Description

3-Ethyl-3-Octene is a branched, medium-chain internal alkene with the CAS number 19781-31-8. This compound serves as a valuable chemical intermediate and specialty monomer in advanced organic synthesis and polymer research. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for developing novel materials and fine chemicals.

Application

• Organic Synthesis Intermediate: Used in the preparation of more complex molecules for pharmaceutical and agrochemical active ingredients.
• Polymer & Material Science: Acts as a co-monomer or cross-linking agent in the development of specialty polymers, elastomers, and resins with tailored properties.
• Lubricant & Fuel Additive Research: Investigated as a precursor or component in the synthesis of advanced lubricant additives and fuel performance improvers.
• Fragrance & Flavor Chemistry: Serves as a building block for the synthesis of specific aroma chemicals and flavor compounds.
• Surface Active Agent Precursor: Utilized in the production of surfactants and emulsifiers for industrial formulations.
• Chemical Research & Development: A key reagent in academic and industrial labs for studying olefin metathesis, hydrogenation, and other catalytic processes.

Basic Information

Product Name	3-Ethyl-3-Octene
CAS No.	19781-31-8
Molecular Formula	C₁₀H₂₀
Molecular Weight	140.27 g/mol
Synonyms	3-Ethyl-3-octene; 3-Ethyloct-3-ene; (E)-3-Ethyl-3-octene; (Z)-3-Ethyl-3-octene; 3-Octene, 3-ethyl-; Ethyloctene; NSC 163468
EINECS	Contact for details

Quality Control

Our 3-Ethyl-3-Octene is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including GC, GC-MS, and NMR, to ensure high purity and consistent composition. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing identity, assay, and impurity profiles. Our quality system is designed to meet the stringent requirements of research and industrial-scale synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 2°C and 25°C. For long-term storage under an inert atmosphere (nitrogen or argon), please contact our technical team.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 95.0% (Typical 97-99%)
Isomeric Ratio (E/Z)	Specified on COA
Water Content (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.5%

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