


Methyl Perfluoroisobutyl Ether is an environmentally friendly fluorinated solvent belonging to the hydrofluoroether (HFE) class. Its molecules contain no chlorine or bromine, it has an Ozone Depletion Potential (ODP) of 0, and it exhibits low Global Warming Potential (GWP), making it an ideal substitute for traditional Freon and chlorinated hydrocarbon cleaning agents. It features chemical inertness, low surface tension, moderate volatility, non-flammability, and excellent insulation properties, making it widely used in electronics, cosmetics, precision manufacturing, and other industries.
| Item | Specification |
| Melting point | −135 °C |
| Boiling point | 59 °C |
| Density | 1.5 g/cm³ (at 25 °C) |
| Vapor Pressure | 28 kPa at 25 °C |
| Flash Point | N/A |
| Refractive Index | 1.27–1.3 |
| Kinematic viscosity | 0.38 cSt at 25 °C |
| Surface tension | 13.6 dyn/cm at 25 °C |
| Solubility | Insoluble in water; miscible with most organic solvents; good solubility in oils and silicone oils. |
Electronics industry: Perfluorobutyl methyl ether is used for precision cleaning and dehydration/drying of semiconductors, PCBs, and precision components
Cosmetics: Perfluorobutyl methyl ether is used as a volatile, refreshing solvent and skin-feel modifier in sunscreen, color cosmetics, and antiperspirant products
Industrial Applications: Heat transfer fluid, refrigerant, leak detector for precision instruments, mold release agent
Other: Aerosol diluent, inert reaction solvent for laboratory use
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