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ChemSpider 2D Image | butalbital | C11H16N2O3

butalbital

  • Molecular FormulaC11H16N2O3
  • Average mass224.256 Da
  • Monoisotopic mass224.116089 Da
  • ChemSpider ID2387

More details:



Featured data source



Validated by Experts, Validated by Users, Non-Validated, Removed by Users

2(5H)-Pyrimidinone, 4,6-dihydroxy-5-(2-methylpropyl)-5-(2-propen-1-yl)- [ACD/Index Name]
2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-(2-methylpropyl)-5-(2-propen-1-yl)- [ACD/Index Name]
201-017-8 [EINECS]
5-(2-methylpropyl)-5-(prop-2-en-1-yl)pyrimidine-2,4,6(1H,3H,5H)-trione
5-(2-Methylpropyl)-5-prop-2-en-1-ylpyrimidin-2,4,6(1H,3H,5H)-trion
5-(2-methylpropyl)-5-prop-2-en-1-ylpyrimidine-2,4,6(1H,3H,5H)-trione
5-(2-méthylpropyl)-5-prop-2-én-1-ylpyrimidine-2,4,6(1H,3H,5H)-trione
5-Allyl-4,6-dihydroxy-5-isobutyl-2(5H)-pyrimidinon [German] [ACD/IUPAC Name]
5-Allyl-4,6-dihydroxy-5-isobutyl-2(5H)-pyrimidinone [ACD/IUPAC Name]
5-Allyl-4,6-dihydroxy-5-isobutyl-2(5H)-pyrimidinone [French] [ACD/IUPAC Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

202119 [DBID]
KHS0AZ4JVK [DBID]
B6638_SIGMA [DBID]
D03182 [DBID]
DivK1c_000970 [DBID]
IDI1_000970 [DBID]
KBio1_000970 [DBID]
NINDS_000970 [DBID]
PubChem Substance ID 329831176 [DBID]
UNII:KHS0AZ4JVK [DBID]
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  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      1775 (estimated with error: 89) NIST Spectra mainlib_250568, replib_22748, replib_246276, replib_312800, replib_379372
      1690 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Packed; Heat rate: 30 K/min; Start T: 100 C; End T: 310 C; End time: 5 min; Start time: 3 min; CAS no: 77269; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: 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., 530, 1990, 307-326.) NIST Spectra nist ri
      1694 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Start T: 250 C; CAS no: 77269; Active phase: SPB-1; Carrier gas: He; Data type: Kovats RI; Authors: Lora-Tamayo, C.; Rams, M.A.; Chacon, J.M.R., Gas Chromatographic Data for 187 Nitrogen- or Phosphorus-Containing Drugs and Metabolites of Toxicological Interest Analysed on Methyl Silicone Capillary Columns, J. Chromatogr., 374, 1986, 73-85.) NIST Spectra nist ri
      1658 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Packed; Start T: 200 C; CAS no: 77269; Active phase: SE-30; Data type: Kovats RI; Authors: Stead, A.H.; Gill, R.; Evans, A.T.; Moffat, A.C., Predictions of gas chromatographic retention characteristics of barbiturates from molecular structure, J. Chromatogr., 234, 1982, 277-283.) NIST Spectra nist ri
      1684 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Start T: 220 C; CAS no: 77269; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.2 um; Data type: Kovats RI; Authors: Phillips, A.M.; Logan, B.K.; Stafford, D.T., Further applications for capillary gas chromatography in routine quantitative toxicological analyses, J. Hi. Res. Chromatogr., 13, 1990, 754-758.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1642 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; Start T: 100 C; End T: 300 C; CAS no: 77269; Active phase: BP-1; Data type: Normal alkane RI; Authors: MHA, Directorate of ForensicScience., Forensic Toxicology, 9999.) NIST Spectra nist ri
      1670.3 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 30 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 120 C; End T: 280 C; End time: 22 min; Start time: 1 min; CAS no: 77269; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Manca, D.; Ferron, L.; Weber, J-P., A System for Toxicological Screening by Capillary Gas Chromatography with Use of Drug Retention Index Based on Nitrogen-Containing Reference Compounds, Clin. Chem., 35(4), 1989, 601-607.) NIST Spectra nist ri
      1632 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 10 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 130 C; End T: 230 C; CAS no: 77269; Active phase: DB-1; Carrier gas: He; Phase thickness: 2.65 um; Data type: Normal alkane RI; Authors: 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., 11, 1987, 198-204.) NIST Spectra nist ri
      1643 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 15 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 130 C; End T: 290 C; End time: 10 min; Start time: 1 min; CAS no: 77269; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Sharp, M.E., A rapid screening procedure for acidic and neutral drugs in blood by high resolution gas chromatography, J. Anal. Toxicol., 11, 1987, 8-11.) NIST Spectra nist ri
      1685 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 2.5 K/min; Start T: 120 C; End T: 200 C; CAS no: 77269; Active phase: OV-1; Substrate: Gas Chrom P; Data type: Normal alkane RI; Authors: Marozzi, E.; Gambaro, V.; Saligari, E.; Mariani, R.; Lodi, F., Use of the retention index in gas chromatographic studies of drugs, J. Anal. Toxicol., 6, 1982, 185-192.) NIST Spectra nist ri
      1668 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Other; CAS no: 77269; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: 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., 220, 1981, 195-252.) NIST Spectra nist ri
      1665.7 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 10 K/min; Start T: 220 C; End T: 270 C; CAS no: 77269; Active phase: OV-101; Substrate: Chromosorb (100-120 mesh); Data type: Normal alkane RI; Authors: Cailleux, A.; Turcant, A.; Premel-Cabic, A.; Allain, P., Identification and Quantitation of Neutral and Basic Drugs in Blood By Gas Chromatography and Mass Spectrometry, J. Chromatogr. Sci., 19, 1981, 163-176.) NIST Spectra nist ri
      1664 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 12.5 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 110 C; End T: 290 C; End time: 6.5 min; Start time: 1 min; CAS no: 77269; Active phase: Ultra-2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Watts, V.W.; Simonick, T.F., A retention index library for commonly encountered drugs and metabolites using tri-n-alkylamines as reference compounds, nitrogen-phosphorus detectors, and dual capillary chromatography, J. Anal. Toxicol., 11, 1987, 210-214.) NIST Spectra nist ri
      1679 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 1.5 m; Column type: Packed; CAS no: 77269; Active phase: Apolane; Data type: Normal alkane RI; Authors: Huggett, A.; Andrews, P.; Flanagan, R.J., Rapid Micro-Method for the Measurement of Paracetamol in Blood Plasma or Serum Using Gas-Liquid Chromatography with Flame-Ionisation Detection., J. Chromatogr., 209, 1981, 67-76.) NIST Spectra nist ri
    • Retention Index (Linear):

      1674 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.75 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 160 C; End T: 280 C; End time: 12 min; CAS no: 77269; Active phase: SPB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Linear RI; Authors: Christ, D.W.; Noomano, P.; Rosas, M.; Rhone, D., Retention indices by wide-bore capillary gas chromatography with nitrogen-phosphorus detection, J. Anal. Toxicol., 12, 1988, 84-88.) NIST Spectra nist ri
      1634 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.53 mm; Column length: 12 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 120 C; End T: 250 C; CAS no: 77269; Active phase: CBP-1; Carrier gas: N2; Data type: Linear RI; Authors: 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, 33(5), 1987, 342-348.) NIST Spectra nist ri
      1637 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 12 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 50 C; End T: 300 C; End time: 3 min; Start time: 1 min; CAS no: 77269; Active phase: Methyl Silicone; Carrier gas: He; Phase thickness: 0.33 um; Data type: Linear RI; Authors: Newton, B.; Foery, R.F., Retention indices and dual capillary gas chromatography for rapid identification of sedative hypnotic drugs in emergency toxicology, J. Anal. Toxicol., 8, 1984, 129-134.) NIST Spectra nist ri
      1670 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 1.8 m; Column type: Packed; Heat rate: 8 K/min; Start T: 130 C; End T: 290 C; End time: 8 min; Start time: 2 min; CAS no: 77269; Active phase: SE-30; Carrier gas: N2; Substrate: Chromosorb W; Data type: Linear RI; Authors: Perrigo, B.J.; Peel, H.W., The use of retention indices and temperature-programmed gas chromatography in analytical toxicology, J. Chromatogr. Sci., 19, 1981, 219-226.) NIST Spectra nist ri
      1706.1 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: Multi-step temperature program; T(initial)=60C; T(final)=270C; CAS no: 77269; Active phase: VF-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., 2008.) NIST Spectra nist ri
      1684 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 12 m; Column type: Capillary; Heat rate: 20 K/min; Start T: 50 C; End T: 300 C; End time: 3 min; Start time: 1 min; CAS no: 77269; Active phase: 5 % Phenyl methyl siloxane; Carrier gas: He; Phase thickness: 0.33 um; Data type: Linear RI; Authors: Newton, B.; Foery, R.F., Retention indices and dual capillary gas chromatography for rapid identification of sedative hypnotic drugs in emergency toxicology, J. Anal. Toxicol., 8, 1984, 129-134.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.1±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.470
Molar Refractivity: 57.7±0.3 cm3
#H bond acceptors: 5
#H bond donors: 2
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 1.65
ACD/LogD (pH 5.5): 1.66
ACD/BCF (pH 5.5): 10.71
ACD/KOC (pH 5.5): 189.70
ACD/LogD (pH 7.4): 1.51
ACD/BCF (pH 7.4): 7.61
ACD/KOC (pH 7.4): 134.73
Polar Surface Area: 75 Å2
Polarizability: 22.9±0.5 10-24cm3
Surface Tension: 33.4±3.0 dyne/cm
Molar Volume: 206.6±3.0 cm3

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  534.80  (Adapted Stein & Brown method)
    Melting Pt (deg C):  228.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.57E-010  (Modified Grain method)
    MP  (exp database):  138.5 deg C
    Subcooled liquid VP: 3.58E-009 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  829.7
       log Kow used: 1.87 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1700 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  692.04 mg/L
    Wat Sol (Exper. database match) =  1700.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Imides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.29E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.140E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.87  (KowWin est)
  Log Kaw used:  -10.590  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.460
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4569
   Biowin2 (Non-Linear Model)     :   0.1302
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4915  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3707  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1801
   Biowin6 (MITI Non-Linear Model):   0.0650
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0083
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  4.77E-007 Pa (3.58E-009 mm Hg)
  Log Koa (Koawin est  ): 12.460
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.28 
       Octanol/air (Koa) model:  0.708 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.996 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  0.983 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  39.1438 E-12 cm3/molecule-sec
      Half-Life =     0.273 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.279 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.200000 E-17 cm3/molecule-sec
      Half-Life =     0.955 Days (at 7E11 mol/cm3)
      Half-Life =     22.920 Hrs
   Fraction sorbed to airborne particulates (phi): 0.997 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  105.7
      Log Koc:  2.024 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.738 (BCF = 5.474)
       log Kow used: 1.87 (estimated)

 Volatilization from Water:
    Henry LC:  6.29E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.394E+009  hours   (5.808E+007 days)
    Half-Life from Model Lake : 1.521E+010  hours   (6.336E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               2.14  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.05  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.00022         5.1          1000       
   Water     25.5            900          1000       
   Soil      74.4            1.8e+003     1000       
   Sediment  0.0855          8.1e+003     0          
     Persistence Time: 1.35e+003 hr




                    

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