... ammonia-like odor.m.p.-61°C, b.p.152.8°C, flash point 57.7°C, refractive index 1.427-1.429 ... ,density (20°C) 0.9487g/ml,miscible with water,ether,ester,katon ... : mg/kg≤10Content of dymethylacetamide: PPM≤500Conductance ration(25°C,20% water solution):M≤15Diopter Nd251.427-1.4290Total water ... : %≤0.05PH value(25°C,20% water solution)6.5-8.0Packing and Storage: ...