Description

(E)-5-Ethoxy-4-Pentenoic Acid Ethyl Ester is a high-purity, unsaturated ester compound serving as a versatile building block in advanced organic synthesis. Its value lies in the strategic placement of its ethoxy and ester functional groups, which enable precise chemical transformations for creating complex molecular architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for the construction of complex drug molecules, particularly those requiring specific alkene geometry for biological activity.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to specific modes of action.
• Flavor and Fragrance Ingredient: Serves as a precursor for synthesizing esters and lactones with specific fruity or floral olfactory notes.
• Polymer Chemistry: Acts as a monomer or co-monomer in the synthesis of specialty polymers with tailored properties, such as functionalized polyesters or coatings.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for methodologies like cross-coupling reactions, cyclizations, and asymmetric synthesis.
• Liquid Crystal and Electronic Material Precursor: Used in the development of organic electronic materials and liquid crystal displays (LCDs) due to its conjugated system.

Basic Information

Product Name	(E)-5-Ethoxy-4-Pentenoic Acid Ethyl Ester
CAS No.	55162-84-0
Molecular Formula	C9H16O3
Molecular Weight	172.22 g/mol
Synonyms	Ethyl (E)-5-ethoxy-4-pentenoate; 4-Pentenoic acid, 5-ethoxy-, ethyl ester, (E)-; Ethyl 5-ethoxy-4-pentenoate; (E)-Ethyl 5-ethoxy-4-pentenoate; 5-Ethoxy-4-pentenoic acid ethyl ester; trans-5-Ethoxy-4-pentenoic acid ethyl ester; Ethyl trans-5-ethoxy-4-pentenoate
EINECS	Contact for details

Quality Control

Our (E)-5-Ethoxy-4-Pentenoic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flames. Ensure containers are kept tightly sealed when not in use to prevent evaporation and potential contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0% (Area %)
Isomeric Purity ((E)-isomer)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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