4'-Hydroxy-3,3',4,5,5',6-hexachlorobiphenyl

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  7.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  431.74  (Adapted Stein & Brown method)
    Melting Pt (deg C):  180.71  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.03E-009  (Modified Grain method)
    Subcooled liquid VP: 2.52E-007 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.01281
       log Kow used: 7.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.048889 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.12E-009  atm-m3/mole
   Group Method:   1.99E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.334E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.14  (KowWin est)
  Log Kaw used:  -6.536  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.676
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.4106
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.1831  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.3516  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.2832
   Biowin6 (MITI Non-Linear Model):   0.0001
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7831
 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):  3.36E-005 Pa (2.52E-007 mm Hg)
  Log Koa (Koawin est  ): 13.676
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0893 
       Octanol/air (Koa) model:  11.6 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.763 
       Mackay model           :  0.877 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.4406 E-12 cm3/molecule-sec
      Half-Life =    24.277 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.82 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.068E+005
      Log Koc:  5.315 

 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 = 4.213 (BCF = 1.633e+004)
       log Kow used: 7.14 (estimated)

 Volatilization from Water:
    Henry LC:  1.99E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 5.712E+004  hours   (2380 days)
    Half-Life from Model Lake : 6.233E+005  hours   (2.597E+004 days)

 Removal In Wastewater Treatment:
    Total removal:              93.90  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.12  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       0.0402          583          1000       
   Water     0.665           4.32e+003    1000       
   Soil      51.4            8.64e+003    1000       
   Sediment  47.9            3.89e+004    0          
     Persistence Time: 1.4e+004 hr