Dihomo-γ-Linolenic Acid ethyl ester

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) =  9.06

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  394.52  (Adapted Stein & Brown method)
    Melting Pt (deg C):  104.16  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.9E-006  (Modified Grain method)
    Subcooled liquid VP: 1.13E-005 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):  0.0001408
       log Kow used: 9.06 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.00034516 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.60E-002  atm-m3/mole
   Group Method:   1.44E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.940E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.06  (KowWin est)
  Log Kaw used:  0.027  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.033
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8709
   Biowin2 (Non-Linear Model)     :   0.9850
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8984  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8631  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7410
   Biowin6 (MITI Non-Linear Model):   0.7516
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4278
 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):  0.00151 Pa (1.13E-005 mm Hg)
  Log Koa (Koawin est  ): 9.033
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00199 
       Octanol/air (Koa) model:  0.000265 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0671 
       Mackay model           :  0.137 
       Octanol/air (Koa) model:  0.0207 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 185.1779 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 207.9778 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    0.693 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    0.617 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    39.000000 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =    60.000000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     0.705 Hrs (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =     0.458 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.102 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.918E+005
      Log Koc:  5.593 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.848E-002  L/mol-sec
  Kb Half-Life at pH 8:     281.632  days   
  Kb Half-Life at pH 7:       7.711  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 9.06 (estimated)

 Volatilization from Water:
    Henry LC:  0.00144 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       2.61  hours
    Half-Life from Model Lake :      181.8  hours   (7.577 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.018           0.467        1000       
   Water     3.75            360          1000       
   Soil      28              720          1000       
   Sediment  68.2            3.24e+003    0          
     Persistence Time: 1.24e+003 hr