Description

3,4-Heptadiene CAS NO 2454-31-1 is a high-purity, linear conjugated diene characterized by its unique seven-carbon chain and internal double bonds. This compound serves as a valuable and versatile building block in advanced organic synthesis and materials science research. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Organic Synthesis Intermediate: A key precursor in Diels-Alder reactions for the synthesis of complex cyclic and polycyclic compounds.
• Pharmaceutical Research: Used in the development of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Development: Employed in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Specialty Polymer & Resin Production: Acts as a monomer or co-monomer for creating polymers with specific optical or mechanical properties.
• Fragrance & Flavor Chemistry: Serves as a starting material for synthesizing specific aroma chemicals and flavoring agents.
• Material Science Research: Utilized in the development of novel organic electronic materials and advanced coatings.
• Cross-coupling Reactions: Functions as a substrate in metal-catalyzed coupling reactions (e.g., Heck, Suzuki) to form new carbon-carbon bonds.
• Academic & Industrial R&D: A fundamental reagent for methodological studies and exploring new synthetic pathways in chemistry.

Basic Information

Product Name	3,4-Heptadiene
CAS No.	2454-31-1
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	Hepta-3,4-diene; 3,4-Heptadiene; (3E)-Hepta-3,4-diene; (3Z)-Hepta-3,4-diene; 1,2-Diethylallene; 3,4-Diethylidene-pentane; 1-Ethyl-2-ethylidenecyclopropane (tautomer)
EINECS	219-518-8

Quality Control

Our 3,4-Heptadiene is produced under stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting all critical quality parameters. Our commitment to reliable supply and batch-to-batch consistency meets the rigorous demands of industrial and research applications.

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 storage temperature is 2-8°C to maximize 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)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.05%

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