Buspirone

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) =  2.31
    Log Kow (Exper. database match) =  2.63
       Exper. Ref:  Takacs-Novak,K (1995) (in press)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  580.95  (Adapted Stein & Brown method)
    Melting Pt (deg C):  250.41  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.17E-013  (Modified Grain method)
    Subcooled liquid VP: 2.31E-010 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):  21.35
       log Kow used: 2.63 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2714.2 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 :   1.54E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.941E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.63  (exp database)
  Log Kaw used:  -11.201  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.831
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.0304
   Biowin2 (Non-Linear Model)     :   0.0002
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.6255  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.5621  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1172
   Biowin6 (MITI Non-Linear Model):   0.0043
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -3.0303
 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):  3.08E-008 Pa (2.31E-010 mm Hg)
  Log Koa (Koawin est  ): 13.831
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  97.4 
       Octanol/air (Koa) model:  16.6 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 164.5844 E-12 cm3/molecule-sec
      Half-Life =     0.065 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.780 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    :  5922
      Log Koc:  3.772 

 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 = 1.325 (BCF = 21.14)
       log Kow used: 2.63 (expkow database)

 Volatilization from Water:
    Henry LC:  1.54E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.465E+009  hours   (3.11E+008 days)
    Half-Life from Model Lake : 8.143E+010  hours   (3.393E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               3.52  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.42  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       0.00235         1.56         1000       
   Water     10.7            4.32e+003    1000       
   Soil      89.2            8.64e+003    1000       
   Sediment  0.126           3.89e+004    0          
     Persistence Time: 4.84e+003 hr