18-Hydroxyoctadecyl acetate

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  7.26

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  404.05  (Adapted Stein & Brown method)
    Melting Pt (deg C):  133.71  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.14E-008  (Modified Grain method)
    Subcooled liquid VP: 1.41E-007 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):  0.01711
       log Kow used: 7.26 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0090194 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.92E-007  atm-m3/mole
   Group Method:   4.55E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.880E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.26  (KowWin est)
  Log Kaw used:  -4.490  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.750
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9240
   Biowin2 (Non-Linear Model)     :   0.9718
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7733  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7321  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.1295
   Biowin6 (MITI Non-Linear Model):   0.9858
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.5289
 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):  1.88E-005 Pa (1.41E-007 mm Hg)
  Log Koa (Koawin est  ): 11.750
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.16 
       Octanol/air (Koa) model:  0.138 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.852 
       Mackay model           :  0.927 
       Octanol/air (Koa) model:  0.917 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  28.6499 E-12 cm3/molecule-sec
      Half-Life =     0.373 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.480 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.89 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  6133
      Log Koc:  3.788 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.568E-002  L/mol-sec
  Kb Half-Life at pH 8:     175.623  days   
  Kb Half-Life at pH 7:       4.808  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.958 (BCF = 907.6)
       log Kow used: 7.26 (estimated)

 Volatilization from Water:
    Henry LC:  4.55E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       2334  hours   (97.26 days)
    Half-Life from Model Lake : 2.562E+004  hours   (1067 days)

 Removal In Wastewater Treatment:
    Total removal:              93.93  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.15  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       0.223           8.96         1000       
   Water     3.8             360          1000       
   Soil      32              720          1000       
   Sediment  63.9            3.24e+003    0          
     Persistence Time: 1.31e+003 hr