2,2',4,5'-PCB

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) =  6.34
    Log Kow (Exper. database match) =  6.22
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  359.51  (Adapted Stein & Brown method)
    Melting Pt (deg C):  122.32  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.45E-006  (Modified Grain method)
    VP  (exp database):  8.48E-06 mm Hg at 25 deg C
    Subcooled liquid VP: 7.78E-005 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):  0.06665
       log Kow used: 6.22 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.0781 mg/L (20 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.032245 mg/L
    Wat Sol (Exper. database match) =  0.08
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.25E-004  atm-m3/mole
   Group Method:   2.23E-004  atm-m3/mole
   Exper Database: 2.10E-04  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.871E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.22  (exp database)
  Log Kaw used:  -2.066  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  8.286
      Log Koa (experimental database):  8.390

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.1211
   Biowin2 (Non-Linear Model)     :   0.0001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7275  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.7651  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0825
   Biowin6 (MITI Non-Linear Model):   0.0023
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.3456
 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):  0.0104 Pa (7.78E-005 mm Hg)
  Log Koa (Exp database): 8.390
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000289 
       Octanol/air (Koa) model:  6.03E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0103 
       Mackay model           :  0.0226 
       Octanol/air (Koa) model:  0.0048 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.7718 E-12 cm3/molecule-sec
      Half-Life =    13.859 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0165 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4.482E+004
      Log Koc:  4.651 

 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 = 4.709 (BCF = 5.122e+004)
       log Kow used: 6.22 (expkow database)

 Volatilization from Water:
    Henry LC:  0.00021 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      6.508  hours
    Half-Life from Model Lake :      214.3  hours   (8.928 days)

 Removal In Wastewater Treatment:
    Total removal:              92.92  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.02  percent
    Total to Air:                0.12  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.35            333          1000       
   Water     1.19            4.32e+003    1000       
   Soil      48.7            8.64e+003    1000       
   Sediment  49.7            3.89e+004    0          
     Persistence Time: 8.77e+003 hr