1Selected from David Himmelblau. Basic Principles and Calculations in Chemical Engineering, 7th ed. (Upper Saddle River, NJ: Prentice Hall, 2003), p. 1057.
where
Psat is the saturation vapor pressure (mm Hg),
T is the temperature (K), and
A, B, C are constants given below.
Species |
Formula |
Range (K) |
A |
B |
C |
---|---|---|---|---|---|
Acetone |
C3H6O |
241–350 |
16.6513 |
2940.46 |
−35.93 |
Benzene |
C6H6 |
280–377 |
15.9008 |
2788.51 |
−52.36 |
Carbon tetrachloride |
CCl4 |
253–374 |
15.8742 |
2808.19 |
−45.99 |
Chloroform |
CHCl3 |
260–370 |
15.9732 |
2696.79 |
−46.19 |
Cyclohexane |
C6H12 |
280–380 |
15.7527 |
2766.63 |
−50.50 |
Ethyl acetate |
C4H8O2 |
260–385 |
16.1516 |
2790.50 |
−57.15 |
Ethyl alcohol |
C2H6O |
270–369 |
18.9119 |
3803.98 |
−41.68 |
n-Heptane |
C7H16 |
270–400 |
15.8737 |
2911.32 |
−56.51 |
n-Hexane |
C6H14 |
245–370 |
15.8366 |
2697.55 |
−48.78 |
Methyl alcohol |
CH4O |
257–364 |
18.5875 |
3626.55 |
−34.29 |
n-Pentane |
C5H12 |
220–330 |
15.8333 |
2477.07 |
−39.94 |
Toluene |
C6H5CH3 |
280–410 |
16.0137 |
3096.52 |
−53.67 |
Water |
H2O |
284–441 |
18.3036 |
3816.44 |
−46.11 |