Description

1H-Imidazolium, 3-Butyl-1-Methyl-, 4-Methylbenzenesulfonate is a high-purity ionic liquid salt, specifically a butyl-methyl-imidazolium tosylate. This compound matters as a versatile and tunable precursor or catalyst in advanced organic synthesis and materials science, offering advantages in reaction efficiency and product purity. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, specialty chemical, and advanced material sectors for applications ranging from catalysis to electrolyte formulation.

Application

• Organocatalysis: Acts as a precursor or catalyst in various organic transformations, including Diels-Alder, Michael addition, and condensation reactions.
• Pharmaceutical Intermediates: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and complex molecules.
• Polymer Chemistry: Utilized as an initiator or additive in polymerization processes to modify polymer properties.
• Electrolyte Component: Employed in the formulation of electrolytes for energy storage devices like batteries and supercapacitors.
• Material Science: Used in the development of ionic liquid-based materials, functional coatings, and advanced composites.
• Green Chemistry Solvent/Medium: Functions as a reaction medium or co-solvent in sustainable chemical processes due to its low volatility and tunable properties.

Basic Information

Product Name	1H-Imidazolium, 3-Butyl-1-Methyl-, 4-Methylbenzenesulfonate
CAS No.	925230-47-3
Molecular Formula	C₁₅H₂₂N₂O₃S
Molecular Weight	310.41 g/mol
Synonyms	1-Butyl-3-methylimidazolium p-toluenesulfonate; BMIM OTf; BMIM Tosylate; 3-Butyl-1-methyl-1H-imidazol-3-ium 4-methylbenzenesulfonate; 1-Methyl-3-butylimidazolium tosylate; [BMIM][OTs]; Butylmethylimidazolium tosylate; Ionic Liquid BMIM OTs
EINECS	Contact for details

Quality Control

Our 1H-Imidazolium, 3-Butyl-1-Methyl-, 4-Methylbenzenesulfonate is manufactured under strict quality management systems. 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, assay, and impurity profiles are available upon request 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 dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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