Description

Potassium Perfluoropentane-1-Sulphonate 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 solubility profile derived from its perfluorinated alkyl chain. It is a critical material for industries requiring advanced surface modification, stable electrolytes, or specialized fluorochemical intermediates. Key sectors include electronics manufacturing, specialty polymer production, and high-performance material science.

Application

• Electrolyte Additive for Lithium-Ion Batteries: Enhances high-voltage stability and cycle life by forming a stable solid-electrolyte interphase (SEI) layer.
• Surfactant for Fluorinated Firefighting Foams (AFFF): Provides superior film-forming and spreading properties for Class B fuel fires.
• Emulsion Polymerization of Fluoropolymers: Acts as an emulsifier and stabilizer in the production of PTFE, FEP, and PFA.
• Coating and Surface Treatment: Imparts oil, water, and stain repellency to textiles, paper, and membranes.
• Catalyst and Reagent in Organic Synthesis: Serves as a phase-transfer catalyst or a source of perfluoroalkylsulfonate anions in specialized fluorination reactions.
• Electronic Chemicals: Used in etching and cleaning formulations for semiconductor manufacturing due to its purity and stability.

Basic Information

Product Name	Potassium Perfluoropentane-1-Sulphonate
CAS No.	3872-25-1
Molecular Formula	C5F11KO3S
Molecular Weight	376.20 g/mol
Synonyms	Potassium Perfluoropentanesulfonate; Potassium 1H,1H,2H,2H-Perfluoropentanesulfonate; Potassium 1,1,2,2,3,3,4,4,5,5,5-Undecafluoropentane-1-sulfonate; Potassium Undecafluoropentanesulfonate; PFPeS-K; C5-Perfluorinated Sulfonate Potassium Salt; KPfP; Perfluoropentanesulfonic Acid Potassium Salt
EINECS	223-393-6

Quality Control

Our Potassium Perfluoropentane-1-Sulphonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and ICP-MS for trace metal content, to ensure it meets the stringent requirements of advanced material and electronic applications. Certificates of Analysis (COA) detailing purity, identity, and specific impurity profiles are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation. Keep away from strong acids and strong oxidizing agents.

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 (F⁻)	≤ 100 ppm
pH (5% aqueous solution)	6.0 - 8.0

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