Description

(2E,4Z)-2,4-Hexadienoic Acid is a conjugated diene carboxylic acid, a versatile organic intermediate prized for its unique stereochemistry and reactivity. This compound is essential for synthesizing complex molecules where specific geometric isomerism is required, offering precise control in chemical synthesis. It is a critical building block for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing advanced active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of stereochemically defined active pharmaceutical ingredients (APIs), particularly for compounds requiring specific (E,Z) diene configurations.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the conjugated diene acid structure contributes to biological activity.
• Flavor and Fragrance Ingredient: Serves as a building block for creating unsaturated lactones and esters that contribute to complex flavor and aroma profiles.
• Polymer Chemistry: Acts as a monomer or co-monomer for creating specialty polymers with tailored properties, such as adhesives and coatings.
• Organic Synthesis Reagent: Employed in Diels-Alder reactions and other cycloadditions as a diene component for constructing six-membered rings and other complex cyclic structures.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new synthetic methodologies and creating novel chemical entities.

Basic Information

Product Name	(2E,4Z)-2,4-Hexadienoic Acid
CAS No.	30361-30-9
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	(2E,4Z)-2,4-Hexadienoic Acid; (E,Z)-Sorbic Acid; trans,cis-2,4-Hexadienoic Acid; 2,4-Hexadienoic Acid, (2E,4Z)-; 2-trans,4-cis-Hexadienoic Acid; (2E,4Z)-2,4-Hexadienoate; Parasorbic Acid (isomer); UNII-45IQA1C01P
EINECS	250-161-6

Quality Control

Our (2E,4Z)-2,4-Hexadienoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and stereochemical confirmation, to ensure it meets precise specifications for research and industrial use. Certificates of Analysis (COA) detailing identity, purity, and isomer ratio are provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
(2E,4Z) Isomer Ratio	≥ 95:5 (E,Z : other isomers)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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