Description

1,11-Dodecadiyne is a high-purity, linear diacetylene compound with the CAS number 20521-44-2. This specialty alkyne is a valuable building block in advanced organic synthesis and materials science, prized for its rigid, conjugated structure. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and polymer industries developing novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for constructing complex molecular scaffolds in drug discovery and development.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for creating specialty polymers, conductive materials, and liquid crystals.
• Organic Synthesis: A versatile reagent for cycloaddition reactions, Sonogashira couplings, and the synthesis of macrocycles and natural product analogs.
• Research & Development: Employed in academic and industrial R&D for exploring new chemical reactions and material properties.
• Surface Modification: Used to create functionalized surfaces with specific chemical properties for sensors and coatings.

Basic Information

Product Name	1,11-Dodecadiyne
CAS No.	20521-44-2
Molecular Formula	C₁₂H₁₈
Molecular Weight	162.27 g/mol
Synonyms	Dodeca-1,11-diyne; 1,11-Dodecadiyne; 1,11-Dodecadi-1,11-yne; Dodecadiyne; Linear C12 Diacetylene; α,ω-Dodecadiyne
EINECS	243-861-6

Quality Control

Our 1,11-Dodecadiyne is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area. Recommended long-term storage temperature is 2-8°C. Keep away from heat, sparks, and open flames.

Specification

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