CAS Num: 000629-45-8
SMILES : S(SCCCC)CCCC
CHEM   : Disulfide, dibutyl
MOL FOR: C8 H18 S2 
MOL WT : 178.35
------------------------------ 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) =  4.82

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  238.40  (Adapted Stein & Brown method)
    Melting Pt (deg C):  0.55  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0504  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  6.72  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  117 @ 20 mm Hg deg C
    VP  (exp database):  6.32E-02 mm Hg (8.43E+000 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  4.292
       log Kow used: 4.82 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.256 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   6.64E-003  atm-m3/mole  (6.73E+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:  2.756E-003 atm-m3/mole  (2.792E+002 Pa-m3/mole)
      VP:   0.0504 mm Hg (source: MPBPVP)
      WS:   4.29 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.82  (KowWin est)
  Log Kaw used:  -0.566  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.386
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8795
   Biowin2 (Non-Linear Model)     :   0.9847
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.4017  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.1286  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4789
   Biowin6 (MITI Non-Linear Model):   0.4982
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1974
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.8272
     BioHC Half-Life (days)     :   6.7175

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  8.43 Pa (0.0632 mm Hg)
  Log Koa (Koawin est  ): 5.386
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.56E-007 
       Octanol/air (Koa) model:  5.97E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.29E-005 
       Mackay model           :  2.85E-005 
       Octanol/air (Koa) model:  4.78E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 248.3799 E-12 cm3/molecule-sec
      Half-Life =     0.043 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.517 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      2.07E-005 (Junge-Pankow, Mackay avg)
      4.78E-006 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1451  L/kg (MCI method)
      Log Koc:  3.162       (MCI method)
      Koc    :  1.524E+004  L/kg (Kow method)
      Log Koc:  4.183       (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 = 1.507 (BCF = 32.12 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 0.1905 days (HL = 1.551 days)
   Log BCF Arnot-Gobas method (upper trophic) = 2.769 (BCF = 587.4)
   Log BAF Arnot-Gobas method (upper trophic) = 2.773 (BAF = 592.2)
       log Kow used: 4.82 (estimated)

 Volatilization from Water:
    Henry LC:  0.00664 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.481  hours
    Half-Life from Model Lake :      128.1  hours   (5.339 days)

 Removal In Wastewater Treatment:
    Total removal:              86.15  percent
    Total biodegradation:        0.37  percent
    Total sludge adsorption:    56.38  percent
    Total to Air:               29.40  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.435           1.03         1000       
   Water     26.3            208          1000       
   Soil      72.4            416          1000       
   Sediment  0.867           1.87e+003    0          
     Persistence Time: 188 hr