CAS Number: 345-92-6
SMILES : O=C(c(ccc(F)c1)c1)c(ccc(F)c2)c2
CHEM   : 4,4'-Difluorobenzophenone
MOL FOR: C13 H8 F2 O1 
MOL WT : 218.20
------------------------------ EPI SUMMARY (v4.11) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.68 estimate) =  3.55
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  292.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  74.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000494  (Modified Grain method)
    VP (Pa, 25 deg C) :  0.0658  (Modified Grain method)
    MP  (exp database):  103.5 deg C
    Subcooled liquid VP: 0.00289 mm Hg (25 deg C, Mod-Grain method)
                       : 0.385 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.42):
    Water Solubility at 25 deg C (mg/L):  32.84
       log Kow used: 3.55 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  123.74 mg/L
 
 ECOSAR Class Program (ECOSAR v1.11):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   2.64E-006  atm-m3/mole  (2.68E-001 Pa-m3/mole)
   Group Method:   Incomplete
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  4.319E-006 atm-m3/mole  (4.376E-001 Pa-m3/mole)
      VP:   0.000494 mm Hg (source: MPBPVP)
      WS:   32.8 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.55  (KowWin est)
  Log Kaw used:  -3.967  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.517
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.9695
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8806  (months      )
   Biowin4 (Primary Survey Model) :   3.5376  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2812
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3192
 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):  0.385 Pa (0.00289 mm Hg)
  Log Koa (Koawin est  ): 7.517
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.79E-006 
       Octanol/air (Koa) model:  8.07E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000281 
       Mackay model           :  0.000622 
       Octanol/air (Koa) model:  0.000645 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   4.4530 E-12 cm3/molecule-sec
      Half-Life =     2.402 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    28.824 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      0.000452 (Junge-Pankow, Mackay avg)
      0.000645 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  2927  L/kg (MCI method)
      Log Koc:  3.466       (MCI method)
      Koc    :  1214  L/kg (Kow method)
      Log Koc:  3.084       (Kow method)
 
 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!
 
 Bioaccumulation Estimates (BCFBAF v3.01):
   Log BCF from regression-based method = 1.423 (BCF = 26.47 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 0.6410 days (HL = 4.376 days)
   Log BCF Arnot-Gobas method (upper trophic) = 2.492 (BCF = 310.5)
   Log BAF Arnot-Gobas method (upper trophic) = 2.493 (BAF = 311.5)
       log Kow used: 3.55 (estimated)
 
 Volatilization from Water:
    Henry LC:  2.64E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      329.1  hours   (13.71 days)
    Half-Life from Model Lake :       3714  hours   (154.8 days)
 
 Removal In Wastewater Treatment:
    Total removal:              14.34  percent
    Total biodegradation:        0.19  percent
    Total sludge adsorption:    14.02  percent
    Total to Air:                0.13  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.848           57.6         1000       
   Water     13.4            1.44e+003    1000       
   Soil      83              2.88e+003    1000       
   Sediment  2.79            1.3e+004     0          
     Persistence Time: 1.71e+003 hr