(4aS,12bR)-8,10-Dihydroxy-2,5,5,9-tetramethyl-3,4a,5,12b-tetrahydro-4H-dibenzo[c,g]chromene-7,12-dione

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) =  4.81

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  513.46  (Adapted Stein & Brown method)
    Melting Pt (deg C):  218.89  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.99E-012  (Modified Grain method)
    Subcooled liquid VP: 2.33E-010 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):  1.736
       log Kow used: 4.81 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  65.248 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Phenols
       Vinyl/Allyl Ethers
       Quinone/Hydroquinone

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.94E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.346E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.81  (KowWin est)
  Log Kaw used:  -11.615  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.425
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3475
   Biowin2 (Non-Linear Model)     :   0.0034
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1881  (months      )
   Biowin4 (Primary Survey Model) :   3.1396  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2122
   Biowin6 (MITI Non-Linear Model):   0.0173
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.3183
 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):  3.11E-008 Pa (2.33E-010 mm Hg)
  Log Koa (Koawin est  ): 16.425
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  96.6 
       Octanol/air (Koa) model:  6.53E+003 
   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 = 321.1422 E-12 cm3/molecule-sec
      Half-Life =     0.033 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.980 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    48.687500 E-17 cm3/molecule-sec
      Half-Life =     0.024 Days (at 7E11 mol/cm3)
      Half-Life =     33.894 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2060
      Log Koc:  3.314 

 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 = 2.162 (BCF = 145.2)
       log Kow used: 4.81 (estimated)

 Volatilization from Water:
    Henry LC:  5.94E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.856E+010  hours   (7.732E+008 days)
    Half-Life from Model Lake : 2.024E+011  hours   (8.434E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              70.78  percent
    Total biodegradation:        0.63  percent
    Total sludge adsorption:    70.15  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       0.00114         0.331        1000       
   Water     7.33            1.44e+003    1000       
   Soil      78              2.88e+003    1000       
   Sediment  14.7            1.3e+004     0          
     Persistence Time: 3.02e+003 hr