Description

5,5-Dimethyl-2-Pyrrolidinone is a high-purity, cyclic amide derivative valued for its excellent solvent properties and role as a versatile chemical intermediate. Its unique structure, featuring a dimethyl-substituted pyrrolidinone ring, makes it a critical building block in advanced organic synthesis and specialty material production. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and polymer industries seeking reliable, high-quality intermediates.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted lactam framework.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its structure contributes to the final product's biological activity.
• Polymer & Resin Modifier: Acts as a specialty monomer or additive to enhance the properties of nylons, polyamides, and other high-performance polymers.
• Organic Solvent: Serves as a polar aprotic solvent for various chemical reactions, including condensations and polymerizations, where high purity is required.
• Electrolyte Additive: Employed in the formulation of advanced battery electrolytes to improve stability and performance.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and developing novel chemical entities in academic and industrial labs.

Basic Information

Product Name	5,5-Dimethyl-2-Pyrrolidinone
CAS No.	5165-28-6
Molecular Formula	C6H11NO
Molecular Weight	113.16 g/mol
Synonyms	5,5-Dimethylpyrrolidin-2-one; 2-Pyrrolidinone, 5,5-dimethyl-; 5,5-Dimethyl-2-pyrrolidone; 5,5-Dimethylbutyrolactam; α,α-Dimethyl-γ-butyrolactam; DMP; 5,5-DMP
EINECS	225-941-8

Quality Control

Our 5,5-Dimethyl-2-Pyrrolidinone is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets the high-purity standards required for sensitive applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available for all shipments to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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.