ethyl 4-oxo-10H-pyrimido[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) =  1.68

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  495.61  (Adapted Stein & Brown method)
    Melting Pt (deg C):  210.55  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.79E-010  (Modified Grain method)
    Subcooled liquid VP: 3.54E-008 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):  789.9
       log Kow used: 1.68 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2352.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.56E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.624E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.68  (KowWin est)
  Log Kaw used:  -13.195  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.875
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7757
   Biowin2 (Non-Linear Model)     :   0.9855
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5817  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.8026  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3484
   Biowin6 (MITI Non-Linear Model):   0.1374
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3466
 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):  4.72E-006 Pa (3.54E-008 mm Hg)
  Log Koa (Koawin est  ): 14.875
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.636 
       Octanol/air (Koa) model:  184 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.958 
       Mackay model           :  0.981 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.3640 E-12 cm3/molecule-sec
      Half-Life =     0.352 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.227 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): 0.969 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  240
      Log Koc:  2.380 

 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 = 0.595 (BCF = 3.933)
       log Kow used: 1.68 (estimated)

 Volatilization from Water:
    Henry LC:  1.56E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  6.02E+011  hours   (2.508E+010 days)
    Half-Life from Model Lake : 6.567E+012  hours   (2.736E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               2.04  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.94  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       6.01e-007       8.02         1000       
   Water     29.3            900          1000       
   Soil      70.6            1.8e+003     1000       
   Sediment  0.0833          8.1e+003     0          
     Persistence Time: 1.26e+003 hr