Methyl 4-chlorobenzoate

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) =  2.47
    Log Kow (Exper. database match) =  2.87
       Exper. Ref:  Pagou,M & Koutselinis,A (1993)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  227.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  18.45  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0579  (Modified Grain method)
    MP  (exp database):  43.5 deg C
    Subcooled liquid VP: 0.0852 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):  216.3
       log Kow used: 2.87 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  889.87 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.57E-005  atm-m3/mole
   Group Method:   1.54E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  6.009E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.87  (exp database)
  Log Kaw used:  -2.979  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.849
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6581
   Biowin2 (Non-Linear Model)     :   0.9340
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7558  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6652  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5878
   Biowin6 (MITI Non-Linear Model):   0.5812
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1444
 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):  11.4 Pa (0.0852 mm Hg)
  Log Koa (Koawin est  ): 5.849
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.64E-007 
       Octanol/air (Koa) model:  1.73E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.54E-006 
       Mackay model           :  2.11E-005 
       Octanol/air (Koa) model:  1.39E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.6583 E-12 cm3/molecule-sec
      Half-Life =    16.248 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.53E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  125.6
      Log Koc:  2.099 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.276E-001  L/mol-sec
  Kb Half-Life at pH 8:      62.876  days   
  Kb Half-Life at pH 7:       1.721  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.510 (BCF = 32.35)
       log Kow used: 2.87 (expkow database)

 Volatilization from Water:
    Henry LC:  1.54E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      50.99  hours   (2.125 days)
    Half-Life from Model Lake :      665.8  hours   (27.74 days)

 Removal In Wastewater Treatment:
    Total removal:               5.53  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.59  percent
    Total to Air:                0.83  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.94            390          1000       
   Water     24.2            360          1000       
   Soil      69.6            720          1000       
   Sediment  0.318           3.24e+003    0          
     Persistence Time: 481 hr