1,3,5-Triazine-2,4,6-triamine
- Formula: C3H6N6
- Molecular weight: 126.1199
- IUPAC Standard InChI: InChI=1S/C3H6N6/c4-1-7-2(5)9-3(6)8-1/h(H6,4,5,6,7,8,9)
- IUPAC Standard InChIKey: JDSHMPZPIAZGSV-UHFFFAOYSA-N
- CAS Registry Number: 108-78-1
- 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: Melamine; S-Triazinetriamine; Cyanuramide; Cyanurotriamide; Cyanurotriamine; Hicophor PR; Isomelamine; Teoharn; Theoharn; Virset 656-4; 1,3,5-Triazine-2,4,6(1H,3H,5H)-triimine; 2,4,6-Triamino-s-triazine; 2,4,6-Triamino-1,3,5-triazine; 2,4,6-Triaminotriazine; s-Triazine, 2,4,6-triamino-; NCI-C50715; Aero; Cyanuric triamide; Cyanurtriamide; Triaminotriazine; s-Triazine, 4,6-diamino-1,2-dihydro-2-imino-; Pluragard C 133; ADK Stab ZS 27; DG 002; DG 002 (amine); Mark ZS 27; NSC 2130; Pluragard; Spinflam ML 94M; Yukamelamine; ZS 27
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Phase change data
Go To: Top, Reaction thermochemistry 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:
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° | 120. ± 4. | kJ/mol | V | Hirt, Steger, et al., 1960 | ALS |
Enthalpy of sublimation
| ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 123.3 | 432. | A | Stephenson and Malanowski, 1987 | Based on data from 417. to 447. K.; AC |
| 121.3 ± 4.2 | 515. | GS | Hirt, Steger, et al., 1960 | Based on data from 417. to 614. K. See also Cox and Pilcher, 1970.; AC |
Reaction thermochemistry 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 compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
6 =
+ 3
+ 6
By formula: 6CH4N2O = C3H6N6 + 3CO2 + 6H3N
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 469.4 | kJ/mol | Eqk | Rukevich and Zagranichnyi, 1971 | liquid phase |
References
Go To: Top, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Hirt, Steger, et al., 1960
Hirt, R.C.; Steger, J.E.; Simard, G.L.,
Vapor pressure of 2,4,6-triamino-s-triazine (melamine),
J. Polym. Sci., 1960, 43, 319-323. [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]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Rukevich and Zagranichnyi, 1971
Rukevich, O.S.; Zagranichnyi, V.I.,
Equilibrium in the reaction of melamine formation from urea,
J. Anal. Chem. USSR, 1971, 44, 1616-1620. [all data]
Notes
Go To: Top, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions 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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