Description

1,6-Undecadiyne is a high-purity, linear aliphatic diyne compound, identified by CAS NO 64275-43-0. This specialty chemical serves as a critical building block in advanced organic synthesis, offering two reactive alkyne groups for precise molecular construction. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries developing novel compounds, polymers, and functional materials.

Application

The dual alkyne functionality of 1,6-Undecadiyne makes it a versatile intermediate for creating complex molecular architectures. Its primary applications include:

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates, particularly those requiring rigid, linear spacers.
• Agrochemical Synthesis: Serves as a key precursor for developing new pesticides, herbicides, and plant growth regulators with tailored properties.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, including polyacetylenes and other conjugated materials for electronic or optical applications.
• Organic Synthesis & Research: A valuable reagent for click chemistry (e.g., Copper-Catalyzed Azide-Alkyne Cycloaddition), Sonogashira couplings, and other metal-catalyzed cross-coupling reactions.
• Liquid Crystal & OLED Materials: Employed in the synthesis of core structures for advanced display and lighting technologies due to its linear and rigid nature.
• Surface Modification & Nanotechnology: Used to create self-assembled monolayers (SAMs) or functionalize surfaces and nanoparticles.

Basic Information

Product Name	1,6-Undecadiyne
CAS No.	64275-43-0
Molecular Formula	C₁₁H₁₆
Molecular Weight	148.24 g/mol
Synonyms	Undeca-1,6-diyne; 1,6-Undecadiyne; 1,6-Hendecadiyne; 1,6-Undecadi-ine; Linear C11 Diyne; Aliphatic C11 Diyne
EINECS	Contact for details

Quality Control

Our 1,6-Undecadiyne is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for manufacturing where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, open flames, and strong oxidizing agents. For long-term storage under an inert atmosphere (e.g., nitrogen or argon) is recommended to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~0.80 g/mL

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