Pentacosane

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) =  12.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  392.44  (Adapted Stein & Brown method)
    Melting Pt (deg C):  106.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.63E-006  (Modified Grain method)
    MP  (exp database):  54 deg C
    BP  (exp database):  401.9 deg C
    VP  (exp database):  1.51E-06 mm Hg at 25 deg C
    Subcooled liquid VP: 2.92E-006 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):  2.899e-008
       log Kow used: 12.62 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.5269e-007 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.72E+002  atm-m3/mole
   Group Method:   1.20E+003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.542E+002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  12.62  (KowWin est)
  Log Kaw used:  4.182  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.438
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7965
   Biowin2 (Non-Linear Model)     :   0.8439
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0164  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8770  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8003
   Biowin6 (MITI Non-Linear Model):   0.9056
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6393
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.8232
     BioHC Half-Life (days)     :  66.5618

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.000389 Pa (2.92E-006 mm Hg)
  Log Koa (Koawin est  ): 8.438
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00771 
       Octanol/air (Koa) model:  6.73E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.218 
       Mackay model           :  0.381 
       Octanol/air (Koa) model:  0.00535 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  32.3062 E-12 cm3/molecule-sec
      Half-Life =     0.331 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.973 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.3 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.676E+007
      Log Koc:  7.224 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 12.62 (estimated)

 Volatilization from Water:
    Henry LC:  372 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.916  hours
    Half-Life from Model Lake :      178.4  hours   (7.432 days)

 Removal In Wastewater Treatment:
    Total removal:              94.05  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.20  percent
    Total to Air:                0.07  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.275           7.95         1000       
   Water     3.73            360          1000       
   Soil      28              720          1000       
   Sediment  68              3.24e+003    0          
     Persistence Time: 1.24e+003 hr