Ethyl 4-(4-fluorophenyl)-2-propyl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxylate

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

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  5.59

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  539.22  (Adapted Stein & Brown method)
    Melting Pt (deg C):  230.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.68E-011  (Modified Grain method)
    Subcooled liquid VP: 2.75E-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):  0.06935
       log Kow used: 5.59 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.94807 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.86E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.209E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.59  (KowWin est)
  Log Kaw used:  -9.932  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.522
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.3027
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9590  (months      )
   Biowin4 (Primary Survey Model) :   3.4343  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0082
   Biowin6 (MITI Non-Linear Model):   0.0002
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0814
 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):  3.67E-007 Pa (2.75E-009 mm Hg)
  Log Koa (Koawin est  ): 15.522
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.18 
       Octanol/air (Koa) model:  817 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 232.1057 E-12 cm3/molecule-sec
      Half-Life =     0.046 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.553 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   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    :  2.985E+005
      Log Koc:  5.475 

 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 = 3.602 (BCF = 4004)
       log Kow used: 5.59 (estimated)

 Volatilization from Water:
    Henry LC:  2.86E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.988E+008  hours   (1.662E+007 days)
    Half-Life from Model Lake :  4.35E+009  hours   (1.813E+008 days)

 Removal In Wastewater Treatment:
    Total removal:              89.31  percent
    Total biodegradation:        0.75  percent
    Total sludge adsorption:    88.56  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       0.00321         0.852        1000       
   Water     3.99            1.44e+003    1000       
   Soil      55.6            2.88e+003    1000       
   Sediment  40.4            1.3e+004     0          
     Persistence Time: 4.02e+003 hr