1,872-50-42,Purity % 99.90 3,Moisture %0.020 4,Tone APHA 10 5,Density (D420) g/ml 1.027-1.035 872-50-4Chemical name:N-Methyl-2-pyrrolidinone; 1-Methyl-2-Pyrrolidone; N-Methylpyrrolidone; NMPUses:As a high-selective solvent, NMP has such advantages as non-toxicity, high boiling point, low corrosion, high solubility, low viscosity, low volatility and good stability and easy to recovery. It is ...