1-Hexyl-2-methylbenzene

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  5.54

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  247.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  16.50  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0308  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.059
       log Kow used: 5.54 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.55524 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.71E-002  atm-m3/mole
   Group Method:   3.79E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  6.747E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.54  (KowWin est)
  Log Kaw used:  0.045  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.495
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8814
   Biowin2 (Non-Linear Model)     :   0.9708
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9582  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7254  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4043
   Biowin6 (MITI Non-Linear Model):   0.4592
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3325
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.9568
     BioHC Half-Life (days)     :   9.0530

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  4 Pa (0.03 mm Hg)
  Log Koa (Koawin est  ): 5.495
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.5E-007 
       Octanol/air (Koa) model:  7.67E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.71E-005 
       Mackay model           :  6E-005 
       Octanol/air (Koa) model:  6.14E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  13.0416 E-12 cm3/molecule-sec
      Half-Life =     0.820 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     9.842 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.35E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  9907
      Log Koc:  3.996 

 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 = 3.568 (BCF = 3700)
       log Kow used: 5.54 (estimated)

 Volatilization from Water:
    Henry LC:  0.0379 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.375  hours
    Half-Life from Model Lake :      126.3  hours   (5.264 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              95.96  percent
    Total biodegradation:        0.37  percent
    Total sludge adsorption:    67.40  percent
    Total to Air:               28.18  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.72            19.7         1000       
   Water     9.71            360          1000       
   Soil      55.4            720          1000       
   Sediment  33.2            3.24e+003    0          
     Persistence Time: 598 hr