Glycine
- Formula: C2H5NO2
- Molecular weight: 75.0666
- IUPAC Standard InChIKey: DHMQDGOQFOQNFH-UHFFFAOYSA-N
- CAS Registry Number: 56-40-6
- Chemical structure:
This structure is also available as a 2d Mol file - Species with the same structure:
- Other names: Acetic acid, amino-; Aciport; Aminoacetic acid; Aminoethanoic acid; Glicoamin; Glycocoll; Glycolixir; Glycosthene; Padil; NH2CH2COOH; Amitone; Glycine, non-medical; Hampshire glycine; Athenon; Gly; Glycine, free base; Gyn-hydralin; 2-Aminoacetic acid; NSC 25936; Corilin (Salt/Mix)
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Phase change data
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔsubH° | 138.1 ± 4.6 | kJ/mol | C | Ngauv, Sabbah, et al., 1977 | ALS |
ΔsubH° | 138.1 ± 4.6 | kJ/mol | C | Nguon Ngauv, Sabbah, et al., 1977 | Based on data from 413. to 450. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
137. ± 2. | 419. | TE,ME | de Kruif, Voogd, et al., 1979 | Based on data from 408. to 431. K.; AC |
136. ± 0.4 | 455. | V | Svec and Clyde, 1965 | ALS |
136.4 ± 4.0 | 462. | ME | Svec and Clyde, 1965, 2 | Based on data from 453. to 471. K. See also Cox and Pilcher, 1970, Clyde and Svec, 1964, and Chiarelli and Gross, 1989.; AC |
131. ± 2. | 414. | ME | Takagi, Chihara, et al., 1959 | Based on data from 412. to 417. K.; AC |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ngauv, Sabbah, et al., 1977
Ngauv, S.N.; Sabbah, R.; Laffitte, M.,
Thermodynamique de composes azotes. III. Etude thermochimique de la glycine et de la l-α-alanine,
Thermochim. Acta, 1977, 20, 371-380. [all data]
Nguon Ngauv, Sabbah, et al., 1977
Nguon Ngauv, Song; Sabbah, Raphael; Laffitie, Marc,
Thermodynamique de composes azotes III. Etude Thermochimique de la glycine et de la l-α-alanine,
Thermochimica Acta, 1977, 20, 3, 371-380, https://doi.org/10.1016/0040-6031(77)85091-0
. [all data]
de Kruif, Voogd, et al., 1979
de Kruif, C.G.; Voogd, J.; Offringa, J.C.A.,
Enthalpies of sublimation and vapour pressures of 14 amino acids and peptides,
The Journal of Chemical Thermodynamics, 1979, 11, 7, 651-656, https://doi.org/10.1016/0021-9614(79)90030-2
. [all data]
Svec and Clyde, 1965
Svec, H.J.; Clyde, D.D.,
Vapor pressures of some α-amino acids,
J. Chem. Eng. Data, 1965, 10, 151. [all data]
Svec and Clyde, 1965, 2
Svec, H.J.; Clyde, D.D.,
Vapor Pressures of Some α-Amino Acids.,
J. Chem. Eng. Data, 1965, 10, 2, 151-152, https://doi.org/10.1021/je60025a024
. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Clyde and Svec, 1964
Clyde, D.D.; Svec, H.,
, U. S. Atomic Energy Comm. IS-790, 1964, 1. [all data]
Chiarelli and Gross, 1989
Chiarelli, M. Paul.; Gross, Michael L.,
Amino acid and tripeptide mixture analysis by laser desorption Fourier-transform mass spectrometry,
Anal. Chem., 1989, 61, 17, 1895-1900, https://doi.org/10.1021/ac00192a023
. [all data]
Takagi, Chihara, et al., 1959
Takagi, Sadao; Chihara, Hideaki; Seki, Syûzô,
Vapor Pressure of Molecular Crystals. XIII. Vapor Pressure of α-Glycine Crystal. The Energy of Proton Transfer,
Bull. Chem. Soc. Jpn., 1959, 32, 1, 84-88, https://doi.org/10.1246/bcsj.32.84
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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