4-Amino-2-hydroxy-1-methylpyrimidine
- Formula: C5H7N3O
- Molecular weight: 125.1286
- IUPAC Standard InChI: InChI=1S/C5H9N3O/c1-8-3-2-4(6)7-5(8)9/h2H,3,6H2,1H3,(H,7,9)
- IUPAC Standard InChIKey: LFFRYBLBZIXLJK-UHFFFAOYSA-N
- CAS Registry Number: 1122-47-0
- Chemical structure:
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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 by: William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔsubH° | 35.6 ± 2.2 | kcal/mol | N/A | Burkinshaw and Mortimer, 1984 |
Enthalpy of sublimation
| ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 33.7 ± 0.1 | 455. to 487. | GS | Zielenkiewicz, Wszelaka-Rylik, et al., 1998 | |
| 33.9 ± 2.1 | 433. | ME | Burkinshaw and Mortimer, 1984 | Based on data from 423. to 443. K. |
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.
Burkinshaw and Mortimer, 1984
Burkinshaw, Philip M.; Mortimer, Colin T.,
Enthalpies of sublimation of transition metal complexes,
J. Chem. Soc., Dalton Trans., 1984, 1, 75, https://doi.org/10.1039/dt9840000075
. [all data]
Zielenkiewicz, Wszelaka-Rylik, et al., 1998
Zielenkiewicz, A.; Wszelaka-Rylik, M.; Poznanski, J.; Zielenkiewicz, W.,
Journal of Solution Chemistry, 1998, 27, 3, 235-243, https://doi.org/10.1023/A:1022636218154
. [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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