Description

Pyrrolidinium, 1-Butyl-1-Methyl-, Methanesulfonate is a high-purity ionic liquid salt, also known as BMPyrr MS, with the CAS number 501943-05-1. This compound is valued for its excellent thermal stability and tunable physicochemical properties, making it a versatile component in advanced material science and green chemistry processes. It is primarily sought by researchers and manufacturers in the fields of electrolyte formulation, catalysis, and separation technology.

Application

• Electrolyte Component for lithium-ion batteries, supercapacitors, and other energy storage devices.
• Green Solvent & Reaction Medium in organic synthesis and catalysis, offering an alternative to volatile organic compounds (VOCs).
• Gas Separation & Capture media, particularly for CO2 absorption applications.
• Lubricant & Additive in specialized industrial formulations requiring high thermal stability.
• Analytical Chemistry as a mobile phase additive or stationary phase modifier in chromatography.
• Material Science for the synthesis of functional polymers and composites.

Basic Information

Product Name	Pyrrolidinium, 1-Butyl-1-Methyl-, Methanesulfonate
CAS No.	501943-05-1
Molecular Formula	C10H21NO3S
Molecular Weight	235.34 g/mol
Synonyms	1-Butyl-1-methylpyrrolidinium methanesulfonate; BMPyrr MS; N-Butyl-N-methylpyrrolidinium methanesulfonate; 1-Methyl-1-butylpyrrolidinium mesylate; BMPyrr OMs; [BMPyrr][OMs]; N-Methyl-N-butylpyrrolidinium methanesulfonate; 1-Butyl-1-methylpyrrolidinium mesylate
EINECS	Contact for details

Quality Control

Our Pyrrolidinium, 1-Butyl-1-Methyl-, Methanesulfonate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and Karl Fischer titration, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

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 product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Halide Content	≤ 100 ppm
Heavy Metals (as Pb)	≤ 10 ppm

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