8-(4-Benzyl-1-piperazinyl)-7-[2-(4-methoxyphenyl)ethyl]-3-methyl-3,7-dihydro-1H-purine-2,6-dione

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) =  4.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  780.70  (Adapted Stein & Brown method)
    Melting Pt (deg C):  343.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.58E-019  (Modified Grain method)
    Subcooled liquid VP: 1.1E-015 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):  0.242
       log Kow used: 4.25 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.6227 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.85E-020  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.657E-019 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.25  (KowWin est)
  Log Kaw used:  -17.803  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  22.053
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4258
   Biowin2 (Non-Linear Model)     :   0.0279
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5299  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.6005  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.5824
   Biowin6 (MITI Non-Linear Model):   0.0001
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.5186
 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):  1.47E-013 Pa (1.1E-015 mm Hg)
  Log Koa (Koawin est  ): 22.053
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.05E+007 
       Octanol/air (Koa) model:  2.77E+009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 189.1509 E-12 cm3/molecule-sec
      Half-Life =     0.057 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.679 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.664E+004
      Log Koc:  4.426 

 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 = 2.576 (BCF = 376.9)
       log Kow used: 4.25 (estimated)

 Volatilization from Water:
    Henry LC:  3.85E-020 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.313E+016  hours   (1.38E+015 days)
    Half-Life from Model Lake : 3.614E+017  hours   (1.506E+016 days)

 Removal In Wastewater Treatment:
    Total removal:              42.58  percent
    Total biodegradation:        0.42  percent
    Total sludge adsorption:    42.16  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       0.000153        1.36         1000       
   Water     3.84            4.32e+003    1000       
   Soil      93              8.64e+003    1000       
   Sediment  3.15            3.89e+004    0          
     Persistence Time: 8.25e+003 hr