Methyl stearate

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) =  8.23
    Log Kow (Exper. database match) =  8.35
       Exper. Ref:  Krop,HB et al. (1997)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  348.99  (Adapted Stein & Brown method)
    Melting Pt (deg C):  81.59  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.28E-005  (Modified Grain method)
    MP  (exp database):  39.1 deg C
    BP  (exp database):  370 deg C
    VP  (exp database):  1.36E-05 mm Hg at 25 deg C
    Subcooled liquid VP: 1.87E-005 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.0009266
       log Kow used: 8.35 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0011617 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.63E-002  atm-m3/mole
   Group Method:   2.94E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.390E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.35  (exp database)
  Log Kaw used:  -0.176  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.526
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8880
   Biowin2 (Non-Linear Model)     :   0.9909
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9780  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9151  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9593
   Biowin6 (MITI Non-Linear Model):   0.9632
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9469
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.00249 Pa (1.87E-005 mm Hg)
  Log Koa (Koawin est  ): 8.526
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0012 
       Octanol/air (Koa) model:  8.24E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0416 
       Mackay model           :  0.0878 
       Octanol/air (Koa) model:  0.00655 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.6725 E-12 cm3/molecule-sec
      Half-Life =     0.494 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.922 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0647 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  6.244E+004
      Log Koc:  4.795 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.016E-002  L/mol-sec
  Kb Half-Life at pH 8:     266.000  days   
  Kb Half-Life at pH 7:       7.283  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.460 (BCF = 28.87)
       log Kow used: 8.35 (expkow database)

 Volatilization from Water:
    Henry LC:  0.0294 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.797  hours
    Half-Life from Model Lake :      164.5  hours   (6.853 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.17  percent
    Total to Air:                0.10  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.392           11.8         1000       
   Water     3.75            360          1000       
   Soil      28              720          1000       
   Sediment  67.8            3.24e+003    0          
     Persistence Time: 1.24e+003 hr