4-{[(17α)-3-Hydroxy-19-norpregna-1,3,5(10)-trien-20-yn-17-yl]oxy}-4-oxobutanoic 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) =  4.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  520.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  222.11  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.64E-012  (Modified Grain method)
    Subcooled liquid VP: 9.81E-010 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):  2.121
       log Kow used: 4.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.88689 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.10E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.879E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.87  (KowWin est)
  Log Kaw used:  -12.681  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.551
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6629
   Biowin2 (Non-Linear Model)     :   0.6721
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3102  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4860  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4389
   Biowin6 (MITI Non-Linear Model):   0.1477
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4312
 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):  1.31E-007 Pa (9.81E-010 mm Hg)
  Log Koa (Koawin est  ): 17.551
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  22.9 
       Octanol/air (Koa) model:  8.73E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.999 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 124.7525 E-12 cm3/molecule-sec
      Half-Life =     0.086 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.029 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.003000 E-17 cm3/molecule-sec
      Half-Life =   382.000 Days (at 7E11 mol/cm3)
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7.897E+004
      Log Koc:  4.897 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.974E-002  L/mol-sec
  Kb Half-Life at pH 8:     115.022  days   
  Kb Half-Life at pH 7:       3.149  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 4.87 (estimated)

 Volatilization from Water:
    Henry LC:  5.1E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.286E+011  hours   (9.525E+009 days)
    Half-Life from Model Lake : 2.494E+012  hours   (1.039E+011 days)

 Removal In Wastewater Treatment:
    Total removal:              73.16  percent
    Total biodegradation:        0.65  percent
    Total sludge adsorption:    72.52  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       4.27e-005       2.06         1000       
   Water     8.74            900          1000       
   Soil      76.2            1.8e+003     1000       
   Sediment  15              8.1e+003     0          
     Persistence Time: 2.15e+003 hr