Description

1-Methyl-2-Imidazolidinone (CAS NO 694-32-6) is a high-purity, versatile polar aprotic solvent and chemical intermediate. Its excellent solvating power, high boiling point, and chemical stability make it a critical component in advanced synthesis and formulation processes. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable performance in demanding applications.

Application

• Pharmaceutical Synthesis: Used as a reaction solvent and intermediate in the production of active pharmaceutical ingredients (APIs), particularly for penicillin derivatives and other heterocyclic compounds.
• Agrochemical Formulation: Serves as a key solvent and carrier in pesticides, herbicides, and fungicides due to its ability to dissolve a wide range of active ingredients.
• Polymer & Resin Production: Acts as a solvent and reaction medium in the synthesis of polyimides, epoxy resins, and other high-performance polymers.
• Electrolyte Additive: Employed in lithium-ion battery electrolytes to enhance conductivity and improve battery cycle life and safety.
• Gas Purification: Utilized as an absorbent for acid gases like CO2 and H2S in natural gas treatment and other industrial gas streams.
• Chemical Intermediate: Functions as a building block in organic synthesis for creating more complex nitrogen-containing molecules.
• Electronics Cleaning: Applied in precision cleaning formulations for electronic components and circuit boards.
• Coating & Ink Formulations: Used as a high-boiling solvent to control drying time and improve film formation in specialty coatings and inks.

Basic Information

Product Name	1-Methyl-2-Imidazolidinone
CAS No.	694-32-6
Molecular Formula	C4H8N2O
Molecular Weight	100.12 g/mol
Synonyms	1-Methylimidazolidin-2-one; N-Methyl-2-imidazolidinone; N-Methyl ethylene urea; 1-Methyl-2-imidazolidone; MEU; N-Methylimidazolidone; 2-Imidazolidinone, 1-methyl-; NSC 9378
EINECS	211-776-7

Quality Control

Our 1-Methyl-2-Imidazolidinone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and Karl Fischer titration, to ensure it meets the high-purity standards required for pharmaceutical and industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Water Content (KF)	≤ 0.2%
Refractive Index (n20/D)	1.468 - 1.472
Density (20°C)	1.10 - 1.12 g/mL
Boiling Point	≈ 225°C

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