Description

Ethyl trans-4-Octenoate is a high-purity, unsaturated ester compound with the CAS registry number 78989-37-4. This specialty chemical serves as a valuable intermediate and building block in advanced organic synthesis, prized for its defined stereochemistry and reactive alkene functionality. It is primarily utilized by research and development laboratories, flavor and fragrance houses, and fine chemical manufacturers seeking to create complex molecules for various high-value applications.

Application

• Flavor and Fragrance (F&F) Ingredient: Used as a key intermediate or aroma component in the synthesis of complex fruity, green, or waxy notes for perfumes and food flavorings.
• Pharmaceutical Intermediate: Serves as a chiral building block in the research and development of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Agrochemical Synthesis: Employed in the production of specialized pesticides, herbicides, or plant growth regulators where specific alkene geometry is required.
• Organic Synthesis Reagent: Acts as a versatile substrate in various organic reactions, including cross-coupling, hydrogenation, and cyclization, for academic and industrial R&D.
• Liquid Crystal and Advanced Material Precursor: Utilized in the synthesis of organic components for electronic displays and functional polymeric materials.
• Specialty Polymer Modifier: Can be incorporated as a co-monomer to introduce specific double bonds and ester groups, modifying polymer properties like flexibility and reactivity.

Basic Information

Product Name	Ethyl trans-4-Octenoate
CAS No.	78989-37-4
Molecular Formula	C₁₀H₁₈O₂
Molecular Weight	170.25 g/mol
Synonyms	trans-4-Octenoic Acid Ethyl Ester; Ethyl (E)-4-Octenoate; (E)-4-Octenoic Acid Ethyl Ester; 4-Octenoic Acid, Ethyl Ester, (4E)-; Ethyl trans-Oct-4-enoate; FEMA 3642; 4-Octenoic acid, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl trans-4-Octenoate is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure identity, purity, and isomer specification. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Isomeric Purity (trans-4-)	≥ 95.0%
Refractive Index (20°C)	1.428 - 1.432
Specific Gravity (20/20°C)	0.880 - 0.890

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