Description

2-Pyrrolidinone,4-Methyl- CAS NO 2996-58-9 is a versatile heterocyclic lactam and a key chemical intermediate. This compound is valued for its role as a building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for manufacturers and R&D facilities developing active ingredients, fine chemicals, and specialty polymers.

Application

• Pharmaceutical Synthesis: A crucial intermediate in the production of various active pharmaceutical ingredients (APIs), including nootropic agents and other neurologically active compounds.
• Agrochemical Manufacturing: Serves as a precursor in the synthesis of advanced pesticides, herbicides, and plant growth regulators.
• Polymer & Resin Production: Used as a monomer or co-monomer in the creation of specialty polyamides and other high-performance polymers.
• Fine Chemical & Dye Intermediates: Acts as a building block for synthesizing complex dyes, pigments, and other fine chemicals.
• Solvent & Reaction Medium: Functions as a high-boiling, polar aprotic solvent for various organic synthesis and purification processes.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and novel compounds.

Basic Information

Product Name	2-Pyrrolidinone,4-Methyl-
CAS No.	2996-58-9
Molecular Formula	C5H9NO
Molecular Weight	99.13 g/mol
Synonyms	4-Methyl-2-pyrrolidinone; 4-Methyl-2-pyrrolidone; 4-Methylpyrrolidin-2-one; γ-Methylbutyrolactam; N-Methyl-γ-butyrolactam; 4-Methyl-2-oxopyrrolidine; 4-Methyl-Azetidin-2-one (incorrect but sometimes listed); 2996-58-9
EINECS	221-077-8

Quality Control

Our 2-Pyrrolidinone,4-Methyl- is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality protocols are designed to meet the stringent requirements of pharmaceutical and fine chemical applications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.465 - 1.475
Density (20°C)	1.040 - 1.060 g/cm³

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