Description

Potassium Perfluoroheptanesulfonate 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 unique hydrophobic and oleophobic properties derived from its perfluorinated alkyl chain. It serves as a critical raw material and performance additive in advanced manufacturing and electronics. Key industries that rely on this specialty chemical include semiconductor fabrication, fire-fighting foams, and specialty polymer production.

Application

• Semiconductor Manufacturing: Used as a surfactant and wetting agent in photoresist developers and cleaning solutions for advanced node patterning.
• Fire-Fighting Foams (AFFF): Acts as a key fluorosurfactant component in aqueous film-forming foams (AFFF) for combating flammable liquid fires.
• Polymerization Aid: Serves as an emulsifier and stabilizer in the emulsion polymerization of fluorinated monomers (e.g., PTFE, PVDF).
• Electroplating & Surface Treatment: Functions as a mist suppressant and leveling agent in chromium plating and other metal finishing baths.
• Lithium-Ion Battery Electrolytes: Employed as a high-voltage electrolyte additive to improve battery cycle life and safety.
• Coating & Textile Additive: Imparts oil, water, and stain repellency to coatings, textiles, and non-woven fabrics.
• Catalyst & Reagent: Utilized as a phase-transfer catalyst or a mild oxidant in organic synthesis.
• Analytical Chemistry: Applied as an ion-pairing agent in High-Performance Liquid Chromatography (HPLC) for separating complex mixtures.

Basic Information

Product Name	Potassium Perfluoroheptanesulfonate
CAS No.	60270-55-5
Molecular Formula	C7F15KO3S
Molecular Weight	538.21 g/mol
Synonyms	Perfluoroheptanesulfonic Acid Potassium Salt; Potassium Heptadecafluoro-1-heptanesulfonate; PFHpS-K; 1-Heptanesulfonic Acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoro-, Potassium Salt; Potassium 1,1,2,2,3,3,4,4,5,5,6,6,7,7,7-pentadecafluoroheptane-1-sulfonate; FC-98; F-53B (related commercial mixture); Heptadecafluorooctanesulfonate Potassium Salt (common misnomer)
EINECS	262-165-1

Quality Control

Our Potassium Perfluoroheptanesulfonate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for sensitive applications like electronics and pharmaceuticals. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality commitment aligns with principles of ISO 9001 and relevant chemical industry best practices.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Heavy Metals (as Pb)	≤ 10 ppm
Fluoride (F⁻)	≤ 100 ppm
pH (5% Solution)	6.0 - 8.0
Residue on Ignition	≤ 0.1%

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