CAS Num: 005943-30-6
SMILES : S(SC(CC)C)C(CC)C
CHEM   : Disulfide, bis(1-methylpropyl)
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) =  4.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  215.94  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -21.01  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.161  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  21.5  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5.731
       log Kow used: 4.67 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9.1447 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:  6.593E-003 atm-m3/mole  (6.680E+002 Pa-m3/mole)
      VP:   0.161 mm Hg (source: MPBPVP)
      WS:   5.73 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.67  (KowWin est)
  Log Kaw used:  -0.566  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.236
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6626
   Biowin2 (Non-Linear Model)     :   0.6168
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8050  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5904  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1807
   Biowin6 (MITI Non-Linear Model):   0.1317
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2381
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.9498
     BioHC Half-Life (days)     :   8.9086

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  20 Pa (0.15 mm Hg)
  Log Koa (Koawin est  ): 5.236
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.5E-007 
       Octanol/air (Koa) model:  4.23E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.42E-006 
       Mackay model           :  1.2E-005 
       Octanol/air (Koa) model:  3.38E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 265.1915 E-12 cm3/molecule-sec
      Half-Life =     0.040 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    29.040 Min
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      8.71E-006 (Junge-Pankow, Mackay avg)
      3.38E-006 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1124  L/kg (MCI method)
      Log Koc:  3.051       (MCI method)
      Koc    :  1.129E+004  L/kg (Kow method)
      Log Koc:  4.053       (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 = 1.410 (BCF = 25.69 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 0.0881 days (HL = 1.225 days)
   Log BCF Arnot-Gobas method (upper trophic) = 2.666 (BCF = 463.3)
   Log BAF Arnot-Gobas method (upper trophic) = 2.668 (BAF = 465.1)
       log Kow used: 4.67 (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:              84.57  percent
    Total biodegradation:        0.32  percent
    Total sludge adsorption:    49.79  percent
    Total to Air:               34.46  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.381           0.968        1000       
   Water     26.6            360          1000       
   Soil      72              720          1000       
   Sediment  1.04            3.24e+003    0          
     Persistence Time: 236 hr