Dibutyl terephthalate

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) =  4.61
    Log Kow (Exper. database match) =  5.53
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  337.89  (Adapted Stein & Brown method)
    Melting Pt (deg C):  6.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000255  (Modified Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.3102
       log Kow used: 5.53 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.95 mg/L (25 deg C)
        Exper. Ref:  DEFOE,DL ET AL. (1990)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6.4114 mg/L
    Wat Sol (Exper. database match) =  0.95
       Exper. Ref:  DEFOE,DL ET AL. (1990)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.22E-006  atm-m3/mole
   Group Method:   4.45E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.011E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.53  (exp database)
  Log Kaw used:  -4.302  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.832
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1803
   Biowin2 (Non-Linear Model)     :   1.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.4612  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.4422  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9017
   Biowin6 (MITI Non-Linear Model):   0.9226
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1594
 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):  0.034 Pa (0.000255 mm Hg)
  Log Koa (Koawin est  ): 9.832
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.82E-005 
       Octanol/air (Koa) model:  0.00167 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00318 
       Mackay model           :  0.00701 
       Octanol/air (Koa) model:  0.118 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   9.2770 E-12 cm3/molecule-sec
      Half-Life =     1.153 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    13.836 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00509 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1430
      Log Koc:  3.155 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.143E-001  L/mol-sec
  Kb Half-Life at pH 8:      25.521  days   
  Kb Half-Life at pH 7:     255.206  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 3.558 (BCF = 3615)
       log Kow used: 5.53 (expkow database)

 Volatilization from Water:
    Henry LC:  4.45E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       2197  hours   (91.53 days)
    Half-Life from Model Lake :  2.41E+004  hours   (1004 days)

 Removal In Wastewater Treatment:
    Total removal:              88.65  percent
    Total biodegradation:        0.75  percent
    Total sludge adsorption:    87.90  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       1.83            27.7         1000       
   Water     15.1            208          1000       
   Soil      51.6            416          1000       
   Sediment  31.5            1.87e+003    0          
     Persistence Time: 439 hr