Hexobarbital
- Formula: C12H16N2O3
- Molecular weight: 236.2670
- IUPAC Standard InChIKey: UYXAWHWODHRRMR-UHFFFAOYSA-N
- 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
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Phase change data
Go To: Top, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 418. | K | N/A | Kuffner, Bush, et al., 1957 | Uncertainty assigned by TRC = 4. K; not clear that this was measured by author |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, UV/Visible spectrum, Gas Chromatography, 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
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Humboldt-Universitat zu Berlin, Department of Chemistry, Analytical Group |
NIST MS number | 286633 |
UV/Visible spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), Gas Chromatography, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Source | Lang (editor), 1967 |
---|---|
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. 19138 |
Instrument | Zeiss VSU -1 |
Melting point | 146-147 |
Gas Chromatography
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | OV-1 | 200. | 1860. | Berninger and Möller, 1977 | |
Packed | OV-101 | 200. | 1855. | Möller, 1976 | N2, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m |
Packed | OV-101 | 200. | 1860. | Möller, 1976 | N2, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m |
Packed | OV-101 | 200. | 1860. | Möller, 1976 | N2, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m |
Packed | OV-101 | 200. | 1870. | Möller, 1976 | N2, Chromosorb G AW DMCS (80-100 mesh); Column length: 2. m |
Kovats' RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | SE-30 | 1855. | Maurer, 1990 | N2, 100. C @ 3. min, 30. K/min, 310. C @ 5. min |
Capillary | SE-30 | 1843. | Schepers, Wijsbeek, et al., 1982 | 12. m/0.22 mm/0.45 μm, He, 120. C @ 2. min, 8. K/min, 300. C @ 12. min |
Capillary | SE-30 | 1841. | Schepers, Wijsbeek, et al., 1982 | 25. m/0.49 mm/1.14 μm, 100. C @ 2. min, 8. K/min, 275. C @ 15. min |
Kovats' RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Packed | OV-101 | 1870. | McLinden and Stenhouse, 1979 | N2, Chromosorb W; Column length: 2. m; Program: not specified |
Packed | OV-1 | 1870. | Berninger, Grunnagel, et al., 1975 | N2, Chromosorb G, AW-DMCS; Column length: 2. m; Program: not specified |
Packed | OV-1 | 1870. | Berninger, Grunnagel, et al., 1975 | N2, Chromosorb G, AW-DMCS; Column length: 2. m; Program: not specified |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | VF-5MS | 1904.3 | Tretyakov, 2014 | 30. m/0.25 mm/0.25 μm, He; Tstart: 60. C; Tend: 270. C |
Capillary | SPB-1 | 1862. | Christ, Noomano, et al., 1988 | 30. m/0.75 mm/1.0 μm, He, 10. K/min, 280. C @ 12. min; Tstart: 160. C |
Capillary | CBP-1 | 1817. | Oyama, Sano, et al., 1987 | N2, 6. K/min; Column length: 12. m; Column diameter: 0.53 mm; Tstart: 120. C; Tend: 250. C |
Capillary | DB-1 | 1831. | Perrigo, Peel, et al., 1985 | 15. m/0.32 mm/0.25 μm, He, 8. K/min, 280. C @ 5. min; Tstart: 120. C |
Capillary | DB-1 | 1831. | Perrigo, Ballantyne, et al., 1984 | 15. m/0.25 mm/0.25 μm, He, 8. K/min, 280. C @ 5. min; Tstart: 120. C |
Packed | SE-30 | 1850. | Perrigo and Peel, 1981 | N2, Chromosorb W, 130. C @ 2. min, 8. K/min, 290. C @ 8. min; Column length: 1.8 m |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | OV-101 | 180. | 1840. | Dubsky, Hána, et al., 1978 | Nitrogen, Chromosorb G (100-120 mesh); Column length: 2. m |
Packed | OV-101 | 200. | 1853. | Dubsky, Hána, et al., 1978 | Nitrogen, Chromosorb G (100-120 mesh); Column length: 2. m |
Packed | OV-101 | 200. | 1860. | Dubsky, Hána, et al., 1978 | Nitrogen, Chromosorb G (100-120 mesh); Column length: 2. m |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 1820. | Anderson and Fuller, 1987 | 10. m/0.53 mm/2.65 μm, He, 5. K/min; Tstart: 130. C; Tend: 230. C |
Capillary | DB-1 | 1839. | Sharp, 1987 | 15. m/0.25 mm/0.25 μm, He, 130. C @ 1. min, 10. K/min, 290. C @ 10. min |
Packed | OV-1 | 1860. | Marozzi, Gambaro, et al., 1982 | Gas Chrom P, 2.5 K/min; Column length: 2. m; Tstart: 120. C; Tend: 200. C |
Packed | SE-30 | 1845. | Marozzi, Gambaro, et al., 1982 | Gas Chrom P, 2.5 K/min; Column length: 2. m; Tstart: 120. C; Tend: 200. C |
Packed | SE-30 | 1850. | Peel and Perrigo, 1976 | Nitrogen, Chromosorb W AW DMS (80-100 mesh), 130. C @ 2. min, 8. K/min, 290. C @ 8. min; Column length: 2. m |
Packed | SE-30 | 1850. | Peel and Perrigo, 1975 | N2, Chromosorb W AW DMS, 130. C @ 2. min, 8. K/min, 290. C @ 8. min; Column length: 2. m |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Other | Methyl Silicone | 1857. | Ardrey and Moffat, 1981 | Program: not specified |
Packed | OV-101 | 1851. | Dubsky, Hána, et al., 1978 | Nitrogen, Chromosorb G (100-120 mesh); Column length: 2. m; Program: not specified |
Packed | OV-101 | 1850. | Dubsky, Hána, et al., 1978 | Nitrogen, Chromosorb G (100-120 mesh); Column length: 2. m; Program: not specified |
References
Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, 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]
Berninger and Möller, 1977
Berninger, H.; Möller, M.R.,
Retentionsindices zur gaschromatographischen Identifizierung von Arzneimitteln,
Arch. Toxicol., 1977, 37, 4, 295-305, https://doi.org/10.1007/BF00330821
. [all data]
Möller, 1976
Möller, M.R.,
Comparability of retention indices of polar substances at elevated temperatures,
Chromatographia, 1976, 9, 7, 311-314, https://doi.org/10.1007/BF02268832
. [all data]
Maurer, 1990
Maurer, H.H.,
Identification and differentiation of barbiturates, other sedative-hypnotics and their metabolites in urine integrated in a general screening procedure using computerized gas chromatography-mass spectrometry,
J. Chromatogr., 1990, 530, 307-326, https://doi.org/10.1016/S0378-4347(00)82334-8
. [all data]
Schepers, Wijsbeek, et al., 1982
Schepers, P.; Wijsbeek, J.; Franke, J.P.; de Zeeuw, R.A.,
Applicability of capillary gas chromatography to substance identification in toxicology by means of retention indices,
J. Forensic Sci., 1982, 27, 1, 49-60. [all data]
McLinden and Stenhouse, 1979
McLinden, V.J.; Stenhouse, A.M.,
A chromatography system for drug identification,
Forensic Sci. Int., 1979, 13, 71-79, https://doi.org/10.1016/0379-0738(79)90265-2
. [all data]
Berninger, Grunnagel, et al., 1975
Berninger, H.; Grunnagel, R.; Mall, S.; Moller, M.R.,
Gas chromatographic identification of unknown substances from body fluids by menas of retention indices,
Beitr. Gerichtl. Med., 1975, 33, 185-191. [all data]
Tretyakov, 2014
Tretyakov, K.V.,
Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]
Christ, Noomano, et al., 1988
Christ, D.W.; Noomano, P.; Rosas, M.; Rhone, D.,
Retention indices by wide-bore capillary gas chromatography with nitrogen-phosphorus detection,
J. Anal. Toxicol., 1988, 12, 2, 84-88, https://doi.org/10.1093/jat/12.2.84
. [all data]
Oyama, Sano, et al., 1987
Oyama, N.; Sano, T.; Syoyama, M.; Maeda, K.,
Studies on systematic analysis of poisonous compounds in forensic chemistry. II. Application of capillary column gas chromatography to substance identification by means of retention indices,
Eisei Kagaku, 1987, 33, 5, 342-348, https://doi.org/10.1248/jhs1956.33.342
. [all data]
Perrigo, Peel, et al., 1985
Perrigo, B.J.; Peel, H.W.; Ballantyne, D.J.,
Use of Dual-Column Fused-Silica Capillary Gas Chromatography in Combination with Detector Response Factors for Analytical Toxicology.,
J. Chromatogr., 1985, 341, 81-88, https://doi.org/10.1016/S0378-4347(00)84011-6
. [all data]
Perrigo, Ballantyne, et al., 1984
Perrigo, B.J.; Ballantyne, D.J.; Peel, H.W.,
Condierations in developing a data base for drugs on a DBI capillary column,
J. Can. Soc. Forensic Sci., 1984, 17, 2, 41-49, https://doi.org/10.1080/00085030.1984.10757360
. [all data]
Perrigo and Peel, 1981
Perrigo, B.J.; Peel, H.W.,
The use of retention indices and temperature-programmed gas chromatography in analytical toxicology,
J. Chromatogr. Sci., 1981, 19, 5, 219-226, https://doi.org/10.1093/chromsci/19.5.219
. [all data]
Dubsky, Hána, et al., 1978
Dubsky, H.; Hána, K.; Komárková, M.; Rittich, B.,
Pouzití kovatsovych indexu pri toxikologickych analysách,
Chem. Listy, 1978, 72, 980-984. [all data]
Anderson and Fuller, 1987
Anderson, W.H.; Fuller, D.C.,
A simplified procedure for the isolation, characterization, and identification of weak acid and neutral drugs from whole blood,
J. Anal. Toxicol., 1987, 11, 5, 198-204, https://doi.org/10.1093/jat/11.5.198
. [all data]
Sharp, 1987
Sharp, M.E.,
A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography,
J. Anal. Toxicol., 1987, 11, 1, 8-11, https://doi.org/10.1093/jat/11.1.8
. [all data]
Marozzi, Gambaro, et al., 1982
Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F.,
Use of the retention index in gas chromatographic studies of drugs,
J. Anal. Toxicol., 1982, 6, 4, 185-192, https://doi.org/10.1093/jat/6.4.185
. [all data]
Peel and Perrigo, 1976
Peel, H.W.; Perrigo, B.,
A practical gas chromatographic screening procedure for toxicological analysis,
Can. Soc. Forens. Sci. J., 1976, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247
. [all data]
Peel and Perrigo, 1975
Peel, H.W.; Perrigo, B.,
A practical gas chromatographic screening procedure for toxicological analysis,
Can.Soc.Forens.Sci.J., 1975, 9, 2, 69-74, https://doi.org/10.1080/00085030.1976.10757247
. [all data]
Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C.,
Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase,
J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1
. [all data]
Notes
Go To: Top, Phase change data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References
- Symbols used in this document:
Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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