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 Copy

  
• IUPAC Standard InChIKey: LJYRLGOJYKPILZ-UHFFFAOYSA-N Copy
• 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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• Information on this page:
  • Condensed phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
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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

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.

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

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• 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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