Description

5,17-Docosadiyne is a high-purity, long-chain diacetylene compound with the CAS registry number 168298-58-6. This specialty alkyne serves as a critical building block in advanced materials science and organic synthesis, valued for its unique linear structure and reactive triple bonds. It is essential for researchers and manufacturers in the fields of polymer chemistry, nanotechnology, and pharmaceutical intermediate development who require precise molecular architectures.

Application

• As a key monomer for the synthesis of polydiacetylenes (PDAs), used in colorimetric sensors and smart packaging materials.
• In the development of advanced polymeric materials with tailored optical and electronic properties.
• As a versatile organic synthesis intermediate for constructing complex molecular frameworks in pharmaceutical research.
• For surface modification and the creation of self-assembled monolayers (SAMs) on various substrates.
• In materials research for nonlinear optical (NLO) applications and photonic devices.
• As a precursor for carbon-rich materials and model compound in supramolecular chemistry studies.

Basic Information

Product Name	5,17-Docosadiyne
CAS No.	168298-58-6
Molecular Formula	C₂₂H₃₈
Molecular Weight	302.54 g/mol
Synonyms	Docosa-5,17-diyne; 5,17-Docosadiyne; 5,17-Docosadi-1,20-yne; C22:2 Diyne; 5,17-Docosadiyne (C22 Diacetylene); Linear C22 Diacetylene
EINECS	Contact for details

Quality Control

Our 5,17-Docosadiyne is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including chromatography and spectroscopic methods, to verify identity and assay. Certificates of Analysis (COA) detailing all quality parameters are provided and available upon request to support your research and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details

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