Description

Potassium 1,1,2,2,3,3,4,4-Octafluorobutane-1-Sulphonate is a high-purity, specialty fluorinated sulfonate salt with the CAS number 70259-85-7. This compound is valued for its unique combination of a perfluorinated alkyl chain and a sulfonate anion, offering exceptional chemical and thermal stability. It is primarily utilized in advanced material science and as a key intermediate or electrolyte component in high-performance applications. Industries such as pharmaceuticals, agrochemicals, and specialty polymer manufacturing rely on this material for its consistent quality and reliable performance.

Application

• Electrolyte Additive for lithium-ion batteries to enhance stability and performance at high voltages.
• Chemical Intermediate in the synthesis of novel fluorinated surfactants and surface-active agents.
• Catalyst or Co-catalyst in organic synthesis, particularly for reactions requiring stable, non-coordinating anions.
• Monomer or Additive for specialty fluoropolymers to impart specific surface properties or ionic conductivity.
• Research & Development in academic and industrial labs for exploring new materials with fluorinated building blocks.
• Electroplating Baths as a source of stable sulfonate ions in specialized metal deposition processes.

Basic Information

Product Name	Potassium 1,1,2,2,3,3,4,4-Octafluorobutane-1-Sulphonate
CAS No.	70259-85-7
Molecular Formula	C4F8KO3S
Molecular Weight	336.20 g/mol
Synonyms	Potassium Perfluorobutanesulfonate; Potassium Nonafluorobutanesulfonate; Potassium 1,1,2,2,3,3,4,4,4-Nonafluorobutane-1-Sulfonate; PFBS Potassium Salt; Potassium Perfluorobutylsulfonate; C4 Potassium Perfluoroalkyl Sulfonate; Potassium Heptadecafluorooctanesulfonate (common mis-association, included for search); K-PFBS
EINECS	Contact for details

Quality Control

Our Potassium 1,1,2,2,3,3,4,4-Octafluorobutane-1-Sulphonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency. Certificates of Analysis (COA) documenting identity, assay, and impurity profiles are available for all commercial shipments. We adhere to relevant industry guidelines to support our customers in pharmaceutical, battery, and advanced material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. Use appropriate containment to prevent moisture ingress and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Fluoride Ion (ISE)	≤ 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.