This page provides supplementary chemical data on glycerol.
Material Safety Data Sheet
The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI, and follow its directions.
Structure and properties
Thermodynamic properties
Phase behavior
|
Triple point
| 291.8 K (18.7 °C), ? Pa
|
Critical point
| 850 K (577 °C), 7500 kPa
|
Std enthalpy change of fusion, ΔfusHo
| 18.28 kJ/mol
|
Std entropy change of fusion, ΔfusSo
| 62.7 J/(mol·K)
|
Std enthalpy change of vaporization, ΔvapHo
| 91.7 kJ/mol
|
Std entropy change of vaporization, ΔvapSo
| 201 J/(mol·K)
|
Solid properties
|
Std enthalpy change of formation, ΔfHosolid
| ? kJ/mol
|
Standard molar entropy, Sosolid
| ? J/(mol K)
|
Heat capacity, cp
| 150. J/(mol K) 6°C - 11°C
|
Liquid properties
|
Std enthalpy change of formation, ΔfHoliquid
| –669.6 kJ/mol
|
Standard molar entropy, Soliquid
| ? J/(mol K)
|
Enthalpy of combustion, ΔcHo
| –1654.3 kJ/mol
|
Heat capacity, cp
| 221.9 J/(mol K) at 25°C
|
Gas properties
|
Std enthalpy change of formation, ΔfHogas
| –577.9 kJ/mol
|
Standard molar entropy, Sogas
| ? J/(mol K)
|
Heat capacity, cp
| ? J/(mol K)
|
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.
Freezing point of aqueous solutions
% glycerol by volume
| 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 d15°
| 1.02415 | 1.40935 | 1.07560 | 1.10255 | 1.12985 | 1.15770 | 1.18540 | 1.21290 | 1.23950 | 1.26557
|
Table data obtained from Lange's Handbook of Chemistry, 10th ed. Specific gravity is at 15°C, referenced to water at 15°C.
See details on: Freezing Points of Glycerine-Water Solutions Dow Chemical
[3]
Distillation data
Vapor-liquid Equilibrium of Glycerol/water[4] P = 760 mmHg
|
BP Temp. °C
| % by mole water
|
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
|
Spectral data
References
- ^ Lange's Handbook of Chemistry, 10th ed. pp 1669-1674
- ^ Pure Component Properties (Queriable database). Chemical Engineering Research Information Center. Retrieved on 13 May 2007.
- ^ Freezing Points of Glycerine-Water Solutions Dow Chemical
- ^ Binary Vapor-Liquid Equilibrium Data (Queriable database). Chemical Engineering Research Information Center.
Except where noted otherwise, data relate to standard ambient temperature and pressure.
Disclaimer applies.
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