2-Mercapto-2-methylpentan-4-one

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) =  1.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  173.54  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -19.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.32  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.097e+004
       log Kow used: 1.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9158.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.11E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.093E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.07  (KowWin est)
  Log Kaw used:  -3.775  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.845
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5075
   Biowin2 (Non-Linear Model)     :   0.2602
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6724  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4813  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5548
   Biowin6 (MITI Non-Linear Model):   0.6056
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1028
 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):  160 Pa (1.2 mm Hg)
  Log Koa (Koawin est  ): 4.845
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.87E-008 
       Octanol/air (Koa) model:  1.72E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.77E-007 
       Mackay model           :  1.5E-006 
       Octanol/air (Koa) model:  1.37E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.7982 E-12 cm3/molecule-sec
      Half-Life =     0.316 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.798 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.09E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.58
      Log Koc:  1.192 

 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 = 0.125 (BCF = 1.332)
       log Kow used: 1.07 (estimated)

 Volatilization from Water:
    Henry LC:  4.11E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:        165  hours   (6.874 days)
    Half-Life from Model Lake :       1896  hours   (79.01 days)

 Removal In Wastewater Treatment:
    Total removal:               2.12  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.80  percent
    Total to Air:                0.23  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.659           7.6          1000       
   Water     48.7            900          1000       
   Soil      50.5            1.8e+003     1000       
   Sediment  0.104           8.1e+003     0          
     Persistence Time: 580 hr