FC-43 Perfluorotributylamine CAS No.ú¦311-89-7 Assayú¦í¦82% Appearanceú¦colorless clear liquid Main applicationú¦1. As an anticorrosive driving isolating liquid for apparatus & Instruments. 2. As a dielectric insulating oil. 3. Stable diluent specific solvent or reagent for chemical reaction. 4. Thermoconducting cooling agent used for transformer, Particularly small transformer for tall & big buildings. 5. Oxidation-resistant lubricant. 6. Fluorocarbon emulsion used as blood substitute. 7. Leak detecting liquid of electronic devices.