Description

(2E,4E)-2,4-Hexadienoic Acid Propyl Ester is a synthetic ester derivative of sorbic acid, valued for its role as a versatile chemical intermediate and flavor/fragrance component. Its conjugated diene structure makes it a key building block for synthesizing more complex organic molecules and specialty additives. This product is essential for manufacturers in the flavor & fragrance, agrochemical, and fine chemical industries seeking reliable, high-purity intermediates.

Application

• Flavor and Fragrance Ingredient: Used as a synthetic intermediate or modifier in the creation of fruity and green flavor notes for food products and fragrances.
• Chemical Synthesis Intermediate: Serves as a crucial building block in organic synthesis, particularly in Diels-Alder reactions and the production of other sorbic acid derivatives.
• Agrochemical Synthesis: Acts as a precursor in the manufacturing of certain pesticides and plant growth regulators.
• Polymer Additive: Can be utilized in the production of specialty polymers or as a monomer for coatings and resins.
• Research & Development: Employed in pharmaceutical and material science R&D for exploring new chemical entities and functional materials.

Basic Information

Product Name	(2E,4E)-2,4-Hexadienoic Acid Propyl Ester
CAS No.	88973-62-0
Molecular Formula	C9H14O2
Molecular Weight	154.21 g/mol
Synonyms	Propyl Sorbate; Propyl (2E,4E)-Hexa-2,4-dienoate; 2,4-Hexadienoic Acid, Propyl Ester; Sorbic Acid Propyl Ester; NSC 153043; FEMA 2939; (E,E)-Propyl Sorbate; Propyl (E,E)-Sorbate
EINECS	Contact for details

Quality Control

Our (2E,4E)-2,4-Hexadienoic Acid Propyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to maintain quality.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Isomeric Purity (E,E)	≥ 95.0%
Refractive Index (20°C)	1.470 - 1.480
Specific Gravity (20°C)	0.950 - 0.970

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