Boiling and Freezing Point Properties of Selected Substances

Heat Transfer Engineering
Thermodynamics
Engineering Physics

Boiling and freezing point properties of selected substances

Substance
Boiling Data at l atm
Freezing Data
Liquid Properties
Normal Boiling
Point, °C
Latent Heat
of Vaporization
hfg, kJ/kg
Freezing
Point, °C
Latent Heat
of Fusion
hif
, kJ/kg
Temp.
°C
Density r,
kg/m3
Specific
Heat cc,
kJ/kg·K
Ammonia
-33.3
1357
-77.7
322.4
-33.3
682
4.43
-20
665
4.52
0
639
4.60
25
602
4.80
Argon
-185.9
161.6
-189.3
28
-185.6
1394
1.14
Benzene
80.2
394
5.5
126
20
879
1.72
Brine (20% sodium
chloride by mass)
103.9
-17.4
20
1150
3.11
n-Butane
-0.5
385.2
-138.5
80.3
-0.5
601
2.31
Carbon dioxide
-78.4*
230.5 (at 0-C)
-56.6
0
298
0.59
Ethanol
78.2
838.3
-114.2
109
25
783
2.46
Ethyl alcohol
78.6
855
-156
108
20
789
2.84
Ethylene glycol
198.1
800.1
-10.8
181.1
20
1109
2.84
Glycerine
179.9
974
18.9
200.6
20
1261
2.32
Helium
-268.9
22.8
-268.9
146.2
22.8
Hydrogen
-252.8
445.7
-259.2
59.5
-252.8
70.7
10.0
Isobutane
-11.7
367.1
-160
105.7
-11.7
593.8
2.28
Kerosene
204–293
251
-24.9
20
820
2.00
Mercury
356.7
294.7
-38.9
11.4
25
13,560
0.139
Methane
-161.5
510.4
-182.2
58.4
-161.5
423
3.49
-100
301
5.79
Methanol
64.5
1100
-97.7
99.2
25
787
2.55
Nitrogen
-195.8
198.6
-210
25.3
-195.8
809
2.06
-160
596
2.97
Octane
124.8
306.3
-57.5
180.7
20
703
2.10
Oil (light)
25
910
1.80
Oxygen
-183
212.7
-218.8
13.7
-183
1141
1.71
Petroleum
230–384
20
640
2.0
Propane
-42.1
427.8
-187.7
80.0
-42.1
581
2.25
0
529
2.53
50
449
3.13
Refrigerant-134a
-26.1
216.8
-96.6
-50
1443
1.23
-26.1
1374
1.27
0
1295
1.34
25
1207
1.43
Water
100
2257
0.0
333.7
0
1000
4.22
25
997
4.18
50
988
4.18
75
975
4.19
100
958
4.22

* Sublimation temperature. (At pressures below the triple-point pressure of 518kPa, carbon dioxide exists as a solid or gas. Also, the freezing-point temperature of carbon dioxide is the triple-point temperature of -56.5°C.)

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