Glycerin
- Formula: C3H8O3
- Molecular weight: 92.0938
- IUPAC Standard InChIKey: PEDCQBHIVMGVHV-UHFFFAOYSA-N
- CAS Registry Number: 56-81-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: 1,2,3-Propanetriol; Glycerol; Glycerine; Glyceritol; Glycyl alcohol; Glyrol; Glysanin; Osmoglyn; Propanetriol; Trihydroxypropane; Synthetic glycerin; 90 Technical glycerin; Dagralax; Glycerin, anhydrous; Glycerin, synthetic; Ophthalgan; Synthetic glycerine; Vitrosupos; 1,2,3-Trihydroxypropane; 90 Technical glycerine; Clyzerin, wasserfrei; Grocolene; MOON; Star; Optim; Bulbold; Cristal; Emery 912; Incorporation factor; Pricerine 9091; Propane-1,2,3-triol; Emery 916; IFP; NSC 9230; Auralgan (Salt/Mix); Collyrium Fresh-Eye Drops (Salt/Mix)
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Phase change data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 550. ± 40. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 290. ± 5. | K | AVG | N/A | Average of 9 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 291.8 | K | N/A | Wilhoit, Chao, et al., 1985 | Uncertainty assigned by TRC = 0.2 K; TRC |
Ttriple | 291.0 | K | N/A | Gibson and Giauque, 1923 | Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 850. | K | N/A | Nikitin, Pavlov, et al., 1993 | Uncertainty assigned by TRC = 4. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 74.02 | atm | N/A | Nikitin, Pavlov, et al., 1993 | Uncertainty assigned by TRC = 1.97 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 21.9 ± 0.2 | kcal/mol | C | Bastos, Nilsson, et al., 1988 | Uc=-1653.1±0.4 kJ/mol; ALS |
ΔvapH° | 21.9 | kcal/mol | N/A | Bastos, Nilsson, et al., 1988 | DRB |
ΔvapH° | 21.9 ± 0.2 | kcal/mol | C | Bastos, Nilsson, et al., 1988 | AC |
ΔvapH° | 20.5 | kcal/mol | V | Ross and Heideger, 1962 | ALS |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
455.2 | 0.026 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
18.8 | 484. | A | Stephenson and Malanowski, 1987 | Based on data from 469. to 563. K.; AC |
20.5 | 308. | ME | Stephenson and Malanowski, 1987 | Based on data from 293. to 343. K. See also Ross and Heideger, 1962 and Dykyj, 1970.; AC |
20.7 | 316. | ME | Cammenga, Schulze, et al., 1977 | Based on data from 291. to 341. K.; AC |
16.1 | 343. | GC | Nováková and Novák, 1977 | AC |
16.0 | 353. | GC | Nováková and Novák, 1977 | AC |
15.8 | 363. | GC | Nováková and Novák, 1977 | AC |
15.7 | 373. | GC | Nováková and Novák, 1977 | AC |
15.5 | 383. | GC | Nováková and Novák, 1977 | AC |
17.1 | 300. | N/A | McFeely and Somorjai, 1972 | Based on data from 278. to 323. K.; AC |
21. | 471. | N/A | Richardson, 1886 | Based on data from 456. to 553. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
456.40 to 533.6 | 3.93166 | 1411.531 | -200.566 | Richardson, 1886, 2 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
4.3745 | 292. | Yoshida, 1944 | DH |
4.3702 | 291.0 | Gibson and Giauque, 1923 | DH |
4.369 | 293. | Acree, 1991 | AC |
4.4159 | 291.75 | Volmer and Marder, 1931 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
15.0 | 292. | Yoshida, 1944 | DH |
15.0 | 291.0 | Gibson and Giauque, 1923 | DH |
Gas phase ion energetics data
Go To: Top, Phase change data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 209.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 196. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
>200.9 | Bouchoux, Buisson, et al., 2003 | MM |
>199.8 | Bouchoux, Buisson, et al., 2003 | MM |
>202.8 ± 0.29 | Bouchoux, Buisson, et al., 2003 | MM |
Gas basicity at 298K
Gas basicity (review) (kcal/mol) | Reference | Comment |
---|---|---|
193.6 | Bouchoux, Buisson, et al., 2003 | MM |
192.5 | Bouchoux, Buisson, et al., 2003 | MM |
195.7 ± 0.1 | Bouchoux, Buisson, et al., 2003 | MM |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R.,
Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases,
J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]
Gibson and Giauque, 1923
Gibson, G.E.; Giauque, W.F.,
The third law of thermodynamics. Evidence from the specific heats of glycerol that the entropy of a glass exceeds that of a crystal at the absolute zero,
J. Am. Chem. Soc., 1923, 45, 93-104. [all data]
Nikitin, Pavlov, et al., 1993
Nikitin, E.D.; Pavlov, P.A.; Skripov, P.V.,
Measurement of the critical properties of thermally unstable substances and mixtures by the pulse-heating method,
J. Chem. Thermodyn., 1993, 25, 869-80. [all data]
Bastos, Nilsson, et al., 1988
Bastos, M.; Nilsson, S-O.; Ribeiro Da Silva, M.D.M.C.; Ribeiro Da Silva, M.A.V.; Wadso, I.,
Thermodynamic properties of glycerol enthalpies of combustion and vaporization and the heat capacity at 298.15 K. Enthalpies of solution in water at 288.15, 298.15, and 308.15 K,
J. Chem. Thermodyn., 1988, 20, 1353-1359. [all data]
Ross and Heideger, 1962
Ross, G.R.; Heideger, W.J.,
Vapor pressure of glycerol,
J. Chem. Eng. Data, 1962, 7, 505-507. [all data]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Dykyj, 1970
Dykyj, J.,
Petrochemica, 1970, 10, 2, 51. [all data]
Cammenga, Schulze, et al., 1977
Cammenga, Heiko K.; Schulze, Friedrich W.; Theuerl, Wilhelm,
Vapor pressure and evaporation coefficient of glycerol,
J. Chem. Eng. Data, 1977, 22, 2, 131-134, https://doi.org/10.1021/je60073a004
. [all data]
Nováková and Novák, 1977
Nováková, N.; Novák, J.,
Measurement of heats of vaporization by means of a gas chromatograph,
Journal of Chromatography A, 1977, 135, 1, 13-24, https://doi.org/10.1016/S0021-9673(00)86297-4
. [all data]
McFeely and Somorjai, 1972
McFeely, F.R.; Somorjai, G.A.,
Vaporization kinetics of hydrogen-bonded liquids,
J. Phys. Chem., 1972, 76, 6, 914-918, https://doi.org/10.1021/j100650a022
. [all data]
Richardson, 1886
Richardson, Arthur,
LXXIII.?Determinations of vapour-pressures of alcohols and organic acids, and the relations existing between the vapour-pressures of the alcohols and organic acids,
J. Chem. Soc., Trans., 1886, 49, 761, https://doi.org/10.1039/ct8864900761
. [all data]
Richardson, 1886, 2
Richardson, A.,
LXXIII. Determinations of Vapour-Pressures of Alcohols and Organic Acids, and the Relations Existing Between the Vapour-Pressures of the Alcohols and Organic Acids,
J. Chem. Soc., 1886, 49, 761-776, https://doi.org/10.1039/ct8864900761
. [all data]
Yoshida, 1944
Yoshida, U.,
Structural relaxation of amorphous solids and the cybotactic structure of super-cooled liquids,
Mem. Coll. Sci. Kyoto Imp. Univ., 1944, 24A, 135-148. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Volmer and Marder, 1931
Volmer, M.; Marder, M.,
Zur theorie der linearen kristallistionsgeschwindigkeit unterkuhlter schmelzen und unterkuhlter fester modifikationen,
Z. Physik. Chem., 1931, 154A, 97-112. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Bouchoux, Buisson, et al., 2003
Bouchoux, G.; Buisson, D.A.; Bourcier, S.; Sablier, M.,
Application of the kinetic method to bifunctional bases. ESI tandem quadrupole experiments,
Int. J. Mass Spectrom., 2003, 228, 1035. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
Pc Critical pressure Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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