6-Chloro-3,20-dioxopregna-1,4,6-trien-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) =  3.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  458.90  (Adapted Stein & Brown method)
    Melting Pt (deg C):  193.40  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.89E-009  (Modified Grain method)
    MP  (exp database):  168 deg C
    Subcooled liquid VP: 2.95E-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):  1.91
       log Kow used: 3.73 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  4.57 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.91 mg/L
    Wat Sol (Exper. database match) =  4.57
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.64E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.745E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.73  (KowWin est)
  Log Kaw used:  -7.967  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.697
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.0804
   Biowin2 (Non-Linear Model)     :   0.0014
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5945  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.8900  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4392
   Biowin6 (MITI Non-Linear Model):   0.0245
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7673
 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):  3.93E-005 Pa (2.95E-007 mm Hg)
  Log Koa (Koawin est  ): 11.697
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0763 
       Octanol/air (Koa) model:  0.122 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.734 
       Mackay model           :  0.859 
       Octanol/air (Koa) model:  0.907 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  46.3222 E-12 cm3/molecule-sec
      Half-Life =     0.231 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.771 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.927895 E-17 cm3/molecule-sec
      Half-Life =     1.235 Days (at 7E11 mol/cm3)
      Half-Life =     29.641 Hrs
   Fraction sorbed to airborne particulates (phi): 0.796 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5721
      Log Koc:  3.757 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  9.548E-002  L/mol-sec
  Kb Half-Life at pH 8:      84.020  days   
  Kb Half-Life at pH 7:       2.300  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.173 (BCF = 149.1)
       log Kow used: 3.73 (estimated)

 Volatilization from Water:
    Henry LC:  2.64E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.452E+006  hours   (1.855E+005 days)
    Half-Life from Model Lake : 4.856E+007  hours   (2.023E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              19.41  percent
    Total biodegradation:        0.24  percent
    Total sludge adsorption:    19.17  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       0.00131         4.67         1000       
   Water     4.45            4.32e+003    1000       
   Soil      94.6            8.64e+003    1000       
   Sediment  0.918           3.89e+004    0          
     Persistence Time: 7.69e+003 hr