Description

Bis(1,1,2,2,3,3,3-Heptafluoro-1-Propanesulfonyl)Imide is a highly fluorinated sulfonimide compound, recognized for its exceptional properties as a superacid precursor and electrolyte component. Its primary value lies in its extreme acidity and thermal/electrochemical stability, making it a critical material for advanced energy and chemical synthesis applications. This product is essential for researchers and manufacturers in the lithium-ion battery, specialty polymer, and catalysis industries seeking to develop next-generation high-performance materials.

Application

• Lithium-Ion Battery Electrolytes: As a key lithium salt (Li[(C2F5)3CFSO2]2N) for high-voltage and high-energy-density battery systems, improving thermal stability and cycle life.
• Acid Catalyst Precursor: Used to generate superacidic catalysts for demanding organic synthesis and polymerization reactions.
• Ionic Liquid Synthesis: Serves as a precursor for creating novel, stable ionic liquids with tailored properties for separation and electrochemistry.
• Polymer Electrolyte Membranes: Incorporated into proton exchange membranes (PEMs) for fuel cells to enhance conductivity and durability.
• Chemical Intermediate: Utilized in the synthesis of other sophisticated fluorinated sulfonyl compounds for specialty applications.
• Research & Development: A vital reagent in academic and industrial R&D for exploring new materials in electrochemistry and catalysis.

Basic Information

Product Name	Bis(1,1,2,2,3,3,3-Heptafluoro-1-Propanesulfonyl)Imide
CAS No.	152894-12-7
Molecular Formula	C6HF14NO4S2
Molecular Weight	521.19 g/mol
Synonyms	Bis(heptafluoropropanesulfonyl)imide; Bis(perfluoropropylsulfonyl)imide; Bis(1,1,2,2,3,3,3-heptafluoropropane-1-sulfonyl)amine; HFSI; HN(SO2C3F7)2; Lithium bis(perfluoropropanesulfonyl)imide precursor; (Heptafluoropropylsulfonyl)imide; Bis(nonafluorobutanesulfonyl)imide analog (lower homologue)
EINECS	Contact for details

Quality Control

Our Bis(1,1,2,2,3,3,3-Heptafluoro-1-Propanesulfonyl)Imide is manufactured under controlled conditions to ensure high purity and batch-to-batch consistency, suitable for demanding electrochemical and synthetic applications. Each lot undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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 should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Fluoride Content	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm

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