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CAS Number: 601-34-3
SMILES : O=C(OC(CCC(C1=CCC2C(C(C(C3)C(CCCC(C)C)C)(CC4)C)C3)(C24)C)C1)CCCCCCCCC
         CCCCCC
CHEM   : Cholest-5-en-3-ol (3.beta.)-, hexadecanoate
MOL FOR: C43 H76 O2 
MOL WT : 625.08
------------------------------ EPI SUMMARY (v4.10) --------------------------
    Henry LC (atm-m3/mole) :   ------
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Water Solubility (mg/L):   ------
 Physical Property Inputs:
    Vapor Pressure (mm Hg) :   ------
    Melting Point (deg C)  :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.68 estimate) =  16.62
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  604.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  261.60  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.42E-013  (Modified Grain method)
    VP (Pa, 25 deg C) :  1.89E-011  (Modified Grain method)
    Subcooled liquid VP: 5.5E-011 mm Hg (25 deg C, Mod-Grain method)
                       : 7.33E-009 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.42):
    Water Solubility at 25 deg C (mg/L):  7.053e-013
       log Kow used: 16.62 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6.2508e-007 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Esters
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   5.75E-001  atm-m3/mole  (5.82E+004 Pa-m3/mole)
   Group Method:   Incomplete
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  1.656E-001 atm-m3/mole  (1.678E+004 Pa-m3/mole)
      VP:   1.42E-013 mm Hg (source: MPBPVP)
      WS:   7.05E-013 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  16.62  (KowWin est)
  Log Kaw used:  1.371  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.249
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3647
   Biowin2 (Non-Linear Model)     :   0.0326
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8321  (months      )
   Biowin4 (Primary Survey Model) :   3.1370  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2989
   Biowin6 (MITI Non-Linear Model):   0.0222
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.1819
 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):  7.33E-009 Pa (5.5E-011 mm Hg)
  Log Koa (Koawin est  ): 15.249
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  409 
       Octanol/air (Koa) model:  436 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 142.2212 E-12 cm3/molecule-sec
      Half-Life =     0.075 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.902 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi):
      1 (Junge-Pankow, Mackay avg)
      1 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1E+010  L/kg (MCI method)
      Log Koc:  10.608      (MCI method)
      Koc    :  1.129E+010  L/kg (Kow method)
      Log Koc:  10.053      (Kow method)
 
 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
  Total Kb for pH > 8 at 25 deg C :  1.477E-002  L/mol-sec
  Kb Half-Life at pH 8:       1.487  years  
  Kb Half-Life at pH 7:      14.869  years  
    (Total Kb applies only to esters, carbmates, alkyl halides)
 
 Bioaccumulation Estimates (BCFBAF v3.01):
   Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 3.9386 days (HL = 8682 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)
   Log BAF Arnot-Gobas method (upper trophic) = -0.004 (BAF = 0.991)
       log Kow used: 16.62 (estimated)
 
 Volatilization from Water:
    Henry LC:  0.575 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      2.554  hours
    Half-Life from Model Lake :      237.5  hours   (9.896 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       0.0327          1.22         1000       
   Water     13.5            1.44e+003    1000       
   Soil      86.4            2.88e+003    1000       
   Sediment  0.00521         1.3e+004     0          
     Persistence Time: 1.67e+003 hr