(3S,5Z,7E)-3-{[Dimethyl(2-methyl-2-propanyl)silyl]oxy}-9,10-secocholesta-5,7,10-triene

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) =  14.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  474.50  (Adapted Stein & Brown method)
    Melting Pt (deg C):  186.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.48E-009  (Modified Grain method)
    Subcooled liquid VP: 1.2E-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):  6.954e-010
       log Kow used: 14.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9.4072e-007 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.23E+000  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.341E+000 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  14.07  (KowWin est)
  Log Kaw used:  2.121  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.949
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1422
   Biowin2 (Non-Linear Model)     :   0.0005
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.6724  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.8210  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3664
   Biowin6 (MITI Non-Linear Model):   0.0003
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.9381
 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):  1.6E-005 Pa (1.2E-007 mm Hg)
  Log Koa (Koawin est  ): 11.949
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.188 
       Octanol/air (Koa) model:  0.218 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.871 
       Mackay model           :  0.938 
       Octanol/air (Koa) model:  0.946 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 277.9824 E-12 cm3/molecule-sec
      Half-Life =     0.038 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    27.704 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    41.616249 E-17 cm3/molecule-sec
      Half-Life =     0.028 Days (at 7E11 mol/cm3)
      Half-Life =     39.654 Min
   Fraction sorbed to airborne particulates (phi): 0.904 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.819E+009
      Log Koc:  9.260 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 14.07 (estimated)

 Volatilization from Water:
    Henry LC:  3.23 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       2.28  hours
    Half-Life from Model Lake :      212.2  hours   (8.84 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  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       0.0017          0.385        1000       
   Water     0.748           4.32e+003    1000       
   Soil      39.4            8.64e+003    1000       
   Sediment  59.8            3.89e+004    0          
     Persistence Time: 1.07e+004 hr