Description

Heptadecafluoro-1-Octanesulfonic Acid Lithium Salt is a high-performance perfluorinated sulfonate salt, a key member of the perfluoroalkyl sulfonate (PFAS) family. This compound is valued for its exceptional chemical and thermal stability, low surface energy, and excellent ion-conductive properties. It is primarily utilized in advanced material science and specialty chemical manufacturing, serving industries such as lithium-ion battery electrolytes, polymer modification, and surface treatment.

Application

• Lithium-Ion Battery Electrolytes: As a conductive salt additive to enhance ionic conductivity, thermal stability, and cycle life in high-performance battery systems.
• Polymer Electrolytes & Membranes: A key component in the synthesis of ionomers and solid polymer electrolytes for fuel cells and other electrochemical devices.
• Surface Active Agents & Coatings: Imparts oil, water, and stain repellency to textiles, carpets, and specialty coatings due to its fluorinated chain.
• Chemical Synthesis Intermediate: Serves as a precursor or catalyst in organic synthesis, particularly in reactions requiring super-acidic or stable anionic conditions.
• Electronic Chemicals: Used in etching and cleaning formulations for semiconductor manufacturing.
• Analytical Chemistry: Employed as a reference standard or mobile phase additive in chromatographic techniques like LC-MS.

Basic Information

Product Name	Heptadecafluoro-1-Octanesulfonic Acid Lithium Salt
CAS No.	29457-72-5
Molecular Formula	C8F17LiO3S
Molecular Weight	530.10 g/mol
Synonyms	Lithium Perfluorooctanesulfonate; Lithium PFOS; LiPFOS; Heptadecafluorooctanesulfonic Acid Lithium Salt; Perfluorooctanesulfonic Acid Lithium Salt; 1-Octanesulfonic Acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, Lithium Salt; FC-95 (Lithium Salt); FOSLi
EINECS	249-644-8

Quality Control

Our Heptadecafluoro-1-Octanesulfonic Acid Lithium Salt is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and ICP-MS, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We adhere to relevant regulatory frameworks, including REACH, for global supply.

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) and must be kept under dry, inert conditions to prevent degradation. Keep away from strong acids and strong bases.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Fluoride Content	≤ 0.1%
Residue on Ignition	≤ 0.1%

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