Hexobarbital

• Formula: C₁₂H₁₆N₂O₃
• Molecular weight: 236.2670
• IUPAC Standard InChI: InChI=1S/C12H16N2O3/c1-12(8-6-4-3-5-7-8)9(15)13-11(17)14(2)10(12)16/h6H,3-5,7H2,1-2H3,(H,13,15,17) Copy

  
• IUPAC Standard InChIKey: UYXAWHWODHRRMR-UHFFFAOYSA-N Copy
• CAS Registry Number: 56-29-1
• 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: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(1-cyclohexen-1-yl)-1,5-dimethyl-; Barbituric acid, 5-(1-cyclohexen-1-yl)-1,5-dimethyl-; Barbidorm; Citodon; Citopan; Cyclonal; Cyclopan; Dorico; Enhexymal; Evipal; Evipan; Hexabarbital; Hexanastab oral; Hexenal (barbiturate); Hexobarbitone; Methexenyl; Methylhexabital; Narcosan; Noctivane; Sombulex; Somnalert; 1,5-Dimethyl-5-(1-cyclohexenyl)barbituric acid; Hexenal; Methylhexabarbital; N-Methyl-5-cyclohexenyl-5-methylbarbituric acid; Sombucaps; 5-(δ-1,2-cyclohexenyl)-5-methyl-N-methyl-barbitursaeure; 5-(1-Cyclohexen-1-yl)-1,5-dimethylbarbituric acid; 5-(1-Cyclohexenyl-1)-1-methyl-5-methylbarbituric acid; 5-(1-Cyclohexen-1-yl)-1,5-dimethyl-2,4,6(1H,3H,5H)-pyrimidinetrione; Esobarbitale; 5-(Cyclohexen-1-yl)-1,5-dimethylbarbitursaeure; 5-(Cyclohexen-1-yl)-1,5-dimethylbarbituric acid; NSC 71929; 630-97-7; 7200-11-5
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • IR Spectrum
  • UV/Visible spectrum
  • References
  • Notes
• Other data available:
  • Mass spectrum (electron ionization)
  • Gas Chromatography
• Options:
  • Switch to calorie-based units

Data at NIST subscription sites:

• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.

Phase change data

Go To: Top, IR Spectrum, UV/Visible spectrum, 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

IR Spectrum

Go To: Top, Phase change data, UV/Visible spectrum, 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

Gas Phase Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

UV/Visible spectrum

Go To: Top, Phase change data, IR Spectrum, 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

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

For Zoom

1.) Enter the desired X axis range (e.g., 100, 200)

2.) Check here for automatic Y scaling

3.) Press here to zoom

Additional Data

References

Go To: Top, Phase change data, IR Spectrum, UV/Visible spectrum, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Kuffner, Bush, et al., 1957
Kuffner, R.J.; Bush, M.T.; Bircher, L.J., Studies on the surface tension of aqueous barbituric acid solutions, J. Am. Chem. Soc., 1957, 79, 1587-1589. [all data]

Lang (editor), 1967
Lang (editor), L., Absorption Spectra in the Ultraviolet and Visible Region, 1967, 8, 281. [all data]

Notes

Go To: Top, Phase change data, IR Spectrum, UV/Visible spectrum, References

• Symbols used in this document:
  

  Tfus	Fusion (melting) point

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.