N- methylpyrrolidone, Chinese alias: NMP; 1- methyl-2-pyrrolidone; N- methyl-2-pyrrolidone. Colorless oily liquid, slight amine odor. With water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatic hydrocarbons, and castor oil miscible. Low volatility, thermal stability, chemical stability are good, can be volatile with water vapor. Hygroscopic. Sensitive to light. N- methylpyrrolidone in lithium battery, pharmaceuticals, pesticides, paints, cleaning agents, insulation materials widely used in industry. 1, the Chinese name: N- methylpyrrolidone 2, English name: N-Methyl pyrrolidone 3, Chinese alias: NMP; 1- methyl-2-pyrrolidone; N- methyl-4, CAS No: 872-50 -45, molecular formula: C5H9NO 6, Product description: colorless oily liquid, slight amine odor. With water, alcohols, ethers, esters, ketones, halogenated hydrocarbons, aromatic hydrocarbons, and castor oil miscible. Low volatility, thermal stability, chemical stability are good, can be volatile with water vapor. Hygroscopic. Sensitive to light. Median lethal dose (rat, oral) 3.8mg / kg. Density: 1.028 Melting point: -24 ° C Boiling point: 203 ℃, 81-82 ° C / 10 mmHg Flash point: 91 ° C Refractive index n20 / D: 1.47 Application N- methylpyrrolidone in lithium battery, pharmaceuticals, pesticides, paint , cleaning agents, insulation materials widely used in industry. Sales price: 21.5 / KG