Methyl 2,6-dimethylbenzoate

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) =  2.92
    Log Kow (Exper. database match) =  2.55
       Exper. Ref:  Sotomatsu,T et al. (1993)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  234.30  (Adapted Stein & Brown method)
    Melting Pt (deg C):  23.12  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0625  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  434.8
       log Kow used: 2.55 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  374.9 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.23E-005  atm-m3/mole
   Group Method:   2.08E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.106E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.55  (exp database)
  Log Kaw used:  -2.762  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.312
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9529
   Biowin2 (Non-Linear Model)     :   0.9973
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8268  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7027  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6754
   Biowin6 (MITI Non-Linear Model):   0.7731
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1015
 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):  7.91 Pa (0.0593 mm Hg)
  Log Koa (Koawin est  ): 5.312
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.79E-007 
       Octanol/air (Koa) model:  5.04E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.37E-005 
       Mackay model           :  3.04E-005 
       Octanol/air (Koa) model:  4.03E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   4.7589 E-12 cm3/molecule-sec
      Half-Life =     2.248 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    26.971 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.2E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  211.9
      Log Koc:  2.326 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.998E-002  L/mol-sec
  Kb Half-Life at pH 8:     200.670  days   
  Kb Half-Life at pH 7:       5.494  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.263 (BCF = 18.34)
       log Kow used: 2.55 (expkow database)

 Volatilization from Water:
    Henry LC:  2.08E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      37.38  hours   (1.557 days)
    Half-Life from Model Lake :      515.2  hours   (21.47 days)

 Removal In Wastewater Treatment:
    Total removal:               4.34  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     3.12  percent
    Total to Air:                1.12  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.5             54           1000       
   Water     25.9            360          1000       
   Soil      70.4            720          1000       
   Sediment  0.195           3.24e+003    0          
     Persistence Time: 448 hr