163702-08-7

Methyl perfluoro isobutyl ether (163702-08-7): a unique fluorinated ether.
Methyl perfluoroisobutyl ether is a colourless, clear, and odourless liquid substance. Methyl perfluoro isobutyl ether, also known as perfluoro methyl isobutyl ether, is a fluorinated ether with a highly stable and inert molecular structure due to the presence of fluorine atoms replacing all hydrogen atoms. This chemical exhibits excellent thermal and chemical stability, low viscosity, and unique solvating properties. Due to these properties, it is primarily used as a speciality solvent in the chemical and electronic industries. Additionally, it has applications in refrigeration and as a heat transfer fluid. Its inert nature makes it ideal for environments requiring non-reactive conditions at elevated temperatures and pressures.

Methyl perfluoroisobutyl ether is a useful research chemical.

Methyl perfluoroisobutyl ether (163702-08-7) is widely used in the following areas:
(1) As a diluent: Used as a diluent for anti-fingerprint solutions and lubricants；
(2) As lubricants and additives for cosmetic and chemical product manufacturing;
(3) As a cleaning solvent and bleaching agent, it is used as a rinsing agent for semiconductor devices, metal degreasing and cleaning, plastics cleaning, resin cleaning, and dust removal;
(4) As coolants for data centre immersion cooling, semiconductor temperature control/coolant, power component cooling, food, medical industry cooling.

To broaden its cleaning spectrum, the industry commonly adopts a "co-solvent" strategy by blending methyl perfluoroisobutyl ether (HFE-7100) with isopropyl alcohol (IPA)^[1].

[1] Song, X., Guo, H., Li, Y., Cao, J., & Feng, W. (2026). Efficient separation of HFE-7100/ isopropyl alcohol azeotropic system using ionic liquids: Experimental, thermodynamic model, and process optimization. Chemical Engineering Research & Design, 227, Pages 779-793. https://doi.org/10.1016/j.cherd.2026.02.044
[2] Song, X., Guo, H., Li, Y., Cao, J., Feng, W. (2026). Efficient separation of HFE-7100/ isopropyl alcohol azeotropic system using ionic liquids: Experimental, thermodynamic model, and process optimization. Chemical Engineering Research and Design, 227, 779–793. https://doi.org/10.1016/j.cherd.2026.02.044
[3] Cui, J., Gui, M., Zhang, Y., Chen, D., Liu, W., Zhu, C. (2025). Improved paper deacidification performance with CaMgO2 nanocomposite in fluorocarbon solvent. Surfaces and Interfaces, 67, 106611. https://doi.org/10.1016/j.surfin.2025.106611