Description

11-Fluorosulfonylperfluoro(2,5,8-Trimethyl-3,6,9-Trioxaundecanoyl) Fluoride is a highly fluorinated, reactive sulfonyl fluoride derivative, serving as a critical building block for introducing perfluorinated polyether (PFPE) segments with terminal reactive handles. This compound matters for its ability to impart exceptional chemical resistance, thermal stability, and low surface energy properties to advanced materials. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for synthesizing novel surfactants, lubricants, and functionalized materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where enhanced bioavailability or fluorinated motifs are desired.
• Agrochemical Synthesis: Serves as a key precursor for creating novel fluorinated pesticides and herbicides with improved environmental persistence and efficacy.
• Specialty Polymer Modification: Employed to graft perfluorinated polyether (PFPE) side chains onto polymers, enhancing their oil and water repellency, lubricity, and chemical resistance for coatings and elastomers.
• Surface Active Agent (Surfactant) Production: A fundamental building block for manufacturing high-performance fluorosurfactants and foam suppressants used in demanding industrial applications.
• Lubricant & Grease Formulation: Incorporated into synthetic lubricants and greases to provide extreme pressure performance and stability in harsh chemical and thermal environments.
• Material Science R&D: Utilized in academic and industrial research to develop new materials with tailored surface properties and functionality.

Basic Information

Product Name	11-Fluorosulfonylperfluoro(2,5,8-Trimethyl-3,6,9-Trioxaundecanoyl) Fluoride
CAS No.	4628-44-8
Molecular Formula	C11F22O6S
Molecular Weight	672.15 g/mol
Synonyms	Perfluoro(2,5,8-trimethyl-3,6,9-trioxaundecanoyl) fluoride, 11-fluorosulfonyl; 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11-Docosafluoro-11-fluorosulfonyl-2,5,8-trimethyl-3,6,9-trioxaundecanoic acid fluoride; PFPE-Sulfonyl Fluoride; Fluorinated Sulfonyl Fluoride Ether; Krytox®-type Sulfonyl Fluoride Intermediate; Perfluoropolyether Sulfonyl Fluoride Derivative
EINECS	Contact for details

Quality Control

Our 11-Fluorosulfonylperfluoro(2,5,8-Trimethyl-3,6,9-Trioxaundecanoyl) Fluoride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including NMR (19F, 1H), FT-IR, and GC/HPLC analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis. Keep away from strong acids, bases, and incompatible organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure (19F, 1H)
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.1%
Acidity (Titration)	≤ 0.05 meq/g

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