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

More information Structure and properties ...

Structure and properties

Index of refraction, n_D

1.383 at 25 Â°C

Abbe number

?

Dielectric constant, Îµ_r

20.1 Îµ₀ at 25 Â°C

Bond strength

?

Bond length

?

Bond angle

?

Magnetic susceptibility

?

Surface tension

23.78 dyn/cm at 20 Â°C

Viscosity^[1]

3.893 mPaÂ·s	at 0 Â°C
2.52 mPaÂ·s	at 15 Â°C
2.256 mPaÂ·s	at 20 Â°C
1.72 mPaÂ·s	at 30 Â°C
1.405 mPaÂ·s	at 40 Â°C
1.130 mPaÂ·s	at 50 Â°C
0.760 mPaÂ·s	at 70 Â°C

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Thermodynamic properties

More information Phase behavior, Solid properties ...

Phase behavior
Triple point	148.75 K (â124.4 Â°C), ? Pa
Critical point	536.9 K (263.8 Â°C), 5200 kPa
Std enthalpy change of fusion, Î_fusH^o	5.37 kJ/mol
Std entropy change of fusion, Î_fusS^o	36 J/(molÂ·K)
Std enthalpy change of vaporization, Î_vapH^o	47.5 kJ/mol
Std entropy change of vaporization, Î_vapS^o	126.6 J/(molÂ·K)
Solid properties
Std enthalpy change of formation, Î_fH^o_solid	â763 kJ/mol
Standard molar entropy, S^o_solid	112.7 J/(mol K)
Heat capacity, c_p	106.3 J/(mol K) at â124 Â°C
Liquid properties
Std enthalpy change of formation, Î_fH^o_liquid	â303.0 kJ/mol
Standard molar entropy, S^o_liquid	192.8 J/(mol K)
Enthalpy of combustion, Î_cH^o	â2021 kJ/mol
Heat capacity, c_p	144.4 J/(mol K)
Gas properties
Std enthalpy change of formation, Î_fH^o_gas	â255 kJ/mol
Standard molar entropy, S^o_gas	322.49 J/(mol K)
Heat capacity, c_p	85.56 J/(mol K) at 25Â°
van der Waals' constants^[2]	a = 1512 L² kPa/mol² b = 0.1029 liter per mole

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Vapor pressure of liquid

P in mm Hg		1	10	40	100	400	760	1520	3800	7600	15200	30400	45600
T in Â°C		â15.0	14.7	36.4	52.8	82.0	97.8	117.0	149.0	177.0	210.8	250.0	â

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

**log₁₀ of n-propanol vapor pressure.** Uses formula: $\scriptstyle \log _{e}P_{mmHg}=$ $\scriptstyle \log _{e}({\frac {760}{101.325}})-7.702226\log _{e}(T+273.15)-{\frac {8002.693}{T+273.15}}+71.71697+3.950448\times 10^{-07}(T+273.15)^{2}$ obtained from CHERIC^[3]

Distillation data

More information BPTemp. Â°C, % by mole water ...

BP Temp. Â°C	% by mole water
Vapor-liquid Equilibrium for n-propanol/Water^[4] P = 100 kPa
BP Temp. Â°C	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

BP Temp. Â°C	% by mole methanol
Vapor-liquid Equilibrium for n-propanol/Methanol^[4] P = 760 mm Hg
BP Temp. Â°C	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

BP Temp. Â°C	% by mole butanone
Vapor-liquid Equilibrium for n-propanol/Butanone^[4] P = 760 mm Hg
BP Temp. Â°C	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

BP Temp. Â°C	% by mole cyclohexane
Vapor-liquid Equilibrium for n-propanol/Cyclohexane^[4] P = 101.325 kPa
BP Temp. Â°C	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

BP Temp. Â°C	% by mole n-propanol
Vapor-liquid Equilibrium for n-propanol/n-Hexane^[4] P = 760 mm Hg
BP Temp. Â°C	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

BP Temp. Â°C	% by mole acetone
Vapor-liquid Equilibrium for n-propanol/Acetone^[4] P = 760 mm Hg
BP Temp. Â°C	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

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Spectral data

More information UV-Vis, IR ...

UV-Vis
Î»_max	? nm
Extinction coefficient, Îµ	?
IR
Major absorption bands	? cm^â1
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of main fragments

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1-Propanol (data page)

Material Safety Data Sheet

Structure and properties

Thermodynamic properties

Vapor pressure of liquid

Distillation data

Spectral data

References

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