Methyl 3-methylbenzoate

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) =  2.38
    Log Kow (Exper. database match) =  2.77
       Exper. Ref:  Sotomatsu,T et al. (1993)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  215.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  5.75  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.125  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  221 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  326.4
       log Kow used: 2.77 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1149.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.83E-005  atm-m3/mole
   Group Method:   1.94E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.568E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.77  (exp database)
  Log Kaw used:  -2.805  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.575
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9049
   Biowin2 (Non-Linear Model)     :   0.9961
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9327  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7915  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6838
   Biowin6 (MITI Non-Linear Model):   0.8090
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1749
 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):  15.5 Pa (0.116 mm Hg)
  Log Koa (Koawin est  ): 5.575
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.94E-007 
       Octanol/air (Koa) model:  9.23E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.01E-006 
       Mackay model           :  1.55E-005 
       Octanol/air (Koa) model:  7.38E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.4794 E-12 cm3/molecule-sec
      Half-Life =     7.230 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    86.757 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.13E-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 :  2.991E-002  L/mol-sec
  Kb Half-Life at pH 8:     268.214  days   
  Kb Half-Life at pH 7:       7.343  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.433 (BCF = 27.1)
       log Kow used: 2.77 (expkow database)

 Volatilization from Water:
    Henry LC:  1.94E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      38.23  hours   (1.593 days)
    Half-Life from Model Lake :      519.9  hours   (21.66 days)

 Removal In Wastewater Treatment:
    Total removal:               5.16  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     4.01  percent
    Total to Air:                1.04  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.26            174          1000       
   Water     24.5            360          1000       
   Soil      69.9            720          1000       
   Sediment  0.27            3.24e+003    0          
     Persistence Time: 470 hr