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1-Propanol (data page)

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Chemical data page

This page provides supplementary chemical data on1-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,n_D

1.383 at 25 °C

Abbe number

Dielectric constant, ε_r

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, Δ_fusH^o	5.37 kJ/mol
Std entropy change of fusion, Δ_fusS^o	36 J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	47.5 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	126.6 J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	-763 kJ/mol
Standard molar entropy, S^o_solid	112.7 J/(mol K)
Heat capacity,c_p	106.3 J/(mol K) at –124 °C
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	–303.0 kJ/mol
Standard molar entropy, S^o_liquid	192.8 J/(mol K)
Enthalpy of combustion, Δ_cH^o	–2021 kJ/mol
Heat capacity,c_p	144.4 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	–255 kJ/mol
Standard molar entropy, S^o_gas	322.49 J/(mol K)
Heat capacity,c_p	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 fromCRC Handbook of Chemistry and Physics 44th ed.

**log₁₀ ofn-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]

{\displaystyle \scriptstyle \log _{e}P_{mmHg}=} — **log₁₀ ofn-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

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BP Temp. °C	% by mole water
Vapor-liquid Equilibrium forn-propanol/Water^[4] P = 100 kPa
BP Temp. °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. °C	% by mole methanol
Vapor-liquid Equilibrium forn-propanol/Methanol^[4] P = 760 mm Hg
BP Temp. °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. °C	% by mole butanone
Vapor-liquid Equilibrium forn-propanol/Butanone^[4] P = 760 mm Hg
BP Temp. °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. °C	% by mole cyclohexane
Vapor-liquid Equilibrium forn-propanol/Cyclohexane^[4] P = 101.325 kPa
BP Temp. °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. °C	% by molen-propanol
Vapor-liquid Equilibrium forn-propanol/n-Hexane^[4] P = 760 mm Hg
BP Temp. °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. °C	% by mole acetone
Vapor-liquid Equilibrium forn-propanol/Acetone^[4] P = 760 mm Hg
BP Temp. °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

Spectral data

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UV-Vis
λ_max	?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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^CRC Handbook of Chemistry and Physics, 47th ed. p F-31 - F-42
^CRC Handbook of Chemistry and Physics 47th ed, p D-104
^"Pure Component Properties"(Queriable database). Chemical Engineering Research Information Center. Retrieved19 May 2007.
^^a ^b ^c ^d ^e ^f"Binary Vapor-Liquid Equilibrium Data"(Queriable database). Chemical Engineering Research Information Center. Retrieved19 May 2007.

Linstrom, Peter (1997)."NIST Standard Reference Database". National Institute of Standards and Technology.doi:10.18434/T4D303.{{cite journal}}:Cite journal requires|journal= (help)

This box:

Except where noted otherwise, data relate toStandard temperature and pressure.
Reliability of data general note.

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