3-Hydroxy-2,4,4-trimethylpentyl 2-methylpropanoate

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) =  3.00

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  258.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  24.81  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00189  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  321.5
       log Kow used: 3.00 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1360.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.21E-008  atm-m3/mole
   Group Method:   1.07E-007  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.673E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.00  (KowWin est)
  Log Kaw used:  -5.474  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.474
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7935
   Biowin2 (Non-Linear Model)     :   0.9680
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8092  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7406  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5409
   Biowin6 (MITI Non-Linear Model):   0.5931
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1425
 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):  0.251 Pa (0.00188 mm Hg)
  Log Koa (Koawin est  ): 8.474
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.2E-005 
       Octanol/air (Koa) model:  7.31E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000432 
       Mackay model           :  0.000957 
       Octanol/air (Koa) model:  0.00582 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  16.7908 E-12 cm3/molecule-sec
      Half-Life =     0.637 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.644 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000694 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  21.67
      Log Koc:  1.336 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.383E-002  L/mol-sec
  Kb Half-Life at pH 8:     336.653  days   
  Kb Half-Life at pH 7:       9.217  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.607 (BCF = 40.49)
       log Kow used: 3.00 (estimated)

 Volatilization from Water:
    Henry LC:  1.07E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       8049  hours   (335.4 days)
    Half-Life from Model Lake : 8.793E+004  hours   (3664 days)

 Removal In Wastewater Treatment:
    Total removal:               5.70  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     5.57  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.751           15.3         1000       
   Water     21.8            360          1000       
   Soil      77.1            720          1000       
   Sediment  0.364           3.24e+003    0          
     Persistence Time: 557 hr