ChemSpider 2D Image | tetrabarbital | C12H20N2O3

tetrabarbital

  • Molecular FormulaC12H20N2O3
  • Average mass240.299 Da
  • Monoisotopic mass240.147400 Da
  • ChemSpider ID91745

More details:

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

2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-ethyl-5-(1-ethylbutyl)- [ACD/Index Name]
200-946-6 [EINECS]
3K441526FO
5-Ethyl-5-(1-ethylbutyl)-2,4,6(1H,3H,5H)-pyrimidinetrione
5-Ethyl-5-(1-ethylbutyl)malonylurea
5-Ethyl-5-(3-hexanyl)-2,4,6(1H,3H,5H)-pyrimidinetrione [ACD/IUPAC Name]
5-Éthyl-5-(3-hexanyl)-2,4,6(1H,3H,5H)-pyrimidinetrione [French] [ACD/IUPAC Name]
5-Ethyl-5-(3-hexanyl)-2,4,6(1H,3H,5H)-pyrimidintrion [German] [ACD/IUPAC Name]
76-23-3 [RN]
Butysal
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

364 [DBID]
JL 991 [DBID]
IL 991 [DBID]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.1±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.466
Molar Refractivity: 62.5±0.3 cm3
#H bond acceptors: 5
#H bond donors: 2
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.58
ACD/LogD (pH 5.5): 2.31
ACD/BCF (pH 5.5): 33.75
ACD/KOC (pH 5.5): 431.63
ACD/LogD (pH 7.4): 2.20
ACD/BCF (pH 7.4): 26.23
ACD/KOC (pH 7.4): 335.46
Polar Surface Area: 75 Å2
Polarizability: 24.8±0.5 10-24cm3
Surface Tension: 34.6±3.0 dyne/cm
Molar Volume: 225.6±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) =  2.50

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  547.27  (Adapted Stein & Brown method)
    Melting Pt (deg C):  234.68  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.86E-010  (Modified Grain method)
    MP  (exp database):  122 deg C
    Subcooled liquid VP: 1.71E-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):  197.8
       log Kow used: 2.50 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  208.12 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.12E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.973E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.50  (KowWin est)
  Log Kaw used:  -10.339  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.839
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4492
   Biowin2 (Non-Linear Model)     :   0.1065
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4560  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3476  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2131
   Biowin6 (MITI Non-Linear Model):   0.0882
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2012
 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):  2.28E-007 Pa (1.71E-009 mm Hg)
  Log Koa (Koawin est  ): 12.839
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  13.2 
       Octanol/air (Koa) model:  1.69 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  0.993 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.3017 E-12 cm3/molecule-sec
      Half-Life =     0.502 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.025 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  221.1
      Log Koc:  2.345 

 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 = 1.221 (BCF = 16.65)
       log Kow used: 2.50 (estimated)

 Volatilization from Water:
    Henry LC:  1.12E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 8.104E+008  hours   (3.376E+007 days)
    Half-Life from Model Lake :  8.84E+009  hours   (3.683E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               3.10  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.99  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       0.000387        12.1         1000       
   Water     16              900          1000       
   Soil      83.8            1.8e+003     1000       
   Sediment  0.131           8.1e+003     0          
     Persistence Time: 1.65e+003 hr

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