Description

Potassium Perfluoro(2-Ethoxyethane)Sulfonate is a high-performance fluorinated anionic surfactant and electrolyte salt. This compound is valued for its exceptional chemical and thermal stability, low surface tension, and high ionic conductivity in demanding environments. It is a critical material for advanced manufacturing in the electronics, energy, and specialty materials sectors, where performance under extreme conditions is paramount.

Application

• Lithium-Ion Battery Electrolytes: Used as a high-performance additive to enhance electrolyte stability, improve cycle life, and increase safety at high voltages.
• Semiconductor & Electronics Manufacturing: Serves as a key component in advanced photoresist developers and cleaning formulations for next-generation chip fabrication.
• Fire-Fighting Foams (AFFF): Acts as a critical fluorosurfactant in high-performance aqueous film-forming foams for combating flammable liquid fires.
• Specialty Coatings & Surface Treatment: Imparts superior oil, water, and stain repellency to textiles, carpets, and industrial coatings.
• Catalyst & Polymerization Aid: Employed as a stable anionic initiator or catalyst in the synthesis of fluoropolymers and other specialty plastics.
• Analytical Chemistry & Biotechnology: Functions as a mobile phase modifier in HPLC and as a stabilizing agent in biochemical assays.

Basic Information

Product Name	Potassium Perfluoro(2-Ethoxyethane)Sulfonate
CAS No.	117205-07-9
Molecular Formula	C4F9SO3K
Molecular Weight	378.19 g/mol
Synonyms	Potassium 1,1,2,2-Tetrafluoro-2-(1,1,2,2-tetrafluoro-2-iodoethoxy)ethanesulfonate; Potassium Perfluoro(4-iodobutane)Sulfonate (historical); Potassium Nonafluoro(2-ethoxyethane)Sulfonate; PFES-K; Potassium Perfluoroethyl Ether Sulfonate; FC-98 (potential trade name); 2-(1,1,2,2-Tetrafluoro-2-iodoethoxy)-1,1,2,2-tetrafluoroethanesulfonic Acid Potassium Salt
EINECS	Contact for details

Quality Control

Our Potassium Perfluoro(2-Ethoxyethane)Sulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure consistency, high purity, and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is 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 a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Fluoride Ion (ISE)	≤ 100 ppm
pH (5% Solution)	6.0 - 8.0

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