Description

3-Ethyl-1-Octene is a branched-chain terminal alkene of significant interest in advanced organic synthesis and materials science. Its unique structure makes it a valuable intermediate for creating specialty polymers, fine chemicals, and performance additives. This compound is particularly sought after by R&D laboratories and industrial manufacturers in the polymer, lubricant, and specialty chemical sectors for its role in producing tailored molecular architectures.

Application

• Polymer & Copolymer Synthesis: Serves as a key comonomer for producing linear low-density polyethylene (LLDPE) and other polyolefins with modified properties.
• Fine Chemical Intermediate: Used in the synthesis of complex organic molecules for pharmaceuticals, agrochemicals, and fragrances.
• Lubricant & Fuel Additive Precursor: Acts as a building block for manufacturing synthetic esters and other high-performance additive components.
• Organic Synthesis & Catalysis Research: A valuable substrate in hydroformylation, metathesis, and other catalytic reactions for academic and industrial R&D.
• Surfactant & Detergent Industry: Utilized in the production of branched-chain alkylbenzenes and other surfactant raw materials.
• Specialty Material Development: Employed in creating novel elastomers, adhesives, and coatings with specific performance characteristics.

Basic Information

Product Name	3-Ethyl-1-Octene
CAS No.	74630-08-3
Molecular Formula	C₁₀H₂₀
Molecular Weight	140.27 g/mol
Synonyms	1-Octene, 3-ethyl-; 3-Ethyloct-1-ene; Ethylhexylethylene; 1-Ethylhexylethylene; 3-Ethyl-1-octylene; (3-Ethyloctyl)ethylene; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 3-Ethyl-1-Octene is produced under a stringent quality management system to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC, GC-MS, and NMR to verify identity, purity, and the absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its nature as an easily oxidized compound, minimize headspace and exposure to air after opening.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (20°C)	~0.73 g/mL
Refractive Index (n20D)	~1.415
Water Content (KF)	≤ 0.1%

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