6H-3,8a-Etheno-1,2,4-benzotrioxin-3-acetic acid, 4a,5,7,8-tetrahydro-4a,8,8-trimethyl-, methyl ester

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.78

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  328.71  (Adapted Stein & Brown method)
    Melting Pt (deg C):  119.47  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.85E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000419 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):  9.266
       log Kow used: 3.78 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  16.704 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.80E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.945E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.78  (KowWin est)
  Log Kaw used:  -5.496  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.276
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.2958
   Biowin2 (Non-Linear Model)     :   0.0007
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8583  (months      )
   Biowin4 (Primary Survey Model) :   3.0459  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6105
   Biowin6 (MITI Non-Linear Model):   0.3974
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.3856
 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):  0.0559 Pa (0.000419 mm Hg)
  Log Koa (Koawin est  ): 9.276
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.37E-005 
       Octanol/air (Koa) model:  0.000463 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00194 
       Mackay model           :  0.00428 
       Octanol/air (Koa) model:  0.0358 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  65.2885 E-12 cm3/molecule-sec
      Half-Life =     0.164 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.966 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.00311 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  968.6
      Log Koc:  2.986 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.049E-003  L/mol-sec
  Kb Half-Life at pH 8:       5.424  years  
  Kb Half-Life at pH 7:      54.237  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.207 (BCF = 161.2)
       log Kow used: 3.78 (estimated)

 Volatilization from Water:
    Henry LC:  7.8E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.261E+004  hours   (525.6 days)
    Half-Life from Model Lake : 1.378E+005  hours   (5740 days)

 Removal In Wastewater Treatment:
    Total removal:              21.12  percent
    Total biodegradation:        0.25  percent
    Total sludge adsorption:    20.87  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       0.0822          3.84         1000       
   Water     12.7            1.44e+003    1000       
   Soil      85              2.88e+003    1000       
   Sediment  2.22            1.3e+004     0          
     Persistence Time: 1.81e+003 hr