4-Methylphenanthrene

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) =  4.89
    Log Kow (Exper. database match) =  5.08
       Exper. Ref:  Wang,L et al. (1986)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  339.75  (Adapted Stein & Brown method)
    Melting Pt (deg C):  93.61  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.45E-005  (Modified Grain method)
    MP  (exp database):  123 deg C
    VP  (exp database):  1.50E-05 mm Hg at 25 deg C
    Subcooled liquid VP: 0.00014 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):  0.1706
       log Kow used: 5.08 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.269 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.30853 mg/L
    Wat Sol (Exper. database match) =  0.27
       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 :   5.67E-005  atm-m3/mole
   Group Method:   2.74E-005  atm-m3/mole
   Exper Database: 4.93E-05  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.633E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.08  (exp database)
  Log Kaw used:  -2.696  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  7.776
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7107
   Biowin2 (Non-Linear Model)     :   0.7018
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6994  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5018  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2556
   Biowin6 (MITI Non-Linear Model):   0.1630
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3946
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.3790
     BioHC Half-Life (days)     :  23.9308

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0187 Pa (0.00014 mm Hg)
  Log Koa (Koawin est  ): 7.776
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000161 
       Octanol/air (Koa) model:  1.47E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00577 
       Mackay model           :  0.0127 
       Octanol/air (Koa) model:  0.00117 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  34.0738 E-12 cm3/molecule-sec
      Half-Life =     0.314 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.767 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00923 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.444E+004
      Log Koc:  4.537 

 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 = 3.212 (BCF = 1628)
       log Kow used: 5.08 (expkow database)

 Volatilization from Water:
    Henry LC:  4.93E-005 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      17.88  hours
    Half-Life from Model Lake :      311.3  hours   (12.97 days)

 Removal In Wastewater Treatment:
    Total removal:              80.23  percent
    Total biodegradation:        0.69  percent
    Total sludge adsorption:    79.15  percent
    Total to Air:                0.40  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.273           7.53         1000       
   Water     9.93            900          1000       
   Soil      62.8            1.8e+003     1000       
   Sediment  27              8.1e+003     0          
     Persistence Time: 1.38e+003 hr