Epitiostanol

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) =  4.45

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  381.87  (Adapted Stein & Brown method)
    Melting Pt (deg C):  143.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.01E-008  (Modified Grain method)
    MP  (exp database):  127 deg C
    Subcooled liquid VP: 6.27E-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):  1.775
       log Kow used: 4.45 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1.2 mg/L (37 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.5826 mg/L
    Wat Sol (Exper. database match) =  1.20
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.91E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.366E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.45  (KowWin est)
  Log Kaw used:  -5.617  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.067
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3925
   Biowin2 (Non-Linear Model)     :   0.0248
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2576  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2281  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3424
   Biowin6 (MITI Non-Linear Model):   0.0294
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5427
 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):  8.36E-005 Pa (6.27E-007 mm Hg)
  Log Koa (Koawin est  ): 10.067
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0359 
       Octanol/air (Koa) model:  0.00286 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.564 
       Mackay model           :  0.742 
       Octanol/air (Koa) model:  0.186 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.0924 E-12 cm3/molecule-sec
      Half-Life =     0.323 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.879 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.653 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.709E+004
      Log Koc:  4.433 

 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 = 2.728 (BCF = 534.3)
       log Kow used: 4.45 (estimated)

 Volatilization from Water:
    Henry LC:  5.91E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.735E+004  hours   (722.7 days)
    Half-Life from Model Lake : 1.894E+005  hours   (7891 days)

 Removal In Wastewater Treatment:
    Total removal:              53.37  percent
    Total biodegradation:        0.50  percent
    Total sludge adsorption:    52.87  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       0.176           7.76         1000       
   Water     13.5            900          1000       
   Soil      77.4            1.8e+003     1000       
   Sediment  9.01            8.1e+003     0          
     Persistence Time: 1.39e+003 hr