CAS Number: 471-80-7
SMILES : CC12CCCC(C1CCC34C2CCC(C3)(C(=C)C4)O)(C)C(=O)O
CHEM   : steviol
MOL FOR: C20 H30 O3 
MOL WT : 318.46
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  4.97
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  417.58  (Adapted Stein & Brown method)
    Melting Pt (deg C):  174.10  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.6E-009  (Modified Grain method)
    VP (Pa, 25 deg C) :  2.14E-007  (Modified Grain method)
    Subcooled liquid VP: 5.62E-008 mm Hg (25 deg C, Mod-Grain method)
                       : 7.49E-006 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  4.359
       log Kow used: 4.97 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5.0618 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Vinyl/Allyl Alcohols-acid
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.09E-010  atm-m3/mole  (1.11E-005 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:  1.538E-010 atm-m3/mole  (1.558E-005 Pa-m3/mole)
      VP:   1.6E-009 mm Hg (source: MPBPVP)
      WS:   4.36 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.97  (KowWin est)
  Log Kaw used:  -8.351  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.321
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.0671
   Biowin2 (Non-Linear Model)     :   0.0004
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0115  (months      )
   Biowin4 (Primary Survey Model) :   3.1601  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4320
   Biowin6 (MITI Non-Linear Model):   0.1222
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6215
 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):  7.49E-006 Pa (5.62E-008 mm Hg)
  Log Koa (Koawin est  ): 13.321
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.4 
       Octanol/air (Koa) model:  5.14 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.935 
       Mackay model           :  0.97 
       Octanol/air (Koa) model:  0.998 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  75.9877 E-12 cm3/molecule-sec
      Half-Life =     0.141 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.689 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi):
      0.953 (Junge-Pankow, Mackay avg)
      0.998 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1644  L/kg (MCI method)
      Log Koc:  3.216       (MCI method)
      Koc    :  311.4  L/kg (Kow method)
      Log Koc:  2.493       (Kow method)
 
 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!
 
 Bioaccumulation Estimates (BCFBAF v3.00):
   Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 0.8032 days (HL = 6.356 days)
   Log BCF Arnot-Gobas method (upper trophic) = 3.294 (BCF = 1968)
   Log BAF Arnot-Gobas method (upper trophic) = 3.360 (BAF = 2292)
       log Kow used: 4.97 (estimated)
 
 Volatilization from Water:
    Henry LC:  1.09E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.586E+006  hours   (3.994E+005 days)
    Half-Life from Model Lake : 1.046E+008  hours   (4.357E+006 days)
 
 Removal In Wastewater Treatment:
    Total removal:              76.73  percent
    Total biodegradation:        0.67  percent
    Total sludge adsorption:    76.06  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       0.00903         2.96         1000       
   Water     9.58            1.44e+003    1000       
   Soil      89.3            2.88e+003    1000       
   Sediment  1.07            1.3e+004     0          
     Persistence Time: 2.63e+003 hr