6,16-Bis(methylene)-3,20-dioxopregn-4-en-17-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) =  4.49

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  456.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  192.45  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.79E-009  (Modified Grain method)
    Subcooled liquid VP: 3.32E-007 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):  0.4699
       log Kow used: 4.49 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.4237 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.21E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.429E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.49  (KowWin est)
  Log Kaw used:  -7.306  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.796
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1948
   Biowin2 (Non-Linear Model)     :   0.0098
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7818  (months      )
   Biowin4 (Primary Survey Model) :   2.9998  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5028
   Biowin6 (MITI Non-Linear Model):   0.0862
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.0662
 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):  4.43E-005 Pa (3.32E-007 mm Hg)
  Log Koa (Koawin est  ): 11.796
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0678 
       Octanol/air (Koa) model:  0.153 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.71 
       Mackay model           :  0.844 
       Octanol/air (Koa) model:  0.925 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 242.4615 E-12 cm3/molecule-sec
      Half-Life =     0.044 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.529 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     6.402500 E-17 cm3/molecule-sec
      Half-Life =     0.179 Days (at 7E11 mol/cm3)
      Half-Life =      4.296 Hrs
   Fraction sorbed to airborne particulates (phi): 0.777 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  9575
      Log Koc:  3.981 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.710E-003  L/mol-sec
  Kb Half-Life at pH 8:       8.104  years  
  Kb Half-Life at pH 7:      81.039  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.758 (BCF = 573.2)
       log Kow used: 4.49 (estimated)

 Volatilization from Water:
    Henry LC:  1.21E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.635E+005  hours   (4.015E+004 days)
    Half-Life from Model Lake : 1.051E+007  hours   (4.38E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              55.50  percent
    Total biodegradation:        0.52  percent
    Total sludge adsorption:    54.98  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       0.0112          0.849        1000       
   Water     9.83            1.44e+003    1000       
   Soil      80.7            2.88e+003    1000       
   Sediment  9.48            1.3e+004     0          
     Persistence Time: 2.28e+003 hr