2-Amino-2-methyl-1,3-propanediol
- Formula: C4H11NO2
- Molecular weight: 105.1356
- IUPAC Standard InChIKey: UXFQFBNBSPQBJW-UHFFFAOYSA-N
- CAS Registry Number: 115-69-5
- 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: AMPD; 2-Amino-2-methylpropan-1,3-diol; 2-Amino-2-methylpropane-1,3-diol; 1,3-Propanediol, 2-amino-2-methyl-; Aminoglycol; Gentimon; Isobutandiol-2-amine; 1,1-Di(hydroxymethyl)ethylamine; 1,3-Dihydroxy-2-methyl-2-propylamine; 1,3-Dihydroxy-2-amino-2-methylpropane; NSC 6364
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Phase change data
Go To: Top, 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 384. | K | N/A | Murrill and Breed, 1970 | Crystal phase 1 phase; Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 384.08 | K | N/A | Zhang and Yang, 1990 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.05 K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
424.7 | 0.013 | Weast and Grasselli, 1989 | BS |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
0.660 | 384.1 | DSC | Divi, Chellappa, et al., 2006 | AC |
0.715 | 384. | N/A | Domalski and Hearing, 1996 | See also López, Van Braak, et al., 1994.; AC |
0.664 | 384.1 | AC | Zhang and Yang, 1990, 2 | Based on data from 283. to 393. K.; AC |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
17.12 | 352. | Domalski and Hearing, 1996 | CAL |
1.86 | 384. |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
16.79 | 351.3 | Donnelly, Drewes, et al., 1990 | CAL |
1.70 | 383.6 |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
3.387 | 352.9 | Zhang and Yang, 1990 | CAL |
12.47 | 353.7 | ||
1.73 | 384.1 |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
6.0241 | 352. | crystaline, II | crystaline, I | Murrill and Breed, 1970, 2 | DH |
0.7149 | 384. | crystaline, I | liquid | Murrill and Breed, 1970, 2 | DH |
5.8987 | 351.25 | crystaline, II | crystaline, I | Barrio, Font, et al., 1991 | DH |
0.6527 | 383.55 | crystaline, I | liquid | Barrio, Font, et al., 1991 | DH |
5.8987 | 351.25 | crystaline, II | crystaline, I | Barrio, Font, et al., 1991 | DH |
0.6527 | 383.55 | crystaline, I | liquid | Barrio, Font, et al., 1991 | DH |
1.195 | 352.89 | crystaline, III | crystaline, II | Zhang and Yang, 1990, 2 | DH |
4.4120 | 353.72 | crystaline, II | crystaline, I | Zhang and Yang, 1990, 2 | DH |
0.6644 | 384.08 | crystaline, I | liquid | Zhang and Yang, 1990, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
17.2 | 352. | crystaline, II | crystaline, I | Murrill and Breed, 1970, 2 | DH |
1.9 | 384. | crystaline, I | liquid | Murrill and Breed, 1970, 2 | DH |
3.39 | 352.89 | crystaline, III | crystaline, II | Zhang and Yang, 1990, 2 | DH |
12.5 | 353.72 | crystaline, II | crystaline, I | Zhang and Yang, 1990, 2 | DH |
1.73 | 384.08 | crystaline, I | liquid | Zhang and Yang, 1990, 2 | DH |
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.
Murrill and Breed, 1970
Murrill, E.; Breed, L.W.,
Solid-solid phase transitions determined by differential scanning calorime- try. Part I. Tetrahedral Substances.,
Thermochim. Acta, 1970, 1, 239. [all data]
Zhang and Yang, 1990
Zhang, Z.; Yang, M.L.,
Heat capacity and phase transition of 2-amino-2-methyl-1,3-propanediol from 280 K to the melting point,
Thermochim. Acta, 1990, 169, 263, https://doi.org/10.1016/0040-6031(90)80153-P
. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]
Divi, Chellappa, et al., 2006
Divi, Suresh; Chellappa, Raja; Chandra, Dhanesh,
Heat capacity measurement of organic thermal energy storage materials,
The Journal of Chemical Thermodynamics, 2006, 38, 11, 1312-1326, https://doi.org/10.1016/j.jct.2006.02.005
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
López, Van Braak, et al., 1994
López, D.O.; Van Braak, J.; Tamarit, J.L.L.; Oonk, H.A.J.,
Thermodynamic phase diagram analysis of three binary systems shared by five neopentane derivatives,
Calphad, 1994, 18, 4, 387-396, https://doi.org/10.1016/0364-5916(94)90016-7
. [all data]
Zhang and Yang, 1990, 2
Zhang, Z.Y.; Yang, M.L.,
Heat capactiy and phase transition of 2-amino-2-methyl-1,3-propanediol from 280K to the melting point,
Thermochim. Acta, 1990, 169, 263-269. [all data]
Donnelly, Drewes, et al., 1990
Donnelly, J.R.; Drewes, L.A.; Johnson, R.L.; Munslow, W.D.; Knapp, K.K.; Sovocool, G.W.,
Purity and heat of fusion data for environmental standards as determined by differential scanning calorimetry,
Thermochim. Acta, 1990, 167, 2, 155, https://doi.org/10.1016/0040-6031(90)80476-F
. [all data]
Murrill and Breed, 1970, 2
Murrill, E.; Breed, L.,
Solid-solid phase transitions determined by differential scanning calorimetry,
Thermochim. Acta, 1970, 1, 239-246. [all data]
Barrio, Font, et al., 1991
Barrio, M.; Font, J.; Lopez, D.O.; Muntasell, J.; Tamarit, J.L.,
Polymorphism in the 2-amino-2-methyl-1,3-propanediol plastic crystal,
Calorim. Anal. Therm., 1991, 22, 291-297. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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