Description

Ethyl Perfluoro-2,5,8,11,14,17-Hexamethyl-3,6,9,12,15,18-Hexaoxaeicosanoate is a high-purity, fully fluorinated polyether ester compound designed for advanced material science and specialty chemical applications. Its unique perfluoropolyether (PFPE) backbone provides exceptional chemical inertness, thermal stability, and low surface energy, making it a critical performance additive. This product is essential for industries requiring materials with superior resistance to harsh environments, including aerospace, electronics, and high-performance lubricants.

Application

• High-Performance Lubricants & Greases: Acts as a base fluid or additive for lubricants requiring extreme thermal stability, chemical resistance, and wide operational temperature ranges in aerospace and semiconductor manufacturing equipment.
• Electronic & Semiconductor Industry: Used in heat transfer fluids, vacuum pump oils, and as a protective coating for sensitive components due to its dielectric properties and purity.
• Specialty Coatings & Surface Modifiers: Imparts oil, water, and stain repellency to surfaces; used in advanced textile treatments, optical films, and anti-fouling coatings.
• Aerospace & Defense: Employed in sealants, gaskets, and damping fluids for systems exposed to aggressive fuels, oxidizers, and extreme temperatures.
• Pharmaceutical & Biomedical Research: Serves as an inert carrier or component in specialized drug delivery systems and biomedical device coatings where biocompatibility and stability are paramount.
• Chemical Processing: Functions as a non-reactive solvent or reaction medium for sensitive fluorination chemistry and polymer synthesis.

Basic Information

Item	Details
Product Name	Ethyl Perfluoro-2,5,8,11,14,17-Hexamethyl-3,6,9,12,15,18-Hexaoxaeicosanoate
CAS No.	121368-60-3
Molecular Formula	C24H11F39O7
Molecular Weight	~1158.3 g/mol
Synonyms	Ethyl Perfluoropolyether Ester; PFPE Ethyl Ester; Fomblin® Y-Ethyl Ester (related trade); Perfluoro(2,5,8,11,14,17-hexamethyl-3,6,9,12,15,18-hexaoxaeicosanoic acid) ethyl ester; Ethyl Perfluoroalkylether Carboxylate; Krytox® 157 FSL (related trade); Fluorinated Polyether Ester; 1,1,2,2-Tetrahydroperfluoroalkyl Ethyl Ether Ester
EINECS	Contact for details

Quality Control

Our production of Ethyl Perfluoro-2,5,8,11,14,17-Hexamethyl-3,6,9,12,15,18-Hexaoxaeicosanoate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and critical physical property verification, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting purity, identity, and key parameters are provided with every shipment. We support compliance with relevant global regulatory frameworks, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong alkalis and reactive fluorides. Ensure containers are kept tightly sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Density (at 20°C)	~1.8 g/mL
Viscosity (at 20°C)	Contact for details
Acidity (Titration)	≤ 0.05 meq/g
Water Content (KF)	≤ 100 ppm
Non-Volatile Residue	≤ 0.1 %

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