Description

Perfluorodibutylether (CAS NO 308-48-5) is a fully fluorinated, high-performance ether characterized by its exceptional chemical inertness and thermal stability. This compound is a critical material for demanding industrial applications where resistance to harsh environments is paramount. It is primarily utilized in the electronics, aerospace, and specialty chemical manufacturing sectors as a high-performance fluid, lubricant, and heat transfer medium.

Application

• Electronics Manufacturing: Used as a heat transfer fluid and dielectric coolant in high-power semiconductor and electronic component testing.
• Aerospace & Defense: Serves as a high-temperature lubricant and hydraulic fluid in extreme environments due to its non-flammability and stability.
• Chemical Processing: Employed as an inert reaction medium or solvent for highly reactive or oxygen-sensitive chemical syntheses.
• Vacuum Pump Fluids: An ideal fluid for diffusion and turbomolecular pumps in analytical and industrial vacuum systems, offering low vapor pressure and chemical resistance.
• Specialty Lubricants: A key ingredient in formulating greases and lubricants for oxygen service, aggressive chemicals, and high-temperature applications.
• Surface Treatment & Coatings: Used to impart oil, water, and stain repellency to surfaces in advanced material coatings.

Basic Information

Product Name	Perfluorodibutylether
CAS No.	308-48-5
Molecular Formula	C8F18O
Molecular Weight	502.06 g/mol
Synonyms	Perfluoro-n-butyl ether; Perfluoro(butyl methyl ether); 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-Heptadecafluoro-9-oxanonane; FC-75; Fluorinert FC-75; PF-5060; Perfluorobutyl methyl ether; Perfluorinated dibutyl ether
EINECS	206-247-8

Quality Control

Our Perfluorodibutylether is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) for purity and identity verification, to ensure it meets precise customer specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed-upon parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat and ignition sources. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and maintain purity. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Clear, colorless liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Density (25°C)	1.78 - 1.82 g/mL
Boiling Point	102 - 106 °C
Water Content (KF)	≤ 50 ppm
Acidity (as HF)	≤ 1 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.