Dioctyl ether

Dioctyl ether (CAS 629-82-3) is a symmetric dialkyl ether that functions as a stable, high-boiling reagent in organic synthesis. Its non-polar character and low reactivity make it suitable for reactions requiring inert media or specific solubility profiles in fine chemical processes.

Basic Information

CAS No.	629-82-3
EC No.	211-112-6
Linear Formula	[CH3(CH2)7]2O
Molecular Weight	242.44
Appearance	Colorless to light yellow clear liquid
Melting Point	-7.6 °C (lit.)
Boiling point	286-287 °C (lit.)
Density	0.806 g/mL at 25 °C (lit.)
Solubility	Insoluble in water; soluble in common organic solvents
Storage Conditions	Store in a tightly closed container in a cool, dry place away from heat and ignition sources.
Chemical Structure

Key Applications

• High-boiling inert solvent: Dioctyl ether is widely used as a high-boiling, non-polar solvent in organic synthesis, providing a stable reaction medium for processes requiring thermal stability and low reactivity. It is a typical product in Long-Chain Ethers and Fatty Alcohol Derivatives for Specialty Synthesis, where long alkyl chains contribute to low polarity and high boiling points.

• Reaction medium for controlled synthesis: Its chemical inertness makes dioctyl ether suitable for reactions sensitive to side reactions, supporting selective transformations and improved product isolation. This application falls within the long-chain ether application category.

• Fine chemical processing: Employed in fine chemical production where stable solvent environments are required, particularly in high-temperature or non-polar reaction systems.

• Laboratory research: Widely applied in research for developing synthetic methodologies requiring high-boiling inert solvents and controlled reaction environments.

• Process development: Supports route optimization and scale-up in organic processes where solvent stability, low volatility, and consistent performance are essential.

Dioctyl ether belongs to the Long-Chain Ethers and Fatty Alcohol Derivatives application category and is part of our broader portfolio of Ethers for Pharmaceutical Intermediates & Specialty Synthesis, covering long-chain dialkyl ethers, solvent systems, and specialty intermediates for fine chemical and industrial applications.

• Flexible global supply: Stable international logistics ensure dependable supply from laboratory to bulk scale for fine chemical customers worldwide.

• SDS and COA support: Complete SDS, COA, and technical documentation available upon request to streamline quality review and international procurement.

• Packaging and technical service: Flexible packaging in 1 kg, 5 kg, and 25 kg fiber drums with PE liners, supported by responsive technical communication for synthesis needs.