Description

(E)-3-Undecen-5-yne is a high-purity, unsaturated hydrocarbon building block characterized by its conjugated enyne structure. This unique molecular architecture makes it a valuable intermediate for advanced organic synthesis, particularly in the construction of complex natural products and functional materials. It is primarily utilized by research institutions and industrial R&D departments specializing in pharmaceuticals, agrochemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of bioactive molecules and potential drug candidates, leveraging its reactive alkyne and alkene functionalities.
• Agrochemical Research: Used in the development of novel active ingredients for crop protection, where its structure can be incorporated into new chemical entities.
• Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers with tailored optical or electronic properties.
• Organic Synthesis: A versatile building block for Diels-Alder reactions, cycloadditions, and other carbon-carbon bond-forming transformations in academic and industrial laboratories.
• Fragrance & Flavor Chemistry: Employed in the research and synthesis of novel aroma compounds due to its hydrocarbon backbone.

Basic Information

Product Name	(E)-3-Undecen-5-yne
CAS No.	74744-29-9
Molecular Formula	C₁₁H₁₈
Molecular Weight	150.26 g/mol
Synonyms	(E)-3-Undecen-5-yne; 3-Undecen-5-yne, (E)-; trans-3-Undecen-5-yne; 5-Undecen-3-yne, (E)-; Undec-3-en-5-yne; 3-Undecene-5-yne
EINECS	Contact for details

Quality Control

Our (E)-3-Undecen-5-yne is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Recommended storage temperature is 2-8°C for long-term stability. Keep away from heat, sparks, and open flames.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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