1-Propanol (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[1]
3.893 mPa·sat 0 °C
2.52 mPa·sat 15 °C
2.256 mPa·sat 20 °C
1.72 mPa·sat 30 °C
1.405 mPa·sat 40 °C
1.130 mPa·sat 50 °C
0.760 mPa·sat 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
, 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
 ? 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

P in mm Hg11040100400760152038007600152003040045600
T in °C–15.014.736.452.882.097.8117.0149.0177.0210.8250.0 

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

Vapor-liquid Equilibrium
for n-propanol/Water
[4]
P = 100 kPa
BP
Temp.
°C
 % by mole water
liquidvapor
96.600.000.00
96.251.32.5
94.693.89.7
92.928.319.4
90.6416.031.7
89.3122.639.0
88.4828.343.7
87.6735.648.7
87.3242.652.2
87.1850.055.0
87.1358.357.2
87.1264.858.5
87.1770.859.5
87.2976.360.3
87.4781.760.8
87.6385.361.3
87.7888.361.9
87.9791.162.7
88.2892.663.2
88.6294.564.3
89.2695.766.3
90.1596.768.3
91.9197.873.9
93.7298.579.4
95.5699.185.4
97.0899.690.5
98.8099.998.4
99.63100.0100.0
   
Vapor-liquid Equilibrium
for n-propanol/Methanol
[4]
P = 760 mm Hg
BP
Temp.
°C
 % by mole methanol
liquidvapor
92.309.223.5
88.8818.041.2
83.9028.056.2
82.5332.061.0
80.2538.067.5
78.1545.975.3
74.4658.183.2
74.4258.383.5
71.2868.088.8
69.4076.492.8
68.3082.294.0
67.0886.295.5
 
Vapor-liquid Equilibrium
for n-propanol/Butanone
[4]
P = 760 mm Hg
BP
Temp.
°C
 % by mole butanone
liquidvapor
94.85.412.5
93.09.320.6
91.812.827.1
90.317.133.7
88.923.541.3
87.728.446.9
86.136.654.7
84.944.060.5
83.853.367.7
83.557.270.1
82.564.174.8
81.673.081.0
81.080.485.9
80.487.990.9
79.994.395.7
   
Vapor-liquid Equilibrium
for n-propanol/Cyclohexane
[4]
P = 101.325 kPa
BP
Temp.
°C
 % by mole cyclohexane
liquidvapor
80.42100100
77.4296.4688.36
76.4095.2785.29
75.7193.9783.35
75.1891.5980.91
74.9289.5279.43
74.5986.1977.89
74.4080.5276.29
74.3378.1175.69
74.2975.9175.13
74.2774.1974.75
74.2871.4374.30
74.3368.0073.70
74.4364.2672.87
74.4961.2172.20
74.7754.0970.71
75.2348.0069.53
75.5941.1067.48
76.7833.2964.73
77.7228.5362.71
79.1223.0159.03
81.1117.3553.39
82.6914.4449.70
84.9010.7342.87
86.648.4438.28
89.344.7528.90
90.653.6024.39
91.882.7019.94
92.852.1316.06
93.441.6413.64
97.00.00.0
   
Vapor-liquid Equilibrium
for n-propanol/n-Hexane
[4]
P = 760 mm Hg
BP
Temp.
°C
 % by mole n-propanol
liquidvapor
77.702.313.6
70.056.025.7
68.2511.742.4
64.7021.055.8
64.1024.660.0
63.9028.663.7
62.2539.867.2
62.2041.767.2
61.9049.369.1
61.5559.370.6
61.6065.772.0
61.6567.372.5
61.6072.872.7
61.8087.275.8
62.5092.379.9
63.9097.585.6
 
Vapor-liquid Equilibrium
for n-propanol/Acetone
[4]
P = 760 mm Hg
BP
Temp.
°C
 % by mole acetone
liquidvapor
86.5510.8040.31
78.3524.1763.36
72.6535.5574.32
68.5047.4281.76
65.0060.7487.74
62.8571.2991.51

Spectral data

UV-Vis
λmax  ? nm
Extinction coefficient, ε  ?
IR
Major absorption bands  ? cm1
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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