Description

3,3,4,4,5,5,6,6,6-Nonafluorohexane-1-Sulphonic Acid is a highly fluorinated sulfonic acid derivative, valued for its unique combination of strong acidity and exceptional hydrophobic/lipophobic properties imparted by the perfluorinated alkyl chain. This compound is critical for applications requiring a super-acid catalyst with enhanced solubility in organic media or for the synthesis of advanced fluorinated surfactants and electrolytes. It serves as a key building block and catalyst in the pharmaceutical, agrochemical, and specialty polymer industries, particularly where thermal and chemical stability are paramount.

Application

• Catalyst in Organic Synthesis: Acts as a strong Brønsted acid catalyst for esterifications, alkylations, and other acid-catalyzed reactions, especially useful in moisture-sensitive environments.
• Electrolyte Additive: Used in the formulation of high-performance electrolytes for lithium-ion batteries to improve cycle life and thermal stability.
• Fluorinated Surfactant Intermediate: Serves as a key precursor for synthesizing short-chain perfluoroalkyl sulfonate surfactants and surface treatment agents.
• Pharmaceutical & Agrochemical Intermediates: Employed in the synthesis of fluorinated active pharmaceutical ingredients (APIs) and crop protection agents to modify bioavailability and metabolic stability.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers, creating ion-exchange membranes or proton-conducting materials for fuel cells.
• Etching & Surface Treatment: Finds use in microelectronics and surface engineering for precision cleaning and etching processes.

Basic Information

Product Name	3,3,4,4,5,5,6,6,6-Nonafluorohexane-1-Sulphonic Acid
CAS No.	757124-72-4
Molecular Formula	C6H3F9O3S
Molecular Weight	328.14 g/mol
Synonyms	1H,1H,2H,2H-Perfluorohexanesulfonic Acid; 3,3,4,4,5,5,6,6,6-Nonafluoro-1-hexanesulfonic Acid; 4:2 Fluorotelomer Sulfonic Acid; 4:2 FTS; Nonafluorohexylsulfonic Acid; Perfluorohexanesulfonic Acid, 1H,1H,2H,2H-; 2-(Perfluorobutyl)ethanesulfonic Acid
EINECS	Contact for details

Quality Control

Our 3,3,4,4,5,5,6,6,6-Nonafluorohexane-1-Sulphonic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and titration for acid strength, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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 a strong acid; containers must be kept tightly sealed and separated from bases and reactive materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Acid Strength (Titration)	Contact for details
Related Substances (HPLC)	Contact for details

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