Glycerol_(data_page)

Glycerol (data page)

Chemical data page

This page provides supplementary chemical data on glycerol.

Vapor pressure of liquid

P in mm Hg		1	10	40	100	400	760
T in °C		125.5	167.2	198.0	220.1	263.0	290.0

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

log_e of Glycerol vapor pressure. Uses formula: $\scriptstyle \log _{e}P_{kPa}=$ $\scriptstyle A\times ln(T)+B/T+C+D\times T^{2}$ with coefficients A=-2.125867E+01, B=-1.672626E+04, C=1.655099E+02, and D=1.100480E-05 obtained from CHERIC^[5]

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[1] [1]
"Physical Properties of Glycerine and its solutions" (PDF). Retrieved 19 March 2021.

[Viscosity_of_Glycerol_and_its_Aqueous_Solutions-2] [2]
Segur, J. B.; Oberstar, H. E. (1951). "Viscosity of Glycerol and Its Aqueous Solutions". Industrial & Engineering Chemistry. 43 (9): 2117–2120. doi:10.1021/ie50501a040.

[3] [3]
"Glycerin".

[4] [4]
Lange's Handbook of Chemistry, 17th Ed., 2017, McGraw-Hill Education, Table 2.54.

[cheric_p-5] [5]
"Pure Component Properties" (Queriable database). Chemical Engineering Research Information Center. Retrieved 13 May 2007.

[6] [6]
Freezing Points of Glycerine-Water Solutions Dow Chemical

[7] [7]
Lane, Leonard B. (September 1925). "Freezing Points of Glycerol and Its Aqueous Solutions". Industrial & Engineering Chemistry. 17 (9): 924. doi:10.1021/ie50189a017.

[cheric-8] [8]
"Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 7 June 2007.

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Structure and properties
Index of refraction, n_D	1.4729 at 20 °C
Abbe number	?
Dielectric constant, ε_r	42.5 ε₀ at 25 °C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	?
Surface tension^[1]	63.4 mN/m at 20 °C 58.6 mN/m at 90 °C 51.9 mN/m at 150 °C
Viscosity^[2]	1.412 Pa·s at 20 °C

Phase behavior
Triple point	291.8 K (18.7 °C), ~99500 Pa
Critical point	850 K (577 °C), 7500 kPa
Std enthalpy change of fusion, Δ_fusH^o	18.28 kJ/mol
Std entropy change of fusion, Δ_fusS^o	62.7 J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	91.7 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	201 J/(mol·K)
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	37.87 J/(mol K)^[3]
Heat capacity, c_p	150. J/(mol K) 6 °C - 11 °C
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	–669.6 kJ/mol
Standard molar entropy, S^o_liquid	206.3 J/(mol K)^[4]
Enthalpy of combustion, Δ_cH^o	–1654.3 kJ/mol
Heat capacity, c_p	221.9 J/(mol K) at 25 °C
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	–577.9 kJ/mol
Standard molar entropy, S^o_gas	? J/(mol K)
Heat capacity, c_p	? J/(mol K)

% glycerol by weight	10	20	30	40	50	60	70	80	90	100
Freezing point °C	–1.6	–4.8	–9.5	–15.5	–22.0	–33.6	–37.8	–19.2	–1.6	17.0
Specific gravity d^15°	1.02415	1.04935	1.07560	1.10255	1.12985	1.15770	1.18540	1.21290	1.23950	1.26557

BP Temp. °C	% by mole water
Vapor-liquid Equilibrium of Glycerol/water^[8] P = 760 mmHg
BP Temp. °C	liquid	vapor
278.8	2.75	93.15
247.0	4.67	94.73
224.0	6.90	95.63
219.2	7.67	97.43
210.0	9.01	97.83
202.5	10.31	97.24
196.5	11.59	98.39
175.2	17.56	98.99
149.3	30.04	99.64
137.2	38.47	99.76
136.8	38.95	98.78
131.8	43.58	99.76
121.5	56.33	99.84
112.8	70.68	99.93
111.3	73.86	99.94
106.3	84.42	99.96

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

Glycerol_(data_page)

Glycerol (data page)

Material Safety Data Sheet

Structure and properties

Thermodynamic properties

Vapor pressure of liquid

Freezing point of aqueous solutions

Distillation data

Spectral data

References

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