Methyl 2,3-dichlorobutanoate

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) =  1.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  171.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -34.26  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.47  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2081
       log Kow used: 1.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6081.9 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:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.590E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.72  (KowWin est)
  Log Kaw used:  -2.805  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.525
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6175
   Biowin2 (Non-Linear Model)     :   0.7219
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6151  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6287  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4487
   Biowin6 (MITI Non-Linear Model):   0.1971
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4878
 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):  177 Pa (1.33 mm Hg)
  Log Koa (Koawin est  ): 4.525
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.69E-008 
       Octanol/air (Koa) model:  8.22E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.11E-007 
       Mackay model           :  1.35E-006 
       Octanol/air (Koa) model:  6.58E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.5326 E-12 cm3/molecule-sec
      Half-Life =    20.082 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 9.82E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  30.91
      Log Koc:  1.490 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.973E+000  L/mol-sec
  Kb Half-Life at pH 8:       1.613  days   
  Kb Half-Life at pH 7:      16.132  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.622 (BCF = 4.184)
       log Kow used: 1.72 (estimated)

 Volatilization from Water:
    Henry LC:  3.83E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      21.33  hours
    Half-Life from Model Lake :      342.3  hours   (14.26 days)

 Removal In Wastewater Treatment:
    Total removal:               4.06  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.93  percent
    Total to Air:                2.03  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       6.73            482          1000       
   Water     35.4            900          1000       
   Soil      57.8            1.8e+003     1000       
   Sediment  0.104           8.1e+003     0          
     Persistence Time: 618 hr