Description

Perfluoro(5-Methyl-3,6-Dioxanonane) is a high-purity perfluorinated polyether (PFPE) derivative, a key class of specialty fluorochemicals. This compound is valued for its exceptional chemical inertness, thermal stability, and low surface energy, making it a critical performance additive and functional fluid. It is primarily sought by manufacturers in the electronics, aerospace, and specialty lubricants industries for demanding applications where standard hydrocarbons fail.

Application

• As a high-performance lubricant base fluid or additive for vacuum pumps, compressors, and mechanisms exposed to aggressive chemicals or extreme temperatures.
• As a dielectric coolant and heat transfer fluid in high-voltage electronics and specialized cooling systems.
• As a formulation component for specialty coatings and surface treatments to impart oil, water, and stain repellency.
• As a solvent or carrier fluid in precision cleaning applications for sensitive electronic and optical components.
• As a process fluid in semiconductor manufacturing, particularly in etching and deposition processes requiring ultra-pure, non-reactive media.
• In aerospace applications as a sealant or damping fluid for oxygen systems and other critical subsystems.
• As a research chemical and intermediate for synthesizing advanced fluorinated materials and surfactants.

Basic Information

Product Name	Perfluoro(5-Methyl-3,6-Dioxanonane)
CAS No.	66804-94-2
Molecular Formula	C9F20O2
Molecular Weight	520.06 g/mol
Synonyms	Perfluoro(5-methyl-3,6-dioxanonane); 1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Eicosafluoro-5-methyl-3,6-dioxanonane; PFPE derivative; Perfluoropolyether (PFPE) fluid; Fomblin® Y-type derivative; Krytox®-type fluid; Fluorinated polyether; Perfluoroalkyl polyether.
EINECS	Contact for details

Quality Control

Our production of Perfluoro(5-Methyl-3,6-Dioxanonane) adheres to stringent quality management protocols. Each batch is characterized and tested to ensure consistency in critical parameters such as purity, molecular weight distribution, and functional performance. Certificates of Analysis (COA) detailing specifications and test results are provided with every shipment. We support compliance with relevant industry standards and can tailor quality parameters to meet specific customer requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of ignition. Ensure containers are properly sealed to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Density (at 20°C)	~1.8 g/mL
Viscosity (at 20°C)	Contact for details
Acidity (as HF)	≤ 0.001%
Water Content (KF)	≤ 0.005%

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