1-Methyl-9-(4-methylbenzyl)-6,7,8,9-tetrahydropyrimido[2,1-f]purine-2,4(1H,3H)-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) =  3.02

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  633.99  (Adapted Stein & Brown method)
    Melting Pt (deg C):  275.19  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.65E-014  (Modified Grain method)
    Subcooled liquid VP: 9.47E-012 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):  23.11
       log Kow used: 3.02 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  12.366 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.35E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.057E-016 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.02  (KowWin est)
  Log Kaw used:  -12.258  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.278
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4421
   Biowin2 (Non-Linear Model)     :   0.0371
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1505  (months      )
   Biowin4 (Primary Survey Model) :   3.0218  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2624
   Biowin6 (MITI Non-Linear Model):   0.0018
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.4392
 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):  1.26E-009 Pa (9.47E-012 mm Hg)
  Log Koa (Koawin est  ): 15.278
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.38E+003 
       Octanol/air (Koa) model:  466 
   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 =  65.8272 E-12 cm3/molecule-sec
      Half-Life =     0.162 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.950 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    :  333.8
      Log Koc:  2.524 

 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 = 1.622 (BCF = 41.93)
       log Kow used: 3.02 (estimated)

 Volatilization from Water:
    Henry LC:  1.35E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.823E+010  hours   (3.26E+009 days)
    Half-Life from Model Lake : 8.534E+011  hours   (3.556E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               5.86  percent
    Total biodegradation:        0.13  percent
    Total sludge adsorption:     5.74  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       0.011           3.9          1000       
   Water     11.1            1.44e+003    1000       
   Soil      88.6            2.88e+003    1000       
   Sediment  0.292           1.3e+004     0          
     Persistence Time: 2.51e+003 hr