Methyl phenoxyacetate

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) =  1.61
    Log Kow (Exper. database match) =  1.41
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  235.02  (Adapted Stein & Brown method)
    Melting Pt (deg C):  16.29  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000142  (Modified Grain method)
    MP  (exp database):  245 deg C
    BP  (exp database):  245 deg C
    Subcooled liquid VP: 0.0344 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):  4006
       log Kow used: 1.41 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1465.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.37E-006  atm-m3/mole
   Group Method:   3.01E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.751E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.41  (exp database)
  Log Kaw used:  -3.658  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.068
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1026
   Biowin2 (Non-Linear Model)     :   0.9998
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9360  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9190  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8476
   Biowin6 (MITI Non-Linear Model):   0.9274
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8734
 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):  4.59 Pa (0.0344 mm Hg)
  Log Koa (Koawin est  ): 5.068
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.54E-007 
       Octanol/air (Koa) model:  2.87E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.36E-005 
       Mackay model           :  5.23E-005 
       Octanol/air (Koa) model:  2.3E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  23.4878 E-12 cm3/molecule-sec
      Half-Life =     0.455 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.465 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.8E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  58.77
      Log Koc:  1.769 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.452E+000  L/mol-sec
  Kb Half-Life at pH 8:       1.802  days   
  Kb Half-Life at pH 7:      18.017  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.386 (BCF = 2.431)
       log Kow used: 1.41 (expkow database)

 Volatilization from Water:
    Henry LC:  5.37E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      141.9  hours   (5.911 days)
    Half-Life from Model Lake :       1656  hours   (68.99 days)

 Removal In Wastewater Treatment:
    Total removal:               2.25  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.85  percent
    Total to Air:                0.30  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.34            10.9         1000       
   Water     39.5            360          1000       
   Soil      59.1            720          1000       
   Sediment  0.0899          3.24e+003    0          
     Persistence Time: 369 hr