4-Ethoxy-4-oxo-3-(1,3,6-trimethyl-2,4-dioxo-1,2,3,4-tetrahydro-5-pyrimidinyl)butanoic acid

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) =  0.35

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  494.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  209.96  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.15E-010  (Modified Grain method)
    Subcooled liquid VP: 3.82E-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):  6268
       log Kow used: 0.35 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1657.5 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters-acid
       Imides-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.20E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.599E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.35  (KowWin est)
  Log Kaw used:  -14.883  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.233
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8524
   Biowin2 (Non-Linear Model)     :   0.9706
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0448  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0319  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3994
   Biowin6 (MITI Non-Linear Model):   0.1587
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7625
 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):  5.09E-006 Pa (3.82E-008 mm Hg)
  Log Koa (Koawin est  ): 15.233
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.589 
       Octanol/air (Koa) model:  420 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.955 
       Mackay model           :  0.979 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.1342 E-12 cm3/molecule-sec
      Half-Life =     0.355 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.259 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): 0.967 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.371E-002  L/mol-sec
  Kb Half-Life at pH 8:     183.520  days   
  Kb Half-Life at pH 7:       5.024  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.35 (estimated)

 Volatilization from Water:
    Henry LC:  3.2E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  3.16E+013  hours   (1.317E+012 days)
    Half-Life from Model Lake : 3.447E+014  hours   (1.436E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       2.47e-008       2.59         1000       
   Water     37.8            360          1000       
   Soil      62.1            720          1000       
   Sediment  0.0707          3.24e+003    0          
     Persistence Time: 587 hr