Critical Constants and Acentric Factors for Selected Fluids
|
Table J-4. Critical temperature, pressure and volume and
acentric factors for selected fluids.[2] |
||||
|
|
Tc(K) |
Pc(bar) |
υc(cm3 mol-1) |
ω |
|
Elements |
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|
Argon |
150.8 |
48.7 |
74.9 |
0.001 |
|
Bromine |
588. |
103. |
127.2 |
0.108 |
|
Chlorine |
416.9 |
79.8 |
123.8 |
0.090 |
|
Fluorine |
144.3 |
52.2 |
66.3 |
0.054 |
|
Helium-4 |
5.19 |
2.27 |
57.4 |
-0.365 |
|
33.0 |
12.9 |
64.3 |
-0.216 |
|
|
Iodine |
819. |
116.5 |
155 |
0.229 |
|
Krypton |
209.4 |
55.0 |
91.2 |
0.005 |
|
Neon |
44.4 |
27.6 |
41.6 |
-0.029 |
|
Nitrogen |
126.2 |
33.9 |
89.8 |
0.039 |
|
Oxygen |
154.6 |
50.4 |
73.4 |
0.025 |
|
Xenon |
289.7 |
58.4 |
118.4 |
0.008 |
|
Hydrocarbons |
||||
|
Acetylene |
308.3 |
61.4 |
112.7 |
0.190 |
|
Benzene |
562.1 |
48.9 |
259. |
0.212 |
|
n-Butane |
425.2 |
38.0 |
255. |
0.199 |
|
1-Butene |
419.6 |
40.2 |
240. |
0.191 |
|
Cyclobutane |
460.0 |
49.9 |
210. |
0.181 |
|
Cyclohexane |
553.8 |
40.7 |
308. |
0.212 |
|
Cyclopropane |
397.8 |
54.9 |
163. |
0.130 |
|
Ethane |
305.4 |
48.8 |
148.3 |
0.099 |
|
Ethylene |
282.4 |
50.4 |
130.4 |
0.089 |
|
n-Heptane |
540.3 |
27.4 |
432. |
0.349 |
|
n-Hexane |
507.5 |
30.1 |
370. |
0.299 |
|
Isobutane |
408.2 |
36.5 |
263. |
0.183 |
|
Isobutylene |
417.9 |
40.0 |
239. |
0.194 |
|
Isopentane |
460.4 |
33.9 |
306. |
0.227 |
|
Methane |
190.4 |
46.0 |
99.2 |
0.011 |
|
Naphthalene |
748.4 |
40.5 |
413. |
0.302 |
|
n-Octane |
568.8 |
24.9 |
492. |
0.398 |
|
n-Pentane |
469.7 |
33.7 |
304. |
0.251 |
|
Propadiene |
393. |
54.7 |
162. |
0.313 |
|
Propane |
369.8 |
42.5 |
203. |
0.153 |
|
Propylene |
364.9 |
46. |
181. |
0.144 |
|
Toluene |
591.8 |
41.0 |
316. |
0.263 |
|
m-Xylene |
617.1 |
35.4 |
376. |
0.325 |
|
o-Xylene |
630.3 |
37.3 |
369. |
0.310 |
|
p-Xylene |
616.2 |
35.1 |
379. |
0.320 |
|
Miscellaneous inorganic compounds |
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|
Ammonia |
405.5 |
113.5 |
72.5 |
0.250 |
|
Carbon dioxide |
304.1 |
73.8 |
93.9 |
0.239 |
|
Carbon disulfide |
552. |
79.0 |
160. |
0.109 |
|
Carbon monoxide |
132.9 |
35.0 |
93.2 |
0.066 |
|
Carbon tetrachloride |
556.4 |
45.6 |
275.9 |
0.193 |
|
Carbon tetrafluoride |
227.6 |
37.4 |
139.6 |
0.177 |
|
Chloroform |
536.4 |
53.7 |
238.9 |
0.218 |
|
Hydrazine |
653. |
147. |
96.1 |
0.316 |
|
Hydrogen chloride |
324.7 |
83.1 |
80.9 |
0.133 |
|
Hydrogen fluoride |
461. |
64.8 |
69.2 |
0.329 |
|
Hydrogen sulfide |
373.2 |
89.4 |
98.6 |
0.081 |
|
Nitric oxide |
180. |
64.8 |
57.7 |
0.588 |
|
Nitrous oxide |
309.6 |
72.4 |
97.4 |
0.165 |
|
Sulfur dioxide |
430.8 |
78.8 |
122.2 |
0.256 |
|
Sulfur trioxide |
491.0 |
82.1 |
127.3 |
0.481 |
|
Water |
647.3 |
221.2 |
57.1 |
0.344 |
|
Miscellaneous organic compounds |
||||
|
Acetaldehyde |
461. |
55.7 |
154. |
0.303 |
|
Acetic acid |
592.7 |
57.9 |
171. |
0.447 |
|
Acetone |
508.1 |
47.0 |
209. |
0.304 |
|
Acetonitrile |
545.5 |
48.3 |
173. |
0.278 |
|
Aniline |
699. |
53.1 |
274. |
0.384 |
|
n-Butanol |
563.1 |
44.2 |
275. |
0.593 |
|
Chlorobenzene |
632.4 |
45.2 |
308. |
0.249 |
|
Dichlorodifluoromethane (Freon 12) |
385.0 |
41.4 |
216.7 |
0.204 |
|
Diethyl ether |
466.7 |
36.4 |
280. |
0.281 |
|
Dimethyl ether |
400.0 |
52.4 |
178. |
0.200 |
|
Ethanol |
513.9 |
61.4 |
167.1 |
0.644 |
|
Ethylene oxide |
469. |
71.9 |
140. |
0.202 |
|
Isobutanol |
547.8 |
43.0 |
273. |
0.592 |
|
Isopropyl alcohol |
508.3 |
47.6 |
220. |
0.665 |
|
Methanol |
512.6 |
80.9 |
118.0 |
0.556 |
|
Methyl chloride |
416.3 |
67.0 |
138.9 |
0.153 |
|
Methyl ethyl ketone |
536.8 |
42.1 |
267. |
0.320 |
|
Phenol |
694.2 |
61.3 |
229. |
0.438 |
|
1-Propanol |
536.8 |
51.7 |
219. |
0.623 |
|
Pyridine |
620.0 |
56.3 |
254. |
0.243 |
|
Trichlorotrifluoroethane (Freon 113) |
487.3 |
34.1 |
325.5 |
0.256 |
|
Trichlorofluoromethane (Freon 11) |
471.2 |
44.1 |
247.8 |
0.189 |
|
Trimethylamine |
433.3 |
40.9 |
254. |
0.205 |
[2] Taken from a more complete list given in R. C. Reid, J. M.
Prausnitz, and B. E. Poling, 1987, The Properties of Gases and Liquids,
4th Ed. New York: McGraw-Hill.