CAS2568-90-3
FormulaC9H20O2
SynonymDBM, di-n-Butylformal, 1-(butoxymethoxy)butane, Dibutyl formal, Butane, 1,1'-[methylenebis(oxy)]bis-, 1,1'-[Methylenebis(oxy)]dibutane
Flash Point62C CC
Boiling Point179-181C
Appearenceclear, colorless liquid
Refractive Index1.4054
Vapor Pressure< 15 mmHg at 20C
Surface Tension25.20 dynes/cm at 20C
Water solubilityinsoluble at 25C
Freezing Point-58C
Evaporation Rate5.54
Density0.8354 g/ml at 20C
Dissolved water0.25% at 25C
Auto Ignition Temp220C
Water0.2% min
Assay99.0% max DBM
Butanol0.5% max