Pyrimidine, 4,6-dimethyl-

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tboil427.2KN/AAldrich Chemical Company Inc., 1990BS
Tboil432.KN/AHauser and Manyik, 1953Uncertainty assigned by TRC = 6. K; TRC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
432.70.992Weast and Grasselli, 1989BS

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Gas phase ion energetics 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: Michael M. Meot-Ner (Mautner)

View reactions leading to C6H8N2+ (ion structure unspecified)

Proton affinity at 298K

Proton affinity (kcal/mol) Reference
222. ± 0.2Thomas and Morrison, 2000

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-5646
NIST MS number 235177

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source (editor), 1975
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 18937
Instrument SF-16
Boiling point 159-160

Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax1363.Shimoda, Peralta, et al., 199660. 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

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Column type Active phase I Reference Comment
CapillaryInnowax1381.Ito and Mori, 200430. 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

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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]

(editor), 1975
(editor), Koptyug V.A., Atlas of Spectra of Aromatic and Heterocyclic Compounds, 1975, 8, 152. [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

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