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2,4-Dimethoxypyrimidine


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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltavap48. ± 3.kJ/molVBeak and White, 1982 

Reaction thermochemistry 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: 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

2,4-Dimethoxypyrimidine = 2,4(1H,3H)-Pyrimidinedione, 1,3-dimethyl-

By formula: C6H8N2O2 = C6H8N2O2

Quantity Value Units Method Reference Comment
Deltar-180. ± 13.kJ/molCisoBeak and White, 1982liquid phase
Deltar-160. ± 20.kJ/molCisoBeak and White, 1982gas phase

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-IW-7193
NIST MS number 237582

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UV/Visible spectrum

Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: 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. 18938
Instrument SF-16
Boiling point 114.5-115.5/ 50 mm

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.

Beak and White, 1982
Beak, P.; White, J.M., Relative enthalpies of 1,3-dimethyl-2,4-pyrimidinedione, 2,4-dimethoxypyrimidine, and 4-methoxy-1-methyl-2-pyrimidinone: estimation of the relative stabilities of two protomers of uracil, J. Am. Chem. Soc., 1982, 104, 7073-7077. [all data]

(editor), 1975
(editor), Koptyug V.A., Atlas of Spectra of Aromatic and Heterocyclic Compounds, 1975, 8, 86. [all data]


Notes

Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), UV/Visible spectrum, References