Description

Pyrrolidinone CAS NO 28261-54-3 is a versatile heterocyclic organic compound belonging to the lactam family, specifically a five-membered cyclic amide. This high-purity intermediate is valued for its excellent solvating properties and its role as a key building block in advanced chemical synthesis. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-quality raw materials for complex formulations.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with pyrrolidine-based structures, such as nootropic agents and other neurologically active compounds.
• Agrochemical Synthesis: Serves as a key building block for developing advanced pesticides, herbicides, and plant growth regulators, contributing to novel modes of action.
• Polymer & Resin Production: Used in the manufacture of specialty polymers, including polyvinylpyrrolidone (PVP) derivatives and high-performance resins, where it acts as a monomer or modifying agent.
• Organic Solvent & Reaction Medium: Functions as a high-boiling, polar aprotic solvent for various organic reactions, including condensations and polymerizations, due to its strong solvating power.
• Electrolyte Additive: Employed in the formulation of advanced electrolytes for lithium-ion batteries to enhance conductivity, stability, and cycle life.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and developing novel heterocyclic compounds.

Basic Information

Item	Details
Product Name	Pyrrolidinone
CAS No.	28261-54-3
Molecular Formula	C4H7NO
Molecular Weight	85.10 g/mol
Synonyms	2-Pyrrolidinone; α-Pyrrolidinone; Butyrolactam; 2-Pyrrolidone; γ-Aminobutyric acid lactam; 2-Oxopyrrolidine; 4-Aminobutyric acid lactam; NSC 5185
EINECS	Contact for details

Quality Control

Our Pyrrolidinone is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. The product undergoes comprehensive analytical testing, including chromatography and spectroscopy, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
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.