Description

3,5,7,9-Tetraoxaundecafluorodecanoic Acid is a high-value perfluoropolyether (PFPE) derivative carboxylic acid, distinguished by its unique fluorinated ether chain structure. This compound is critical for introducing surface-active and hydrophobic/oleophobic properties into advanced materials. It is essential for manufacturers in the specialty polymer, surface treatment, and high-performance lubricant sectors seeking to enhance product functionality and durability.

Application

• Fluorinated Surfactant & Leveling Agent: A key intermediate for synthesizing high-performance surfactants used in fire-fighting foams, coatings, and electronics cleaning formulations.
• Surface Modification Reagent: Used to impart permanent water, oil, and stain repellency to textiles, leather, paper, and non-woven fabrics.
• Polymer Additive & Monomer: Serves as a functional monomer or additive to create fluorinated segments in polymers, improving chemical resistance, thermal stability, and reducing surface energy.
• Lubricant & Grease Base Fluid: Acts as a precursor for PFPE-based lubricants and greases used in extreme environments (high vacuum, aggressive chemicals, wide temperature ranges) within aerospace, semiconductor, and chemical processing equipment.
• Pharmaceutical & AgroChemical Intermediate: Employed in the synthesis of fluorinated active pharmaceutical ingredients (APIs) and agrochemicals to alter metabolic stability and bioavailability.
• Electronic Chemicals: Used in the formulation of specialty fluxes, anti-fingerprint coatings for displays, and as a component in etching or cleaning solutions for semiconductor manufacturing.

Basic Information

Product Name	3,5,7,9-Tetraoxaundecafluorodecanoic Acid
CAS No.	39492-90-5
Molecular Formula	C7HF11O5
Molecular Weight	362.06 g/mol
Synonyms	Perfluoro(2,5,8-trimethyl-3,6,9-trioxadodecanoic acid); 2,2,3,3,4,4,5,5,6,6,7-Undecafluoro-7-[(trifluoromethoxy)methoxy]heptanoic acid; PFPE-acid; Undecafluorododecanoic acid derivative; Fluorinated ether carboxylic acid; Heptanoic acid, 2,2,3,3,4,4,5,5,6,6,7-undecafluoro-7-[(trifluoromethoxy)methoxy]-; 3,6,9-Trioxa-2,2,3,3,4,4,5,5,6,6,7-undecafluorododecanoic acid
EINECS	Contact for details

Quality Control

Our 3,5,7,9-Tetraoxaundecafluorodecanoic Acid is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including assay by titration or HPLC, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and key impurity profiles are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and incompatible with strong acids/organic solvents and fluorides/strong alkalis. Keep away from heat and ignition sources.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (Titration)	Conforms

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