Overview
N-Methylcaprolactam is a cyclic amide derivative used primarily as a high-boiling solvent and chemical intermediate. Its unique properties make it valuable in industrial applications, particularly where high-temperature stability is required. The compound is synthesized through the methylation of caprolactam, resulting in a versatile chemical with broad utility. In industrial settings, N-Methylcaprolactam is favored for its ability to dissolve a wide range of polymers and resins. Its stability under high temperatures and compatibility with various chemical processes make it a preferred choice in specialized formulations.
Physical and Chemical Properties
N-Methylcaprolactam is a colorless to pale yellow liquid with a mild odor. It has a high boiling point, typically around 240-245°C, which makes it suitable for high-temperature applications. The compound is miscible with water and most organic solvents, enhancing its versatility as a solvent. Its molecular structure includes a seven-membered lactam ring, contributing to its stability and solubility characteristics. The density of N-Methylcaprolactam is approximately 1.02 g/cm³, and it exhibits low volatility, reducing evaporation losses during industrial use.
Main Applications
N-Methylcaprolactam is widely used as a solvent in the production of polymers, coatings, and adhesives. Its ability to dissolve high-molecular-weight compounds makes it indispensable in the formulation of specialty chemicals. Additionally, it serves as an intermediate in the synthesis of pharmaceuticals and agrochemicals. In the pharmaceutical industry, N-Methylcaprolactam is utilized in the production of active pharmaceutical ingredients (APIs) and drug delivery systems. Its solvent properties are also leveraged in agrochemical formulations, where it aids in the dissolution and stabilization of active ingredients.
Safety and Storage
N-Methylcaprolactam is classified as an irritant and can cause skin and eye irritation upon contact. Proper handling procedures, including the use of gloves, goggles, and protective clothing, are essential to minimize exposure. Adequate ventilation is required to prevent the accumulation of vapors in confined spaces. Storage should be in a cool, dry, well-ventilated area, away from heat sources and open flames. Containers must be tightly sealed to prevent contamination and moisture absorption. Spills should be contained and cleaned up promptly using appropriate absorbent materials.
B2B Procurement Guide
When procuring N-Methylcaprolactam, buyers should verify the CAS number (2556-73-2) and specify the required purity level, typically 98% or higher. Bulk purchases can often secure better pricing, with reference prices ranging approximately $15-$30 per kg, depending on quantity and supplier. It is advisable to source from reputable chemical suppliers who provide detailed technical data sheets (TDS) and material safety data sheets (MSDS). Buyers should also consider logistics, ensuring that the product is transported and stored under appropriate conditions to maintain quality.
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