Description

2,4-Dimethyl-2,3-heptadien-5-yne is a specialized, highly unsaturated hydrocarbon building block characterized by its conjugated diyne structure. This compound matters for its unique reactivity profile, serving as a critical intermediate in advanced organic synthesis and materials science research. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty polymer industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring complex alkyne frameworks.
• Agrochemical Synthesis: Serves as a key precursor for developing new crop protection agents and herbicides with specific modes of action.
• Material Science Research: Employed in the development of advanced polymers, conductive materials, and liquid crystals due to its rigid, linear structure.
• Organic Synthesis Building Block: A versatile reagent for Diels-Alder reactions, cycloadditions, and other transformations to create complex polycyclic compounds.
• Catalyst Ligand Precursor: Used in the preparation of specialized ligands for transition metal catalysis in fine chemical manufacturing.
• Flavor & Fragrance Chemistry: Acts as an intermediate for synthesizing specific terpenoid and musk-related aroma chemicals.

Basic Information

Product Name	2,4-Dimethyl-2,3-Heptadien-5-Yne
CAS No.	41898-89-9
Molecular Formula	C9H12
Molecular Weight	120.19 g/mol
Synonyms	2,4-Dimethylhepta-2,3-dien-5-yne; 2,3-Heptadien-5-yne, 2,4-dimethyl-; 2,4-Dimethyl-2,3-heptadiene-5-yne
EINECS	Contact for details

Quality Control

Our 2,4-Dimethyl-2,3-heptadien-5-yne is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, GC-MS, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, detailing all critical quality parameters to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated place at 2-8°C to minimize oxidation and volatility. Keep away from heat, sparks, and open flames. For long-term storage, consider freezing at -20°C.

Specification

Item	Specification
Appearance	Clear, 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.