Dibenzylmethane

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) =  5.23

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  300.18  (Adapted Stein & Brown method)
    Melting Pt (deg C):  50.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00192  (Modified Grain method)
    MP  (exp database):  6 deg C
    BP  (exp database):  300.3 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.56
       log Kow used: 5.23 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.31083 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.46E-004  atm-m3/mole
   Group Method:   2.62E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.179E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.23  (KowWin est)
  Log Kaw used:  -1.461  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.691
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0196
   Biowin2 (Non-Linear Model)     :   0.9931
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6597  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4373  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1484
   Biowin6 (MITI Non-Linear Model):   0.1469
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1006
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.1629
     BioHC Half-Life (days)     :  14.5518

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.256 Pa (0.00192 mm Hg)
  Log Koa (Koawin est  ): 6.691
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.17E-005 
       Octanol/air (Koa) model:  1.21E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000423 
       Mackay model           :  0.000937 
       Octanol/air (Koa) model:  9.64E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  13.4008 E-12 cm3/molecule-sec
      Half-Life =     0.798 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     9.578 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00068 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.841E+004
      Log Koc:  4.584 

 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 = 3.327 (BCF = 2125)
       log Kow used: 5.23 (estimated)

 Volatilization from Water:
    Henry LC:  0.000262 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      4.561  hours
    Half-Life from Model Lake :      167.2  hours   (6.968 days)

 Removal In Wastewater Treatment:
    Total removal:              84.20  percent
    Total biodegradation:        0.70  percent
    Total sludge adsorption:    82.19  percent
    Total to Air:                1.31  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.719           19.2         1000       
   Water     7.47            900          1000       
   Soil      64              1.8e+003     1000       
   Sediment  27.9            8.1e+003     0          
     Persistence Time: 1.35e+003 hr