Dexamethasone valerate

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) =  3.94
    Log Kow (Exper. database match) =  3.60
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  558.83  (Adapted Stein & Brown method)
    Melting Pt (deg C):  240.08  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.76E-014  (Modified Grain method)
    MP  (exp database):  183-184 deg C
    Subcooled liquid VP: 7.82E-013 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):  0.8515
       log Kow used: 3.60 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  9.29 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & VALVANI,SC (1980)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.11501 mg/L
    Wat Sol (Exper. database match) =  9.29
       Exper. Ref:  YALKOWSKY,SH & VALVANI,SC (1980)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Vinyl/Allyl Ketones

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.81E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.296E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.60  (exp database)
  Log Kaw used:  -9.131  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.731
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3987
   Biowin2 (Non-Linear Model)     :   0.0323
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0110  (months      )
   Biowin4 (Primary Survey Model) :   3.2589  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8302
   Biowin6 (MITI Non-Linear Model):   0.0055
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.9221
 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):  1.04E-010 Pa (7.82E-013 mm Hg)
  Log Koa (Koawin est  ): 12.731
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.88E+004 
       Octanol/air (Koa) model:  1.32 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.991 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  72.4463 E-12 cm3/molecule-sec
      Half-Life =     0.148 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.772 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.312500 E-17 cm3/molecule-sec
      Half-Life =     0.873 Days (at 7E11 mol/cm3)
      Half-Life =     20.955 Hrs
   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    :  175.5
      Log Koc:  2.244 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.951E-002  L/mol-sec
  Kb Half-Life at pH 8:     162.025  days   
  Kb Half-Life at pH 7:       4.436  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.072 (BCF = 118)
       log Kow used: 3.60 (expkow database)

 Volatilization from Water:
    Henry LC:  1.81E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.062E+007  hours   (2.942E+006 days)
    Half-Life from Model Lake : 7.704E+008  hours   (3.21E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              15.51  percent
    Total biodegradation:        0.20  percent
    Total sludge adsorption:    15.31  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       0.071           3.03         1000       
   Water     13.3            1.44e+003    1000       
   Soil      85.1            2.88e+003    1000       
   Sediment  1.48            1.3e+004     0          
     Persistence Time: 1.75e+003 hr