Description

Py13-Fsi (n-Methyl-n-Propylpyrrolidinium Bis(Fluorosulfonyl)Imide) is a high-purity ionic liquid electrolyte additive and solvent. This compound is valued for its excellent electrochemical stability, high ionic conductivity, and wide liquid range, making it a critical component in advanced energy storage systems. It is primarily sought after by researchers and manufacturers in the lithium-ion battery, supercapacitor, and next-generation electrochemical device sectors.

Application

• Electrolyte additive for high-voltage lithium-ion batteries to enhance cycle life and safety.
• Primary solvent or co-solvent in advanced electrolyte formulations for improved low-temperature performance.
• Key component in solid-state and quasi-solid-state battery research and development.
• Electrolyte for electrochemical double-layer capacitors (supercapacitors) to increase energy density.
• Electrolytic medium for electrodeposition and electroplating processes, particularly for reactive metals.
• Solvent for specialized organic synthesis and catalysis where non-volatile, thermally stable media are required.

Basic Information

Item	Detail
Product Name	Py13-Fsi (n-Methyl-n-Propylpyrrolidinium Bis(Fluorosulfonyl)Imide)
CAS No.	852620-97-4
Molecular Formula	C9H20F2N2O4S2
Molecular Weight	322.39 g/mol
Synonyms	Pyrrolidinium, 1-methyl-1-propyl-, bis(fluorosulfonyl)imide; 1-Methyl-1-propylpyrrolidinium bis(fluorosulfonyl)amide; MPPyFSI; PYR13FSI; N-Methyl-N-propylpyrrolidinium FSI; Ionic Liquid [MPPyrro][FSI]; Lithium Battery Electrolyte Salt
EINECS	Contact for details

Quality Control

Our Py13-Fsi is produced under stringent quality management protocols to ensure batch-to-batch consistency and high purity, critical for electrochemical performance. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, moisture content, and key impurity profiles. We support compliance with relevant standards for battery materials and can provide analytical data from techniques including NMR, HPLC, and Karl Fischer titration.

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 material is hygroscopic (moisture-sensitive) and must be handled under a dry, inert atmosphere (e.g., argon or nitrogen) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.5%
Water Content (KF)	≤ 50 ppm
Chloride (Cl)	≤ 10 ppm
Sulfate (SO4)	≤ 10 ppm
Metal Impurities (ICP-MS)	≤ 1 ppm (each)
Density (25°C)	~1.36 g/cm³

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