Description

4-Isobutyl-2-Pyrrolidinone is a versatile, high-purity pyrrolidinone derivative with a branched alkyl chain, offering unique solvency and chemical reactivity. This compound is valued for its ability to act as a superior polar aprotic solvent and a key intermediate in the synthesis of advanced materials and pharmaceuticals. It is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable performance and consistent quality.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a lipophilic pyrrolidinone moiety.
• Agrochemical Synthesis: Used as a solvent and intermediate in the production of advanced pesticides and herbicides, where its solvency aids in formulation stability.
• Specialty Polymer Production: Serves as a monomer or co-monomer in the creation of high-performance polyamides and other specialty polymers with tailored properties.
• Electrolyte Additive: Employed in lithium-ion battery electrolytes to enhance conductivity and improve thermal stability of the battery system.
• Chemical Research & Development: A valuable reagent in organic synthesis for ring-forming reactions and as a precursor for N-heterocyclic compounds.
• Industrial Cleaning Formulations: Acts as a powerful, high-boiling solvent in precision cleaning applications for electronics and metal parts.

Basic Information

Product Name	4-Isobutyl-2-Pyrrolidinone
CAS No.	61312-87-6
Molecular Formula	C8H15NO
Molecular Weight	141.21 g/mol
Synonyms	4-(2-Methylpropyl)-2-pyrrolidinone; 2-Pyrrolidinone, 4-isobutyl-; 4-Isobutylpyrrolidin-2-one; N-Isobutyl-4-aminobutyric acid lactam; Isobutyl GABOB lactam; 4-Isobutyl-2-pyrrolidone
EINECS	Contact for details

Quality Control

Our 4-Isobutyl-2-Pyrrolidinone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each 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 a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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