(2E)-3-{1-[4-(Difluoromethoxy)phenyl]-2,5-dimethyl-1H-pyrrol-3-yl}acrylic acid

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) =  4.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  419.74  (Adapted Stein & Brown method)
    Melting Pt (deg C):  167.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.41E-008  (Modified Grain method)
    Subcooled liquid VP: 2.74E-006 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):  6.436
       log Kow used: 4.25 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.1406 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.26E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.912E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.25  (KowWin est)
  Log Kaw used:  -12.034  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  16.284
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9152
   Biowin2 (Non-Linear Model)     :   0.9365
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6769  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7300  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2948
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3327
 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):  0.000365 Pa (2.74E-006 mm Hg)
  Log Koa (Koawin est  ): 16.284
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00821 
       Octanol/air (Koa) model:  4.72E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.229 
       Mackay model           :  0.396 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 220.6366 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 223.2966 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    0.582 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    0.575 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.050000 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     1.091 Days (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =    13.097 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.313 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5601
      Log Koc:  3.748 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 4.25 (estimated)

 Volatilization from Water:
    Henry LC:  2.26E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.541E+010  hours   (1.892E+009 days)
    Half-Life from Model Lake : 4.954E+011  hours   (2.064E+010 days)

 Removal In Wastewater Treatment:
    Total removal:              42.58  percent
    Total biodegradation:        0.42  percent
    Total sludge adsorption:    42.16  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       2.2e-007        1.11         1000       
   Water     10.6            900          1000       
   Soil      85              1.8e+003     1000       
   Sediment  4.46            8.1e+003     0          
     Persistence Time: 1.93e+003 hr