2-(6,7-Dimethoxy-3,3-dimethyl-1-oxo-2,3,4,9-tetrahydro-1H-xanthen-9-yl)-5,5-dimethyl-1,3-cyclohexanedione

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) =  4.32

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  539.16  (Adapted Stein & Brown method)
    Melting Pt (deg C):  230.89  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.69E-011  (Modified Grain method)
    Subcooled liquid VP: 2.76E-009 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):  0.4299
       log Kow used: 4.32 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.47128 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.81E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.206E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.32  (KowWin est)
  Log Kaw used:  -13.131  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.451
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6475
   Biowin2 (Non-Linear Model)     :   0.3702
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5157  (recalcitrant)
   Biowin4 (Primary Survey Model) :   3.0217  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6179
   Biowin6 (MITI Non-Linear Model):   0.2526
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6643
 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):  3.68E-007 Pa (2.76E-009 mm Hg)
  Log Koa (Koawin est  ): 17.451
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.15 
       Octanol/air (Koa) model:  6.93E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       Mackay model           :  0.998 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 313.9702 E-12 cm3/molecule-sec
      Half-Life =     0.034 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    24.528 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    36.968746 E-17 cm3/molecule-sec
      Half-Life =     0.031 Days (at 7E11 mol/cm3)
      Half-Life =     44.639 Min
   Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.389E+004
      Log Koc:  4.530 

 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 = 2.625 (BCF = 421.6)
       log Kow used: 4.32 (estimated)

 Volatilization from Water:
    Henry LC:  1.81E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  6.68E+011  hours   (2.783E+010 days)
    Half-Life from Model Lake : 7.288E+012  hours   (3.037E+011 days)

 Removal In Wastewater Treatment:
    Total removal:              46.35  percent
    Total biodegradation:        0.45  percent
    Total sludge adsorption:    45.90  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       1.44e-006       0.39         1000       
   Water     3.75            4.32e+003    1000       
   Soil      92.6            8.64e+003    1000       
   Sediment  3.67            3.89e+004    0          
     Persistence Time: 8.39e+003 hr