3'-HYDROXYPENTOBARBITAL, (1'R,3'S)-(±)-

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) =  0.47
    Log Kow (Exper. database match) =  0.35
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  568.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  244.54  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.02E-015  (Modified Grain method)
    Subcooled liquid VP: 1.44E-012 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):  1.311e+004
       log Kow used: 0.35 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  29418 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.09E-017  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.464E-019 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.35  (exp database)
  Log Kaw used:  -14.898  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.248
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6070
   Biowin2 (Non-Linear Model)     :   0.2617
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6116  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4742  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2188
   Biowin6 (MITI Non-Linear Model):   0.0872
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1162
 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):  1.92E-010 Pa (1.44E-012 mm Hg)
  Log Koa (Koawin est  ): 15.248
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.56E+004 
       Octanol/air (Koa) model:  435 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  25.3554 E-12 cm3/molecule-sec
      Half-Life =     0.422 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.062 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: 0.35 (expkow database)

 Volatilization from Water:
    Henry LC:  3.09E-017 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.949E+013  hours   (1.229E+012 days)
    Half-Life from Model Lake : 3.217E+014  hours   (1.341E+013 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       0.000428        10.1         1000       
   Water     45              900          1000       
   Soil      54.9            1.8e+003     1000       
   Sediment  0.0882          8.1e+003     0          
     Persistence Time: 992 hr