ethyl 3-methyl-4-oxo-6,7-dihydro-5H-1-benzofuran-2-carboxylate

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) =  1.91

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  327.15  (Adapted Stein & Brown method)
    Melting Pt (deg C):  101.61  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.17E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000456 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):  783.3
       log Kow used: 1.91 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8438.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.64E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.050E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.91  (KowWin est)
  Log Kaw used:  -5.174  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.084
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4754
   Biowin2 (Non-Linear Model)     :   0.5125
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8171  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7241  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6233
   Biowin6 (MITI Non-Linear Model):   0.6131
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1344
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0608 Pa (0.000456 mm Hg)
  Log Koa (Koawin est  ): 7.084
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.93E-005 
       Octanol/air (Koa) model:  2.98E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00178 
       Mackay model           :  0.00393 
       Octanol/air (Koa) model:  0.000238 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 125.1635 E-12 cm3/molecule-sec
      Half-Life =     0.085 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.025 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     2.275000 E-17 cm3/molecule-sec
      Half-Life =     0.504 Days (at 7E11 mol/cm3)
      Half-Life =     12.090 Hrs
   Fraction sorbed to airborne particulates (phi): 0.00286 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.954E-003  L/mol-sec
  Kb Half-Life at pH 8:      11.238  years  
  Kb Half-Life at pH 7:     112.381  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.771 (BCF = 5.896)
       log Kow used: 1.91 (estimated)

 Volatilization from Water:
    Henry LC:  1.64E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       5324  hours   (221.8 days)
    Half-Life from Model Lake :  5.82E+004  hours   (2425 days)

 Removal In Wastewater Treatment:
    Total removal:               2.18  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.08  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.194           1.75         1000       
   Water     32.5            360          1000       
   Soil      67.2            720          1000       
   Sediment  0.105           3.24e+003    0          
     Persistence Time: 419 hr