Description

1,4-Hexadiyne (CAS NO 10420-91-4) is a highly versatile, linear diacetylene compound that serves as a critical building block in advanced organic synthesis. Its unique conjugated triple-bond structure makes it an invaluable precursor for the development of specialized polymers, pharmaceuticals, and novel materials. This high-purity intermediate is essential for research and production in the pharmaceutical, agrochemical, and advanced materials sectors, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Polymer Science: Used as a monomer or cross-linking agent in the synthesis of specialty polymers, including polyacetylenes with unique optical or conductive properties.
• Agrochemical Synthesis: Acts as a building block for creating novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Employed in the development of carbon-rich materials, molecular wires, and advanced nanostructures.
• Organic Synthesis: A fundamental reagent for Diels-Alder reactions, [2+2] cycloadditions, and other cyclization processes to construct complex organic frameworks.
• Liquid Crystal & OLED Precursor: Utilized in the synthesis of organic semiconductors and components for display technologies.

Basic Information

Product Name	1,4-Hexadiyne
CAS No.	10420-91-4
Molecular Formula	C6H6
Molecular Weight	78.11 g/mol
Synonyms	Hexa-1,4-diyne; 1,4-Hexadiyne; 1,4-Diethylnyl ethylene; Biallyl; 1,4-Diethynylethane; 1,4-Diethylnyl-1,3-butadiene (incorrect but common alias); Contact for details on additional trade names.
EINECS	233-899-7

Quality Control

Our 1,4-Hexadiyne is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile nature, store in a cool, well-ventilated place, ideally at 2-8°C or as specified on the label. Keep away from heat, sparks, open flames, and oxidizing agents. Containers must be kept tightly sealed to prevent evaporation and potential concentration of peroxides.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total

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