Ethyl 5-oxo-4,5-dihydroimidazo[1,5-a]quinazoline-3-carboxylate

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.96

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  448.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  188.60  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.03E-008  (Modified Grain method)
    Subcooled liquid VP: 5.31E-007 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):  3295
       log Kow used: 0.96 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  20507 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.058E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0094
   Biowin2 (Non-Linear Model)     :   0.9978
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7167  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.9110  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5123
   Biowin6 (MITI Non-Linear Model):   0.3167
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0442
 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):  7.08E-005 Pa (5.31E-007 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0424 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.605 
       Mackay model           :  0.772 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  22.6838 E-12 cm3/molecule-sec
      Half-Life =     0.472 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.658 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.689 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  636.7
      Log Koc:  2.804 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.954E-003  L/mol-sec
  Kb Half-Life at pH 8:      11.238  years  
  Kb Half-Life at pH 7:     112.381  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.96 (estimated)

 Volatilization from Water:
    Henry LC:  1.06E-012 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 8.875E+008  hours   (3.698E+007 days)
    Half-Life from Model Lake : 9.682E+009  hours   (4.034E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.88  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.79  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       4.28e-005       10.6         1000       
   Water     41.1            900          1000       
   Soil      58.8            1.8e+003     1000       
   Sediment  0.086           8.1e+003     0          
     Persistence Time: 1.05e+003 hr