Overview
Methyl Perfluorobutyl Ether (CAS 163702-07-6) is a highly stable, colorless, and transparent fluorinated ether compound. Known for its exceptional chemical inertness, low surface tension, and non-flammability, it is widely used as a specialty solvent, heat transfer medium, and electronic cleaning agent. Due to its unique combination of volatility, dielectric strength, and environmental performance, this compound plays a crucial role in high-tech industries such as semiconductors, precision cleaning, and fluorochemical formulations.
Chemical Properties
Appearance: Clear, colorless liquid
Boiling Point: Approximately 60–70 °C (depending on isomer composition)
Density: ~1.6 g/cm³ at 25 °C
Vapor Pressure: Moderate
Solubility: Insoluble in water; soluble in many fluorinated or organic solvents
Stability: Chemically and thermally stable; non-reactive with acids, bases, or oxidizing agents
The presence of perfluorinated alkyl chains grants excellent chemical resistance and low surface energy, making Methyl Perfluorobutyl Ether a preferred component in advanced industrial formulations.
Applications
Electronics and Semiconductor Industry
Methyl Perfluorobutyl Ether is extensively used as a precision cleaning solvent for removing microcontaminants from delicate electronic components, semiconductor wafers, and optical instruments. It evaporates cleanly without residue, making it ideal for critical cleaning applications.
Heat Transfer Fluid
With excellent thermal stability and dielectric properties, it serves as a heat transfer medium in cooling systems, particularly in electronics and aerospace applications.
Fluorinated Solvent and Carrier Fluid
The compound is often used as a carrier fluid or diluent for fluorochemical systems, including perfluoropolyether (PFPE) lubricants, due to its compatibility and volatility.
Aerospace and Defense Applications
Its non-flammability and stability under extreme conditions make it valuable for aerospace cooling and cleaning operations.
Environmental and Safety Uses
Compared with traditional chlorinated solvents, Methyl Perfluorobutyl Ether provides a non-ozone-depleting alternative, aligning with modern environmental standards such as RoHS and REACH compliance.
Storage and Handling
Store in a cool, dry, well-ventilated area away from open flames or strong oxidizers. Containers should be tightly sealed to prevent evaporation. Use protective gloves and goggles when handling large volumes.
Safety Information
Hazard Classification: Non-flammable, low toxicity
Inhalation: Avoid prolonged exposure to vapor
Environmental Impact: Low ozone depletion potential, but should be handled to prevent unnecessary emissions
Where to Buy Methyl Perfluorobutyl Ether (CAS 163702-07-6)
When sourcing Methyl Perfluorobutyl Ether, choose a reliable manufacturer or supplier offering high-purity products suitable for electronics, aerospace, or specialty chemical use. Verify the COA (Certificate of Analysis) and MSDS (Material Safety Data Sheet) before procurement to ensure quality and safety standards are met.