1,4-Diethylbenzene

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) =  4.07
    Log Kow (Exper. database match) =  4.58
       Exper. Ref:  Sherblom,PM & Eganhouse,RP (1988)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  190.75  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -17.02  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.92  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -42.83 deg C
    BP  (exp database):  181 deg C
    VP  (exp database):  1.06E+00 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  10.85
       log Kow used: 4.58 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  24.8 mg/L (20 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
     Water Sol (Exper. database match) =  31.9 mg/L (20 deg C)
        Exper. Ref:  SHAW,DG (1989)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  17.262 mg/L
    Wat Sol (Exper. database match) =  24.80
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)
    Wat Sol (Exper. database match) =  31.90
       Exper. Ref:  SHAW,DG (1989)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.16E-002  atm-m3/mole
   Group Method:   1.47E-002  atm-m3/mole
   Exper Database: 7.55E-03  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.497E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.58  (exp database)
  Log Kaw used:  -0.511  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  5.091
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7930
   Biowin2 (Non-Linear Model)     :   0.9052
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7529  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5170  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2351
   Biowin6 (MITI Non-Linear Model):   0.2537
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0516
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.7348
     BioHC Half-Life (days)     :   5.4306

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  141 Pa (1.06 mm Hg)
  Log Koa (Koawin est  ): 5.091
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.12E-008 
       Octanol/air (Koa) model:  3.03E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.67E-007 
       Mackay model           :  1.7E-006 
       Octanol/air (Koa) model:  2.42E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.1054 E-12 cm3/molecule-sec
      Half-Life =     1.320 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    15.835 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.23E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1620
      Log Koc:  3.210 

 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 = 2.827 (BCF = 670.8)
       log Kow used: 4.58 (expkow database)

 Volatilization from Water:
    Henry LC:  0.00755 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      1.272  hours
    Half-Life from Model Lake :        111  hours   (4.626 days)

 Removal In Wastewater Treatment:
    Total removal:              84.78  percent
    Total biodegradation:        0.28  percent
    Total sludge adsorption:    44.99  percent
    Total to Air:               39.50  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.73            31.7         1000       
   Water     14.6            360          1000       
   Soil      75.1            720          1000       
   Sediment  6.65            3.24e+003    0          
     Persistence Time: 425 hr