Dichlorfenthion

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) =  5.20
    Log Kow (Exper. database match) =  5.14
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  353.30  (Adapted Stein & Brown method)
    Melting Pt (deg C):  32.87  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.37E-005  (Modified Grain method)
    BP  (exp database):  164-169 @ 0.1 mm Hg deg C
    VP  (exp database):  5.60E-04 mm Hg at 25 deg C
    Subcooled liquid VP: 0.00067 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.408
       log Kow used: 5.14 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.245 mg/L (25 deg C)
        Exper. Ref:  CHIOU,CT ET AL. (1977)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.93351 mg/L
    Wat Sol (Exper. database match) =  0.25
       Exper. Ref:  CHIOU,CT ET AL. (1977)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Esters (phosphate)
       Nearest analog analysis: pesticides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.12E-005  atm-m3/mole
   Group Method:   Incomplete
   Exper Database: 9.48E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  9.523E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.14  (exp database)
  Log Kaw used:  -1.412  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  6.552
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5466
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2433  (months      )
   Biowin4 (Primary Survey Model) :   3.5277  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0659
   Biowin6 (MITI Non-Linear Model):   0.0097
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1651
 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):  0.0893 Pa (0.00067 mm Hg)
  Log Koa (Koawin est  ): 6.552
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.36E-005 
       Octanol/air (Koa) model:  8.75E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00121 
       Mackay model           :  0.00268 
       Octanol/air (Koa) model:  7E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  92.3373 E-12 cm3/molecule-sec
      Half-Life =     0.116 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.390 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00195 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4131
      Log Koc:  3.616 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 3.258 (BCF = 1811)
       log Kow used: 5.14 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000948 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      2.908  hours
    Half-Life from Model Lake :      180.6  hours   (7.524 days)

 Removal In Wastewater Treatment:
    Total removal:              83.39  percent
    Total biodegradation:        0.65  percent
    Total sludge adsorption:    78.07  percent
    Total to Air:                4.66  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.106           2.78         1000       
   Water     5.02            1.44e+003    1000       
   Soil      74.2            2.88e+003    1000       
   Sediment  20.7            1.3e+004     0          
     Persistence Time: 1.85e+003 hr