Description

2-Undecynoic Acid Ethyl Ester is a high-purity synthetic intermediate characterized by its terminal alkyne functionality. This compound is valued for its role as a versatile building block in organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and specialty chemical sectors for applications in medicinal chemistry and material science.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of active pharmaceutical ingredients (APIs), particularly for compounds requiring alkyne coupling reactions.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides, where its alkyne group allows for structural diversification.
• Material Science Research: Acts as a monomer or precursor in the synthesis of specialized polymers and advanced organic materials.
• Chemical Biology Probes: Utilized in click chemistry applications (e.g., CuAAC reactions) for labeling and bioconjugation studies.
• Fragrance & Flavor Chemistry: Employed as an intermediate for synthesizing specific aroma chemicals and flavoring agents.
• Organic Synthesis Building Block: Provides a critical C11 chain with an ester and alkyne for carbon-carbon bond formation strategies like Sonogashira coupling.

Basic Information

Product Name	2-Undecynoic Acid Ethyl Ester
CAS No.	10519-17-2
Molecular Formula	C₁₃H₂₂O₂
Molecular Weight	210.31 g/mol
Synonyms	Ethyl 2-Undecynoate; Ethyl Undec-2-ynoate; 2-Undecynoic Acid Ethyl Ester; Ethyl 2-Hendecynoate; Undec-2-ynoic Acid Ethyl Ester; Ethyl Decynecarboxylate; 2-Hendecynoic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our 2-Undecynoic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results is provided with every shipment.

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). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/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.