Description

(2E,4E)-4-Methyl-2,4-Hexadienoic Acid Ethyl Ester is a high-purity, conjugated diene ester with the CAS number 90107-62-3. This compound serves as a versatile chemical intermediate and building block in advanced organic synthesis, valued for its unique structural motif. It is primarily utilized by R&D laboratories and production facilities in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex molecules for drug discovery and development.
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and pesticides.
• Flavor & Fragrance Ingredient: Serves as a precursor for creating specific aroma compounds.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the development of specialty polymers.
• Organic Synthesis Building Block: Employed in Diels-Alder reactions and other cycloadditions to construct complex ring systems.
• Research & Development: Essential for academic and industrial research in synthetic organic chemistry.

Basic Information

Product Name	(2E,4E)-4-Methyl-2,4-Hexadienoic Acid Ethyl Ester
CAS No.	90107-62-3
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Ethyl (2E,4E)-4-Methyl-2,4-hexadienoate; 4-Methyl-2,4-hexadienoic Acid Ethyl Ester; (E,E)-Ethyl 4-Methyl-2,4-hexadienoate; Ethyl Sorbate Homolog; 2,4-Hexadienoic Acid, 4-Methyl-, Ethyl Ester, (2E,4E)-; Ethyl 4-Methyl-2,4-hexadienoate
EINECS	Contact for details

Quality Control

Our (2E,4E)-4-Methyl-2,4-Hexadienoic Acid Ethyl Ester is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications and test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Isomeric Purity (GC/HPLC)	≥ 95.0% (2E,4E)-isomer
Water Content (KF)	≤ 0.5%

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