Description

(4E)-4-Nonenoic Acid Ethyl Ester is a high-purity, unsaturated fatty acid ester characterized by its specific cis-configuration. This compound serves as a valuable intermediate and building block in organic synthesis, prized for its defined molecular structure and reactivity. It is essential for manufacturers and R&D laboratories in the flavor & fragrance, pharmaceutical, and specialty chemical sectors seeking to create complex molecules with specific olfactory or biological properties.

Application

• Flavor and Fragrance Ingredient: Used as a key intermediate in the synthesis of complex aroma chemicals, contributing to fruity, waxy, or green olfactory notes.
• Pharmaceutical Intermediate: Serves as a chiral building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Organic Synthesis Reagent: Employed in various organic reactions, including cross-coupling, hydrogenation, and esterification, to introduce the nonenoic acid moiety.
• Liquid Crystal and Polymer Research: Acts as a monomer or precursor in the development of advanced materials with specific optical or physical properties.
• Agrochemical Synthesis: Utilized in the production pathway for certain pesticides and herbicides requiring specific aliphatic chains.
• Standard for Analytical Chemistry: Used as a reference standard in gas chromatography (GC) and mass spectrometry (MS) for quality control and research purposes.

Basic Information

Product Name	(4E)-4-Nonenoic Acid Ethyl Ester
CAS No.	69361-38-2
Molecular Formula	C₁₁H₂₀O₂
Molecular Weight	184.28 g/mol
Synonyms	Ethyl (4E)-4-Nonenoate; Ethyl trans-4-Nonenoate; 4-Nonenoic Acid Ethyl Ester, (E)-; (E)-4-Nonenoic Acid Ethyl Ester; Ethyl 4-Nonenoate; trans-Ethyl 4-Nonenoate; FEMA 4610; Non-4-enoic acid ethyl ester
EINECS	Contact for details

Quality Control

Our (4E)-4-Nonenoic Acid Ethyl Ester is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high chemical purity and isomeric integrity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all relevant specifications. Our quality systems are designed to meet the stringent requirements of research, flavor & fragrance (FEMA), and pharmaceutical intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Isomeric Purity ((E)-isomer)	≥ 95.0%
Refractive Index (n20/D)	1.430 - 1.440
Specific Gravity (20°C)	0.870 - 0.890

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