Description

1,5-Heptadien-3-yne is a highly reactive, unsaturated hydrocarbon building block characterized by its conjugated diyne structure. This unique molecular architecture makes it a valuable intermediate for advanced organic synthesis and materials science research. It is primarily utilized by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring rigid, linear carbon scaffolds.
• Agrochemical Research: Used in developing new crop protection agents and herbicides, where its reactive alkene and alkyne groups allow for diverse functionalization.
• Specialty Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of conjugated polymers, dendrimers, and advanced materials with tailored electronic or optical properties.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions, [2+2] cycloadditions, and other cyclization strategies to construct complex polycyclic compounds in academic and industrial research.
• Ligand & Catalyst Development: Useful for synthesizing novel chelating ligands or metal-organic frameworks (MOFs) due to its multiple coordination sites.

Basic Information

Product Name	1,5-Heptadien-3-yne
CAS No.	3511-27-1
Molecular Formula	C7H8
Molecular Weight	92.14 g/mol
Synonyms	1,5-Heptadien-3-yne; Hepta-1,5-dien-3-yne; 3-Hepten-1,5-diyne; Vinylbutadiyne; 1,5-Heptadiyne-3-ene
EINECS	Contact for details

Quality Control

Our 1,5-Heptadien-3-yne is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment to support your quality assurance and regulatory needs.

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 place. Recommended storage temperature is 2-8°C for extended stability. Keep away from heat, sparks, open flames, and oxidizing agents.

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.