... (DMF) 2.Clear,colorless,flammable 3.dimethyl formamide 99.8% 1.Di-methylformamide(DMF) 2.Clear,colorless,flammable liquid 3.200L ... .p.152.8°C, flash point 57.7°C, refractive index 1.427-1.429,density (20°C) 0.9487g/ml,miscible with water ... ration(25°C,20% water solution):M≤15Diopter Nd251.427-1.4290Total water: %≤0.05PH value(25°C,20% water solution ...