Butyl 4-(3-ethoxy-4-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydro-5-pyrimidinecarboxylate

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) =  2.63

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  506.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  215.69  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.18E-011  (Modified Grain method)
    Subcooled liquid VP: 2.34E-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):  36.11
       log Kow used: 2.63 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  785.39 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.81E-018  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.768E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.63  (KowWin est)
  Log Kaw used:  -15.624  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  18.254
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1120
   Biowin2 (Non-Linear Model)     :   0.9992
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8661  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9599  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4926
   Biowin6 (MITI Non-Linear Model):   0.2940
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5610
 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):  3.12E-007 Pa (2.34E-009 mm Hg)
  Log Koa (Koawin est  ): 18.254
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.62 
       Octanol/air (Koa) model:  4.41E+005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  79.1927 E-12 cm3/molecule-sec
      Half-Life =     0.135 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.621 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    13.650000 E-17 cm3/molecule-sec
      Half-Life =     0.084 Days (at 7E11 mol/cm3)
      Half-Life =      2.015 Hrs
   Reaction With Nitrate Radicals May Be Important!
   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    :  3630
      Log Koc:  3.560 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.658E-003  L/mol-sec
  Kb Half-Life at pH 8:      13.243  years  
  Kb Half-Life at pH 7:     132.432  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.323 (BCF = 21.05)
       log Kow used: 2.63 (estimated)

 Volatilization from Water:
    Henry LC:  5.81E-018 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.881E+014  hours   (7.837E+012 days)
    Half-Life from Model Lake : 2.052E+015  hours   (8.55E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               3.52  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.42  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       5.61e-008       1.24         1000       
   Water     18              360          1000       
   Soil      81.8            720          1000       
   Sediment  0.156           3.24e+003    0          
     Persistence Time: 760 hr