2-Heptanethiol

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) =  3.65

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  161.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -51.16  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.32  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  68.87
       log Kow used: 3.65 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  46.167 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.43E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.863E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.65  (KowWin est)
  Log Kaw used:  -0.233  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.883
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7930
   Biowin2 (Non-Linear Model)     :   0.9514
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2052  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9260  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4665
   Biowin6 (MITI Non-Linear Model):   0.5901
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2973
 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):  281 Pa (2.11 mm Hg)
  Log Koa (Koawin est  ): 3.883
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.07E-008 
       Octanol/air (Koa) model:  1.87E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.85E-007 
       Mackay model           :  8.53E-007 
       Octanol/air (Koa) model:  1.5E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  56.8349 E-12 cm3/molecule-sec
      Half-Life =     0.188 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.258 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 6.19E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  424.8
      Log Koc:  2.628 

 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 = 2.110 (BCF = 128.8)
       log Kow used: 3.65 (estimated)

 Volatilization from Water:
    Henry LC:  0.0143 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.221  hours
    Half-Life from Model Lake :      109.8  hours   (4.573 days)

 Removal In Wastewater Treatment:
    Total removal:              86.04  percent
    Total biodegradation:        0.07  percent
    Total sludge adsorption:    10.44  percent
    Total to Air:               75.52  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.92            4.52         1000       
   Water     28.7            360          1000       
   Soil      67.6            720          1000       
   Sediment  1.74            3.24e+003    0          
     Persistence Time: 216 hr