Methyl 3-(3,12-diacetoxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)butanoate

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) =  6.45

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  466.16  (Adapted Stein & Brown method)
    Melting Pt (deg C):  176.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.18E-009  (Modified Grain method)
    Subcooled liquid VP: 1.95E-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):  0.003101
       log Kow used: 6.45 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.053397 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.44E-008  atm-m3/mole
   Group Method:   4.77E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.048E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.45  (KowWin est)
  Log Kaw used:  -6.230  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.680
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6753
   Biowin2 (Non-Linear Model)     :   0.9935
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1422  (months      )
   Biowin4 (Primary Survey Model) :   3.5400  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7067
   Biowin6 (MITI Non-Linear Model):   0.1589
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.6181
 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):  2.6E-005 Pa (1.95E-007 mm Hg)
  Log Koa (Koawin est  ): 12.680
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.115 
       Octanol/air (Koa) model:  1.17 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.806 
       Mackay model           :  0.902 
       Octanol/air (Koa) model:  0.989 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  39.2251 E-12 cm3/molecule-sec
      Half-Life =     0.273 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.272 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.854 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.259E+006
      Log Koc:  6.513 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  7.811E-002  L/mol-sec
  Kb Half-Life at pH 8:     102.696  days   
  Kb Half-Life at pH 7:       2.812  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 4.270 (BCF = 1.864e+004)
       log Kow used: 6.45 (estimated)

 Volatilization from Water:
    Henry LC:  4.77E-011 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:  2.68E+007  hours   (1.117E+006 days)
    Half-Life from Model Lake : 2.923E+008  hours   (1.218E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              93.36  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    92.59  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       0.000718        6.54         1000       
   Water     1.65            1.44e+003    1000       
   Soil      45.2            2.88e+003    1000       
   Sediment  53.1            1.3e+004     0          
     Persistence Time: 5.78e+003 hr