3-Oxoandrostan-17-yl pivalate

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  5.43

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  419.02  (Adapted Stein & Brown method)
    Melting Pt (deg C):  162.66  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.1E-007  (Modified Grain method)
    Subcooled liquid VP: 2.85E-006 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):  0.1006
       log Kow used: 5.43 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.1579 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.71E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.389E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.43  (KowWin est)
  Log Kaw used:  -4.401  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.831
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1984
   Biowin2 (Non-Linear Model)     :   0.0208
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8528  (months      )
   Biowin4 (Primary Survey Model) :   3.0537  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5039
   Biowin6 (MITI Non-Linear Model):   0.0969
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6674
 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):  0.00038 Pa (2.85E-006 mm Hg)
  Log Koa (Koawin est  ): 9.831
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00789 
       Octanol/air (Koa) model:  0.00166 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.222 
       Mackay model           :  0.387 
       Octanol/air (Koa) model:  0.117 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  38.4836 E-12 cm3/molecule-sec
      Half-Life =     0.278 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.335 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.304 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5.523E+004
      Log Koc:  4.742 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.616E-003  L/mol-sec
  Kb Half-Life at pH 8:       4.758  years  
  Kb Half-Life at pH 7:      47.576  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 3.484 (BCF = 3046)
       log Kow used: 5.43 (estimated)

 Volatilization from Water:
    Henry LC:  9.71E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1169  hours   (48.71 days)
    Half-Life from Model Lake : 1.291E+004  hours   (538.1 days)

 Removal In Wastewater Treatment:
    Total removal:              87.33  percent
    Total biodegradation:        0.74  percent
    Total sludge adsorption:    86.59  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       0.0933          6.67         1000       
   Water     5.72            1.44e+003    1000       
   Soil      51.4            2.88e+003    1000       
   Sediment  42.8            1.3e+004     0          
     Persistence Time: 2.89e+003 hr