 2-Hydroxyphenylpropiolic Acid Ethyl Ester; o-Hydroxyphenylpropiolic Acid Ethyl Ester; Propiolic acid, 2-hydroxyphenyl-, ethyl ester; Ethyl 2-hydroxyphenylpropynoate
EINECS	Contact for details

Quality Control

Our (2-Hydroxy-Phenyl)-Propynoic Acid Ethyl Ester is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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