N-Methyl Pyrrolidone is referred to as NMP, molecular formula: C5H9NO, English: 1-Methyl-2-pyrrolidinone, the appearance is colorless to light yellow transparent liquid, slightly ammonia odor, miscible with water in any proportion, soluble in ether, acetone And various organic solvents such as esters, halogenated hydrocarbons, aromatic hydrocarbons, almost completely mixed with all solvents, boiling point 204 ℃, flash point 91 ℃, strong hygroscopicity, stable chemical properties, non-corrosive to carbon steel, aluminum, copper Slightly corrosive. NMP has the advantages of low viscosity, good chemical stability and thermal stability, high polarity, low volatility, and infinite miscibility with water and many organic solvents. NMP is a micro-drug, and the allowable limit concentration in the air is 100PPM.
CAS: 872-50-4