Description

1-Butyl-1-Methylpyrrolidinium Bis[Oxalato(2-)]Borate is an advanced ionic liquid belonging to the family of borate-based electrolytes. This compound is engineered for high-performance applications requiring exceptional electrochemical stability and ionic conductivity. It is a critical material for researchers and manufacturers in the energy storage and advanced materials sectors, particularly for developing next-generation lithium-ion and lithium-metal batteries.

Application

• Electrolyte Additive/Salt for Lithium-Ion Batteries: Used to form stable solid electrolyte interphase (SEI) layers, enhancing cycle life and safety.
• Electrolyte Component for Lithium-Metal Batteries: Improves lithium plating/stripping efficiency and suppresses dendrite growth.
• Electrochemical Double-Layer Capacitors (Supercapacitors): Serves as a high-voltage electrolyte component to increase energy density.
• Research & Development: A key reagent for studying novel electrochemical systems and ionic liquid properties.
• Specialty Chemical Synthesis: Acts as a catalyst or solvent in advanced organic synthesis and material fabrication.
• Additive for Conductive Polymers: Used to modify the conductivity and processing characteristics of polymeric materials.

Basic Information

Product Name	1-Butyl-1-Methylpyrrolidinium Bis[Oxalato(2-)]Borate
CAS No.	625835-91-8
Molecular Formula	C15H24BN2O8
Molecular Weight	395.18 g/mol
Synonyms	BMP-BOB; BMPyrr BOB; 1-Butyl-1-methylpyrrolidinium bis(oxalato)borate; BMP-B(C2O4)2; BMPyrr[BOB]; Butylmethylpyrrolidinium bis(oxalato)borate; Ionic liquid [BMP][BOB]; Lithium battery electrolyte salt
EINECS	Contact for details

Quality Control

Our 1-Butyl-1-Methylpyrrolidinium Bis[Oxalato(2-)]Borate is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity and batch-to-batch consistency suitable for demanding electrochemical applications. A detailed Certificate of Analysis (COA) is provided with every shipment.

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). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., argon or nitrogen) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 99.0%
Water Content (KF)	≤ 100 ppm
Halide Content (Cl⁻)	≤ 10 ppm
Density (25°C)	~1.25 g/cm³
Viscosity (25°C)	Contact for details
Electrochemical Window	> 5.0 V vs. Li/Li⁺

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