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·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, 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

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: ${\displaystyle \scriptstyle \log _{e}P_{mmHg}=}$${\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

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