CAS108-10-1
FormulaC6H12O
Synonym2-Pentanone,4-methyl-, Hexone, MIBK, Isopropylacetone, DEA Code 6715, 2-Pentanone, 4-methyl-, 4-Methylpentan-2-one
Density0.8042 (2020 c)
Dielectric Constant13.11
Surface Tension23.29 dynescm
Auto/Self Ignition Temperaturetemp. 448 c
Slightly Solublein water
Boiling Point116 C
Fractional Polarity0.315
Water0.03% m/m
Heat of Vaporization @Tboil364 kJ/kg
Molecular weight100 g/mol
Purity99.5% m/m min
Refractive Index @ 20° C1.396
Relative Evaporation Rate (nBuAc=1)1.6
Relative Evaporation Rate (Ether=1)7.2
Antoine Constant A #6.31286 kPa, C
Antoine Constant C #220.093 kPa, C
Temperature Limits for Antoine Equation-20 to +120 C
Vapor Pressure @ 50C8.8 kPa
Flash Point (Abel)15 C
Auto Ignition Temp460 C
Lower Explosion Limit1.3% v/v
Upper Explosion Limit8% v/v
Electrical Conductivity @ 20C30 uS/m
Dielectric Constant @ 20C13.1
Viscosity @ 20C0.59 mPa.s
Hydrogen Bonding Index10.5
Specific Heat @20C2.1 kJ/kg/C
Miscibility @20C: Solvent in water2.0% m/m
Azeotrape with Water: Boiling Point87.9 C
Density @ 20C0.800 kg/L
Color<5 Pt-Co
Saturated Vapour Concentration @ 20C77 g/m^3
Surface Tension @ 20C24 mN/m
Hildebrand Solubility Parameter8.4 (cal/cm^3)^1/2
Dilution Ration: Toluene3.6
Heat of Combustion (Net) @25C35000 kJ/kg
Coefficient of Cubic Expansion @ 20C12 10^-4/C
Antoine Constant B #1449.92 kPa, C
Vapour Pressure @ 20C1.9 kPa
Freezing Point-85 C
Dilution Ration SBP 100/1401.0
Thermal Conductivity @ 20C0.14 W/m/C
Azeotrope with water: Solvent Content75.7% m/m
Miscibility @20C: Water in solvent2.4% m/m
Vapor Pressure19.9 mm hg
Odorfaint ketoniccamphoraceous odor
Melting Point-85 c
Refractive Index1.396
Flash Point(cc) 13 c
