100959-19-1 Diethyl isobutylmalonate C11H20O4 Molecular Weight:216.274 Density:1.0±0.1 g/cm3Boiling Point:255.0±0.0 °C at 760 mmHgMelting Point:N/A 10203-58-4 1,1-Dimethylhydrazine C2H8N2 Molecular Weight:6