CAS Num: 001679-09-0
SMILES : SC(CC)(C)C
CHEM   : 2-Butanethiol, 2-methyl-
MOL FOR: C5 H12 S1 
MOL WT : 104.21
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Water Solubility (mg/L):   ------
    Vapor Pressure (mm Hg) :   ------
    Henry LC (atm-m3/mole) :   ------
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------

 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.63

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  107.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -69.58  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  38.9  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  5.19E+003  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  99.1 deg C
    VP  (exp database):  4.79E+01 mm Hg (6.39E+003 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  645.2
       log Kow used: 2.63 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  633.52 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Thiols and Mercaptans

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   8.12E-003  atm-m3/mole  (8.22E+002 Pa-m3/mole)
   Group Method:   Incomplete
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  8.267E-003 atm-m3/mole  (8.377E+002 Pa-m3/mole)
      VP:   38.9 mm Hg (source: MPBPVP)
      WS:   645 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.63  (KowWin est)
  Log Kaw used:  -0.479  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.109
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5140
   Biowin2 (Non-Linear Model)     :   0.4516
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7568  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5439  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5204
   Biowin6 (MITI Non-Linear Model):   0.5996
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2891
 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):  6.39E+003 Pa (47.9 mm Hg)
  Log Koa (Koawin est  ): 3.109
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.7E-010 
       Octanol/air (Koa) model:  3.16E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.7E-008 
       Mackay model           :  3.76E-008 
       Octanol/air (Koa) model:  2.52E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  34.1507 E-12 cm3/molecule-sec
      Half-Life =     0.313 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.758 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      2.73E-008 (Junge-Pankow, Mackay avg)
      2.52E-008 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  86.03  L/kg (MCI method)
      Log Koc:  1.935       (MCI method)
      Koc    :  191.5  L/kg (Kow method)
      Log Koc:  2.282       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates (BCFBAF v3.00):
   Log BCF from regression-based method = 1.402 (BCF = 25.23 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.5351 days (HL = 0.2917 days)
   Log BCF Arnot-Gobas method (upper trophic) = 1.509 (BCF = 32.28)
   Log BAF Arnot-Gobas method (upper trophic) = 1.509 (BAF = 32.28)
       log Kow used: 2.63 (estimated)

 Volatilization from Water:
    Henry LC:  0.00812 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.115  hours
    Half-Life from Model Lake :      97.76  hours   (4.073 days)

 Removal In Wastewater Treatment:
    Total removal:              76.41  percent
    Total biodegradation:        0.04  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:               74.60  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       8.31            7.52         1000       
   Water     67.1            360          1000       
   Soil      24.3            720          1000       
   Sediment  0.356           3.24e+003    0          
     Persistence Time: 93.5 hr