Description

1,1,2,2-Tetrafluoro-2-(1,1,2,2-Tetrafluoro-2-Sulfinoethoxy)-Ethanesulfonic Acid Disodium Salt is a high-purity, fluorinated sulfonic acid derivative valued for its unique chemical structure and performance characteristics. This compound is a critical intermediate and functional additive in advanced material synthesis, offering enhanced stability and specific reactivity. It is primarily sought by manufacturers in the pharmaceutical, specialty polymer, and electrochemical industries for research and production-scale applications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring fluorinated motifs for metabolic stability and bioavailability.
• Polymer Electrolyte Membranes: Serves as a key monomer or additive in the production of high-performance ionomers for fuel cells and other electrochemical devices.
• Specialty Surfactants & Coatings: Acts as a building block for creating fluorinated surfactants and surface modifiers that provide oil, water, and stain resistance.
• Catalysis & Ligand Synthesis: Employed in the development of specialized catalysts and ligands for organic synthesis, leveraging its sulfonic acid groups.
• Electronic Chemicals: Used in the formulation of advanced etching solutions, cleaners, or additives for the semiconductor industry.
• Research & Development: A valuable reagent for academic and industrial R&D exploring new fluorinated compounds and their properties.

Basic Information

Product Name	1,1,2,2-Tetrafluoro-2-(1,1,2,2-Tetrafluoro-2-Sulfinoethoxy)-Ethanesulfonic Acid Disodium Salt
CAS No.	89740-27-2
Molecular Formula	C4F8Na2O6S2
Molecular Weight	416.10 g/mol
Synonyms	Disodium 1,1,2,2-tetrafluoro-2-(1,1,2,2-tetrafluoro-2-sulfinoethoxy)ethanesulfonate; Perfluoro(2-(2-sulfinatoethoxy)ethanesulfonic acid) disodium salt; Tetrafluoroethylene sulfonic acid ether disodium salt derivative; PSEES (Disodium Salt); FSO2CF2CF2OCF2CF2SO3Na2; 2-(1,1,2,2-Tetrafluoro-2-sulfinoethoxy)-1,1,2,2-tetrafluoroethanesulfonic acid disodium salt; Nafion® monomer analogue
EINECS	Contact for details

Quality Control

Our 1,1,2,2-Tetrafluoro-2-(1,1,2,2-Tetrafluoro-2-Sulfinoethoxy)-Ethanesulfonic Acid Disodium Salt is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. Use appropriate containment to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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