Description

[3-[Ethyl[(Pentadecafluoroheptyl)Sulfonyl]Amino]Propyl]Phosphonic Acid is a high-performance fluorinated phosphonic acid derivative, distinguished by its unique perfluoroalkyl chain. This compound matters for its ability to impart exceptional surface-active properties, including oil and water repellency, chemical resistance, and low surface energy. It is primarily needed by manufacturers in the textile, coatings, and specialty polymer industries for creating advanced functional materials.

Application

• Textile Finishing Agent: Imparts durable water, oil, and stain repellency to fabrics and technical textiles.
• Surface Modifier for Coatings: Used in paints, varnishes, and industrial coatings to enhance surface slip, mar resistance, and anti-graffiti properties.
• Additive for Fluoropolymers: Acts as a functional monomer or additive to modify the surface characteristics of fluorinated polymers and elastomers.
• Paper and Packaging Treatment: Provides grease and moisture resistance for specialty paper and cardboard packaging.
• Stone and Masonry Protection: Serves as a key component in formulations for protecting building materials from water and oil-based stains.
• Electronics and Semiconductor Industry: Used in anti-fingerprint coatings for displays and as a surface treatment agent in microelectronics.
• Firefighting Foam Component (Legacy/Formulation Studies): Historically studied for use in aqueous film-forming foam (AFFF) formulations.
• Research & Development: A valuable intermediate for synthesizing novel fluorinated surfactants and surface-active agents in academic and industrial R&D.

Basic Information

Product Name	[3-[Ethyl[(Pentadecafluoroheptyl)Sulfonyl]Amino]Propyl]Phosphonic Acid
CAS No.	71463-79-1
Molecular Formula	C₁₂H₁₂F₁₅NO₅PS
Molecular Weight	625.24 g/mol
Synonyms	3-[Ethyl[(heptadecafluorooctyl)sulfonyl]amino]propylphosphonic acid; 1-Propanephosphonic acid, 3-[ethyl[(1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluorooctyl)sulfonyl]amino]-; Ethyl perfluorooctyl sulfonyl aminopropyl phosphonate; Perfluoroalkyl sulfonamide phosphonic acid; FOSA-PA; Fluorinated phosphonic acid surfactant; C8 Perfluoroalkyl sulfonamide propyl phosphonic acid; Telomer B phosphate
EINECS	Contact for details

Quality Control

Our production of [3-[Ethyl[(Pentadecafluoroheptyl)Sulfonyl]Amino]Propyl]Phosphonic Acid adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing, including NMR, HPLC, and titration methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee compliance with your technical requirements.

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); ensure containers are sealed tightly after each use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or waxy solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Fluorine Content	Contact for details
pH (1% solution)	Contact for details

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