... -2 UN:2265 CN:33627 Colorless or light yellow liquid. N,N-Dimethylformamide HPLC SpecificationItemQualificationItemQualificationPurity, %≥99.8Optical testDensity (20°C)g/ml0 ... ≤0.1Evaporation residue ,%≤0.005Iron (Fe),%≤0.0005Package: 25kg 500ml N,N-Dimethylformamide CAS 68-12-2