Chemical data page
This page provides supplementary chemical data on 1-Propanol (n -propanol).
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommended that you seek the Material Safety Datasheet (MSDS ) for this chemical from a reliable source.
Structure and properties
Thermodynamic properties
Phase behavior
Triple point
148.75 K (–124.4 °C), ? Pa
Critical point
536.9 K (263.8 °C), 5200 kPa
Std enthalpy change of fusion , Δfus H o
5.37 kJ/mol
Std entropy change of fusion , Δfus S o
36 J/(mol·K)
Std enthalpy change of vaporization , Δvap H o
47.5 kJ/mol
Std entropy change of vaporization , Δvap S o
126.6 J/(mol·K)
Solid properties
Std enthalpy change of formation , Δf H o solid
-763 kJ/mol
Standard molar entropy ,S o solid
112.7 J/(mol K)
Heat capacity , cp
106.3 J/(mol K) at –124 °C
Liquid properties
Std enthalpy change of formation , Δf H o liquid
–303.0 kJ/mol
Standard molar entropy ,S o liquid
192.8 J/(mol K)
Enthalpy of combustion , Δc H o
–2021 kJ/mol
Heat capacity , cp
144.4 J/(mol K)
Gas properties
Std enthalpy change of formation , Δf H o gas
–255 kJ/mol
Standard molar entropy ,S o gas
322.49 J/(mol K)
Heat capacity , cp
85.56 J/(mol K) at 25°
van der Waals' constants [ 2]
a = 1512 L2 kPa/mol2 b = 0.1029 liter per mole
Vapor pressure of liquid
P in mm Hg
1
10
40
100
400
760
1520
3800
7600
15200
30400
45600
T in °C
–15.0
14.7
36.4
52.8
82.0
97.8
117.0
149.0
177.0
210.8
250.0
—
Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.
log10 of n -propanol vapor pressure. Uses formula:
log
e
-->
P
m
m
H
g
=
{\displaystyle \scriptstyle \log _{e}P_{mmHg}=}
log
e
-->
(
760
101.325
)
− − -->
7.702226
log
e
-->
(
T
+
273.15
)
− − -->
8002.693
T
+
273.15
+
71.71697
+
3.950448
× × -->
10
− − -->
07
(
T
+
273.15
)
2
{\displaystyle \scriptstyle \log _{e}({\frac {760}{101.325}})-7.702226\log _{e}(T+273.15)-{\frac {8002.693}{T+273.15}}+71.71697+3.950448\times 10^{-07}(T+273.15)^{2}}
obtained from CHERIC[ 3]
Distillation data
Vapor-liquid Equilibrium for n -propanol/Water [ 4] P = 100 kPa
BP Temp. °C
% by mole water
liquid
vapor
96.60
0.00
0.00
96.25
1.3
2.5
94.69
3.8
9.7
92.92
8.3
19.4
90.64
16.0
31.7
89.31
22.6
39.0
88.48
28.3
43.7
87.67
35.6
48.7
87.32
42.6
52.2
87.18
50.0
55.0
87.13
58.3
57.2
87.12
64.8
58.5
87.17
70.8
59.5
87.29
76.3
60.3
87.47
81.7
60.8
87.63
85.3
61.3
87.78
88.3
61.9
87.97
91.1
62.7
88.28
92.6
63.2
88.62
94.5
64.3
89.26
95.7
66.3
90.15
96.7
68.3
91.91
97.8
73.9
93.72
98.5
79.4
95.56
99.1
85.4
97.08
99.6
90.5
98.80
99.9
98.4
99.63
100.0
100.0
Vapor-liquid Equilibrium for n -propanol/Methanol [ 4] P = 760 mm Hg
BP Temp. °C
% by mole methanol
liquid
vapor
92.30
9.2
23.5
88.88
18.0
41.2
83.90
28.0
56.2
82.53
32.0
61.0
80.25
38.0
67.5
78.15
45.9
75.3
74.46
58.1
83.2
74.42
58.3
83.5
71.28
68.0
88.8
69.40
76.4
92.8
68.30
82.2
94.0
67.08
86.2
95.5
Vapor-liquid Equilibrium for n -propanol/Butanone [ 4] P = 760 mm Hg
BP Temp. °C
% by mole butanone
liquid
vapor
94.8
5.4
12.5
93.0
9.3
20.6
91.8
12.8
27.1
90.3
17.1
33.7
88.9
23.5
41.3
87.7
28.4
46.9
86.1
36.6
54.7
84.9
44.0
60.5
83.8
53.3
67.7
83.5
57.2
70.1
82.5
64.1
74.8
81.6
73.0
81.0
81.0
80.4
85.9
80.4
87.9
90.9
79.9
94.3
95.7
Vapor-liquid Equilibrium for n -propanol/Cyclohexane [ 4] P = 101.325 kPa
BP Temp. °C
% by mole cyclohexane
liquid
vapor
80.42
100
100
77.42
96.46
88.36
76.40
95.27
85.29
75.71
93.97
83.35
75.18
91.59
80.91
74.92
89.52
79.43
74.59
86.19
77.89
74.40
80.52
76.29
74.33
78.11
75.69
74.29
75.91
75.13
74.27
74.19
74.75
74.28
71.43
74.30
74.33
68.00
73.70
74.43
64.26
72.87
74.49
61.21
72.20
74.77
54.09
70.71
75.23
48.00
69.53
75.59
41.10
67.48
76.78
33.29
64.73
77.72
28.53
62.71
79.12
23.01
59.03
81.11
17.35
53.39
82.69
14.44
49.70
84.90
10.73
42.87
86.64
8.44
38.28
89.34
4.75
28.90
90.65
3.60
24.39
91.88
2.70
19.94
92.85
2.13
16.06
93.44
1.64
13.64
97.0
0.0
0.0
Vapor-liquid Equilibrium for n -propanol/n -Hexane [ 4] P = 760 mm Hg
BP Temp. °C
% by mole n -propanol
liquid
vapor
77.70
2.3
13.6
70.05
6.0
25.7
68.25
11.7
42.4
64.70
21.0
55.8
64.10
24.6
60.0
63.90
28.6
63.7
62.25
39.8
67.2
62.20
41.7
67.2
61.90
49.3
69.1
61.55
59.3
70.6
61.60
65.7
72.0
61.65
67.3
72.5
61.60
72.8
72.7
61.80
87.2
75.8
62.50
92.3
79.9
63.90
97.5
85.6
Vapor-liquid Equilibrium for n -propanol/Acetone [ 4] P = 760 mm Hg
BP Temp. °C
% by mole acetone
liquid
vapor
86.55
10.80
40.31
78.35
24.17
63.36
72.65
35.55
74.32
68.50
47.42
81.76
65.00
60.74
87.74
62.85
71.29
91.51
Spectral data
References
^ CRC Handbook of Chemistry and Physics , 47th ed. p F-31 - F-42
^ CRC Handbook of Chemistry and Physics 47th ed, p D-104
^ "Pure Component Properties" (Queriable database) . Chemical Engineering Research Information Center. Retrieved 19 May 2007 .
^ a b c d e f "Binary Vapor-Liquid Equilibrium Data" (Queriable database) . Chemical Engineering Research Information Center. Retrieved 19 May 2007 .