Description

3-Methyl-2,4-Hexadiene is a branched-chain conjugated diene with the CAS registry number 28823-42-9. This compound serves as a valuable chemical intermediate and building block in organic synthesis, prized for its reactive diene functionality. It is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty polymer sectors for the development of complex molecular structures.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules via Diels-Alder and other cycloaddition reactions.
• Agrochemical Synthesis: Serves as a key precursor in the production of pesticides, herbicides, and plant growth regulators.
• Specialty Polymer & Resin Production: Acts as a monomer or co-monomer in the creation of specialized polymers with tailored properties.
• Fine Chemical Manufacturing: Employed in research and production of flavors, fragrances, and other high-value fine chemicals.
• Organic Synthesis Reagent: A versatile diene component in academic and industrial research laboratories for constructing cyclic compounds.
• Cross-linking Agent: Can be utilized in formulations to introduce cross-links into polymer networks, enhancing material strength and thermal stability.

Basic Information

Product Name	3-Methyl-2,4-Hexadiene
CAS No.	28823-42-9
Molecular Formula	C7H12
Molecular Weight	96.17 g/mol
Synonyms	3-Methylhexa-2,4-diene; 2,4-Hexadiene, 3-methyl-; 3-Methyl-2,4-hexadiene (mixed isomers); (2E,4E)-3-Methylhexa-2,4-diene; (2Z,4E)-3-Methylhexa-2,4-diene; 3-Methyl-2,4-hexadiene, (E,E)-isomer; 3-Methyl-2,4-hexadiene, (Z,E)-isomer
EINECS	249-250-5

Quality Control

Our 3-Methyl-2,4-Hexadiene is produced under stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. 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. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated area away from heat and ignition sources. Due to its highly volatile and easily oxidized nature, the container should be kept tightly sealed and at a controlled ambient temperature (15-25°C).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0% (sum of isomers)
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.72 - 0.75
Refractive Index (20°C)	1.440 - 1.450

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