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1-Propanol (data page)

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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

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
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

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, ΔfusH 		5.37 kJ/mol
Std entropy change
of fusion, ΔfusS 		36 J/(mol·K)
Std enthalpy change
of vaporization, ΔvapH 		47.5 kJ/mol
Std entropy change
of vaporization, ΔvapS 		126.6 J/(mol·K)
Solid properties
Std enthalpy change
of formation, ΔfHsolid 		-763 kJ/mol
Standard molar entropy,
Ssolid 		112.7 J/(mol K)
Heat capacity, cp 106.3 J/(mol K) at –124 °C
Liquid properties
Std enthalpy change
of formation, ΔfHliquid 		–303.0 kJ/mol
Standard molar entropy,
Sliquid 		192.8 J/(mol K)
Enthalpy of combustion, ΔcH –2021 kJ/mol
Heat capacity, cp 144.4 J/(mol K)
Gas properties
Std enthalpy change
of formation, ΔfHgas 		–255 kJ/mol
Standard molar entropy,
Sgas 		322.49 J/(mol K)
Heat capacity, cp 85.56 J/(mol K) at 25°
van der Waals' constants a = 1512 L kPa/mol
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

Distillation data

Vapor-liquid Equilibrium
for n-propanol/Water
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
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
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
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
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
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

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

References

  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. ^ "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 19 May 2007.
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