Description

Ammonium Nonadecafluorononanesulphonate is a high-performance fluorinated surfactant and electrolyte salt. This compound is valued for its exceptional chemical and thermal stability, low surface tension, and unique hydrophobic/oleophobic properties derived from its perfluorinated carbon chain. It is a critical material for industries requiring advanced surface modification, durable coatings, and stable electrochemical systems. Key sectors utilizing this specialty chemical include electronics manufacturing, high-performance polymer processing, and advanced material science.

Application

• Electronics & Semiconductor Manufacturing: As a critical component in etching solutions and photoresist developers for advanced semiconductor nodes.
• Fire-Fighting Foams (AFFF): Used in the formulation of high-performance aqueous film-forming foams for combating hydrocarbon fuel fires.
• Surface Treatment & Coatings: Provides oil, water, and stain repellency to textiles, carpets, paper, and leather.
• Polymer Processing Aid: Acts as a fluorinated surfactant and processing aid in the manufacture of fluoropolymers like PTFE and PFA.
• Electroplating & Metal Finishing: Serves as a wetting agent and mist suppressant in chromium plating and other metal finishing baths.
• Lithium-Ion Battery Electrolytes: Functions as a high-voltage electrolyte additive to improve battery cycle life and safety.
• Specialty Cleaning Agents: A key ingredient in precision cleaning formulations for electronics and aerospace applications.

Basic Information

Product Name	Ammonium Nonadecafluorononanesulphonate
CAS No.	17202-41-4
Molecular Formula	C9H4F19NO3S
Molecular Weight	599.17 g/mol
Synonyms	Perfluorononanesulfonic Acid Ammonium Salt; Ammonium Perfluorononanesulfonate; Ammonium Heptadecafluorooctanesulfonate (common misnomer); PFNS Ammonium Salt; 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Nonadecafluorononane-1-sulfonic Acid Ammonium Salt; Ammonium Nonadecafluorononane-1-sulfonate; APFNS; FC-95 (related trade series).
EINECS	241-199-1

Quality Control

Our Ammonium Nonadecafluorononanesulphonate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by ion chromatography, determination of anionic impurities, and verification of physical properties, to ensure consistent high purity and performance. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications. We support our global clients with regulatory documentation as required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong bases and sources of ignition. Due to its chemical nature, ensure the container is kept upright to prevent leakage and is clearly labeled.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (by IC)	≥ 98.0 %
Water Content (KF)	≤ 0.5 %
pH (5% aqueous solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 10 ppm

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