Handbook of Solvents - George Wypych - ChemTech - Ventech!

86 George Wypych
Property
minimum
Value
maximum median
mutagenic properties acrolein, formaldehyde, furfural
biological oxygen demand, 5-day test, g/g 0.00 0.77 0.74
chemical oxygen demand, g/g 1.72
theoretical oxygen demand, g/g 1.07 2.00 1.67
biodegradation probability days-weeks
octanol/water partition coefficient 0.35 1.48
urban ozone formation 0.94 1.55 1.23
3.3.9 ETHERS
Property
minimum
Value
maximum median
boiling temperature, o C 34.4 289 104
freezing temperature, o C -137 64 -58
flash point, o C -46 135 25
autoignition temperature, o C 189 618 429
refractive index 1.35 1.57 1.42
specific gravity, g/cm 3
0.71 1.21 0.89
vapor density (air=1) 1.5 6.4 4.0
vapor pressure, kPa 0.00 174.7 1.33
viscosity, mPa.s 0.24 1.1 0.42
surface tension, mN/m 17.4 38.8 24.8
dissociation constant, pKa -5.4 -2.08 -2.92
donor number, DN, kcal/mol 6 24 19
acceptor number, AN 3.3 10.8 8
polarity parameter, ET(30), kcal/mol 16 43.1 36
specific heat, cal/K mol 28.77 60.22 45.86
heat of vaporization, cal/g 5.99 13.1 10.57
heat of combustion, MJ/kg 34.69 38.07 36.58
dielectric constant 2.2 13.0 4.5
Hildebrand solubility parameter, cal 1/2 cm -3/2
7 10.5 9.2
Henry’s Law constant, atm/m 3 mol 54E-9 8.32E0 3.19E-4
evaporation rate (butyl acetate = 1) 0.004 11.88 8.14