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1-Propanol (data page)

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This page provides supplementary chemical data on 1-Propanol (n-propanol).

Material Safety Data Sheet

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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

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Structure and properties
Index of refraction, nD 1.383 at 25 °C
Abbe number ?
Dielectric constant, εr 20.1 ε0 at 25 °C
Bond strength ?
Bond length ?
Bond angle ?
Magnetic susceptibility ?
Surface tension 23.78 dyn/cm at 20 °C
Viscosity[1]
3.893 mPa·s at 0 °C
2.52 mPa·s at 15 °C
2.256 mPa·s at 20 °C
1.72 mPa·s at 30 °C
1.405 mPa·s at 40 °C
1.130 mPa·s at 50 °C
0.760 mPa·s at 70 °C

Thermodynamic properties

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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
, ΔfusHo
5.37 kJ/mol
Std entropy change
of fusion
, ΔfusSo
36 J/(mol·K)
Std enthalpy change
of vaporization
, ΔvapHo
47.5 kJ/mol
Std entropy change
of vaporization
, ΔvapSo
126.6 J/(mol·K)
Solid properties
Std enthalpy change
of formation
, ΔfHosolid
-763 kJ/mol
Standard molar entropy,
Sosolid
112.7 J/(mol K)
Heat capacity, cp 106.3 J/(mol K) at –124 °C
Liquid properties
Std enthalpy change
of formation
, ΔfHoliquid
–303.0 kJ/mol
Standard molar entropy,
Soliquid
192.8 J/(mol K)
Enthalpy of combustion, ΔcHo –2021 kJ/mol
Heat capacity, cp 144.4 J/(mol K)
Gas properties
Std enthalpy change
of formation
, ΔfHogas
–255 kJ/mol
Standard molar entropy,
Sogas
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

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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: obtained from CHERIC[3]

Distillation data

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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

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UV-Vis
λmax ? nm
Extinction coefficient, ε ?
IR
Major absorption bands ? cm−1
NMR
Proton NMR  
Carbon-13 NMR  
Other NMR data  
MS
Masses of
main fragments
 

References

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  1. ^ CRC Handbook of Chemistry and Physics, 47th ed. p F-31 - F-42
  2. ^ CRC Handbook of Chemistry and Physics 47th ed, p D-104
  3. ^ "Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 19 May 2007.
  4. ^ a b c d e f "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 19 May 2007.
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