5-(2,5-Dimethoxybenzylidene)-2-methyl-2-(2-methyl-2-propanyl)-1,3-dioxane-4,6-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) =  8.35

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  476.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  183.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.37E-009  (Modified Grain method)
    Subcooled liquid VP: 1.06E-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):  0.0005689
       log Kow used: 8.35 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.5563 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.97E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.833E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.35  (KowWin est)
  Log Kaw used:  -8.916  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.266
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8327
   Biowin2 (Non-Linear Model)     :   0.9994
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2002  (months      )
   Biowin4 (Primary Survey Model) :   3.6706  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9639
   Biowin6 (MITI Non-Linear Model):   0.8473
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0301
 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):  1.41E-005 Pa (1.06E-007 mm Hg)
  Log Koa (Koawin est  ): 17.266
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.212 
       Octanol/air (Koa) model:  4.53E+004 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.885 
       Mackay model           :  0.944 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.4616 E-12 cm3/molecule-sec
      Half-Life =     0.351 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.214 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec
      Half-Life =     0.546 Days (at 7E11 mol/cm3)
      Half-Life =     13.097 Hrs
   Fraction sorbed to airborne particulates (phi): 0.915 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  422.7
      Log Koc:  2.626 

 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 = 2.960 (BCF = 912.8)
       log Kow used: 8.35 (estimated)

 Volatilization from Water:
    Henry LC:  2.97E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.605E+007  hours   (1.502E+006 days)
    Half-Life from Model Lake : 3.932E+008  hours   (1.639E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  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       0.000721        5.13         1000       
   Water     1.16            1.44e+003    1000       
   Soil      42              2.88e+003    1000       
   Sediment  56.9            1.3e+004     0          
     Persistence Time: 6.21e+003 hr