11,17-Dihydroxy-3,20-dioxopregn-4-en-21-yl acetate

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) =  2.36
    Log Kow (Exper. database match) =  2.19
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  510.07  (Adapted Stein & Brown method)
    Melting Pt (deg C):  217.30  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.18E-013  (Modified Grain method)
    MP  (exp database):  223 dec deg C
    Subcooled liquid VP: 2.88E-011 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):  38.71
       log Kow used: 2.19 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  14.1 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  24.768 mg/L
    Wat Sol (Exper. database match) =  14.10
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Vinyl/Allyl Ketones

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.24E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.997E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.19  (exp database)
  Log Kaw used:  -9.593  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.783
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3498
   Biowin2 (Non-Linear Model)     :   0.0262
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.9241  (months      )
   Biowin4 (Primary Survey Model) :   3.1178  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6966
   Biowin6 (MITI Non-Linear Model):   0.2344
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6143
 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):  3.84E-009 Pa (2.88E-011 mm Hg)
  Log Koa (Koawin est  ): 11.783
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  781 
       Octanol/air (Koa) model:  0.149 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.923 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 112.8795 E-12 cm3/molecule-sec
      Half-Life =     0.095 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.137 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   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    :  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 :  1.998E+000  L/mol-sec
  Kb Half-Life at pH 8:       4.016  days   
  Kb Half-Life at pH 7:      40.159  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.986 (BCF = 9.689)
       log Kow used: 2.19 (expkow database)

 Volatilization from Water:
    Henry LC:  6.24E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.887E+008  hours   (7.863E+006 days)
    Half-Life from Model Lake : 2.059E+009  hours   (8.578E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.46  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.37  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       0.0684          2.08         1000       
   Water     24.7            1.44e+003    1000       
   Soil      75.1            2.88e+003    1000       
   Sediment  0.126           1.3e+004     0          
     Persistence Time: 1.28e+003 hr