1-{3-[(8aR)-1,3-Dioxohexahydroimidazo[1,5-a]pyridin-2(3H)-yl]propyl}-4-(2-methylphenyl)piperazin-1-ium

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) =  3.02

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  549.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  235.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.85E-012  (Modified Grain method)
    Subcooled liquid VP: 1.48E-009 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):  12.28
       log Kow used: 3.02 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  7.6249 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Aliphatic Amines
       Imides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.12E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.116E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.02  (KowWin est)
  Log Kaw used:  -12.679  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.699
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2153
   Biowin2 (Non-Linear Model)     :   0.0022
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7960  (months      )
   Biowin4 (Primary Survey Model) :   2.6687  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1669
   Biowin6 (MITI Non-Linear Model):   0.0024
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.9098
 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):  1.97E-007 Pa (1.48E-009 mm Hg)
  Log Koa (Koawin est  ): 15.699
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  15.2 
       Octanol/air (Koa) model:  1.23E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 324.0473 E-12 cm3/molecule-sec
      Half-Life =     0.033 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.765 Min
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.999 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.289E+004
      Log Koc:  4.110 

 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 = 1.625 (BCF = 42.13)
       log Kow used: 3.02 (estimated)

 Volatilization from Water:
    Henry LC:  5.12E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.201E+011  hours   (9.171E+009 days)
    Half-Life from Model Lake : 2.401E+012  hours   (1E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               5.86  percent
    Total biodegradation:        0.13  percent
    Total sludge adsorption:     5.74  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       2.45e-005       0.792        1000       
   Water     10.6            1.44e+003    1000       
   Soil      89.1            2.88e+003    1000       
   Sediment  0.279           1.3e+004     0          
     Persistence Time: 2.69e+003 hr