Pyrimidine, 4,6-dimethyl-
- Formula: C6H8N2
- Molecular weight: 108.1411
- IUPAC Standard InChIKey: LSBIUXKNVUBKRI-UHFFFAOYSA-N
- CAS Registry Number: 1558-17-4
- 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: 4,6-Dimethylpyrimidine
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Phase change data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 427.2 | K | N/A | Aldrich Chemical Company Inc., 1990 | BS |
Tboil | 432. | K | N/A | Hauser and Manyik, 1953 | Uncertainty assigned by TRC = 6. K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
432.7 | 0.992 | Weast and Grasselli, 1989 | BS |
Gas phase ion energetics data
Go To: Top, Phase change data, Gas Chromatography, 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: Michael M. Meot-Ner (Mautner)
View reactions leading to C6H8N2+ (ion structure unspecified)
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference |
---|---|
222. ± 0.2 | Thomas and Morrison, 2000 |
Gas Chromatography
Go To: Top, Phase change data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Van Den Dool and Kratz RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1363. | Shimoda, Peralta, et al., 1996 | 60. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 50. C; Tend: 230. C |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Innowax | 1381. | Ito and Mori, 2004 | 30. m/0.25 mm/0.50 μm, Helium; Program: 40 0C (2 min) 10 0C/min -> 100 0C 3 0C/min -> 160 0C 5 0C/min -> 260 0C (10 min) |
References
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
Hauser and Manyik, 1953
Hauser, C.R.; Manyik, R.,
Synthesis of 5-Phenyl-4,6-dimethyl-2-pyrimidinol and Derivatives from the Cycliaation of Urea with 3-Phenyl-2,4-Pentanedione,
J. Org. Chem., 1953, 18, 588-93. [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]
Thomas and Morrison, 2000
Thomas, P.D.; Morrison, R.J.S.,
Measurement of the proton affinities of some methyl substituted pyrimidines via the kinetic method on a pentaqudrupole mass spectrometer,
Int. J. Mass Spectrom., 2000, 194, 133. [all data]
Shimoda, Peralta, et al., 1996
Shimoda, M.; Peralta, R.R.; Osajima, Y.,
Headspace gas analysis of fish sauce,
J. Agric. Food Chem., 1996, 44, 11, 3601-3605, https://doi.org/10.1021/jf960345u
. [all data]
Ito and Mori, 2004
Ito, K.; Mori, M.,
Formation of pyrazines in aqueous maltose/glucose/fructose-glutamide model systems upon heating at below 100 0C,
Food Sci. Technol. Res., 2004, 10, 2, 199-204, https://doi.org/10.3136/fstr.10.199
. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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