Tetrachloroethylene

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) =  2.97
    Log Kow (Exper. database match) =  3.40
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  114.28  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -60.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  17.8  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -22.3 deg C
    BP  (exp database):  121.3 deg C
    VP  (exp database):  1.85E+01 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  80.32
       log Kow used: 3.40 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  206 mg/L (25 deg C)
        Exper. Ref:  HORVATH,AL ET AL. (1999)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  247.12 mg/L
    Wat Sol (Exper. database match) =  206.00
       Exper. Ref:  HORVATH,AL ET AL. (1999)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Vinyl/Allyl Halides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.65E-002  atm-m3/mole
   Group Method:   1.77E-002  atm-m3/mole
   Exper Database: 1.77E-02  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.836E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.40  (exp database)
  Log Kaw used:  -0.140  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  3.540
      Log Koa (experimental database):  3.480

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2230
   Biowin2 (Non-Linear Model)     :   0.0012
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1400  (months      )
   Biowin4 (Primary Survey Model) :   3.2060  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2231
   Biowin6 (MITI Non-Linear Model):   0.0080
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7775
 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):  2.47E+003 Pa (18.5 mm Hg)
  Log Koa (Exp database): 3.480
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.22E-009 
       Octanol/air (Koa) model:  7.41E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.39E-008 
       Mackay model           :  9.73E-008 
       Octanol/air (Koa) model:  5.93E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.2139 E-12 cm3/molecule-sec
      Half-Life =    49.998 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.000073 E-17 cm3/molecule-sec
      Half-Life = 15660.362 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 7.06E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  106.8
      Log Koc:  2.029 

 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 = 1.918 (BCF = 82.79)
       log Kow used: 3.40 (expkow database)

 Volatilization from Water:
    Henry LC:  0.0177 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      1.357  hours
    Half-Life from Model Lake :      122.8  hours   (5.116 days)

 Removal In Wastewater Treatment:
    Total removal:              87.91  percent
    Total biodegradation:        0.05  percent
    Total sludge adsorption:     6.32  percent
    Total to Air:               81.53  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       29.1            1.53e+003    1000       
   Water     30.4            1.44e+003    1000       
   Soil      38.5            2.88e+003    1000       
   Sediment  2.03            1.3e+004     0          
     Persistence Time: 279 hr