Murexide
- Formula: C8H8N6O6
- Molecular weight: 284.1857
- IUPAC Standard InChI: InChI=1S/C8H5N5O6.H3N/c14-3-1(4(15)11-7(18)10-3)9-2-5(16)12-8(19)13-6(2)17;/h(H2,10,11,14,15,18)(H3,12,13,16,17,19);1H3
- IUPAC Standard InChIKey: LJYRLGOJYKPILZ-UHFFFAOYSA-N
- CAS Registry Number: 3051-09-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Ammonium purpurate; 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-[(hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-, monoammonium salt; Acid ammonium purpurate; Ammonium salt purpuric acid; Barbituric acid, 5,5'-nitrilodi-, monoammonium salt; 5-[(Hexahydro-2,4,6-trioxo-5-pyrimidinyl)imino]-2,4,6(1H,3H,5H)-pyrimidinetrione monoammonium salt; Naples red; ammonium 5-(2,4,6-trioxoperhydropyrimidin-5-ylideneamino)barbiturate
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Condensed phase 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: Eugene S. Domalski and Elizabeth D. Hearing
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 600. | 300. | Abdel-Kader, Tahoon, et al., 1993 | T = 300 to 550 K. Data given graphically only. Cp value estimated from graph. |
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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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-4871 |
| NIST MS number | 229782 |
References
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Abdel-Kader, Tahoon, et al., 1993
Abdel-Kader, M.M.; Tahoon, K.K.; El-Sharkawy, A.,
Thermophysical properties of ammonium purpurate (murexide) C8H4O6N5NH4,
Phys. Status Solidi, 1993, A 135, 161-168. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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