CAS Num: 000624-92-0
SMILES : S(SC)C
CHEM   : Disulfide, dimethyl
MOL FOR: C2 H6 S2 
MOL WT : 94.19
------------------------------ 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) =  1.87
    Log Kow (Exper. database match) =  1.77
       Exper. Ref:  HANSCH,C ET AL. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  113.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -69.69  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  24.5  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  3.27E+003  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -85 deg C
    BP  (exp database):  109.8 deg C
    VP  (exp database):  2.87E+01 mm Hg (3.83E+003 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3739
       log Kow used: 1.77 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  3000 mg/L (25 deg C)
        Exper. Ref:  derived from experimental HLC data

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2867.6 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.21E-003  atm-m3/mole  (1.23E+002 Pa-m3/mole)
   Group Method:   Incomplete
   Exper Database: 1.21E-03  atm-m3/mole  (1.23E+002 Pa-m3/mole)
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  8.121E-004 atm-m3/mole  (8.228E+001 Pa-m3/mole)
      VP:   24.5 mm Hg (source: MPBPVP)
      WS:   3.74E+003 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.77  (exp database)
  Log Kaw used:  -1.306  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  3.076
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7027
   Biowin2 (Non-Linear Model)     :   0.8417
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9910  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7118  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4327
   Biowin6 (MITI Non-Linear Model):   0.4614
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6769
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4288
     BioHC Half-Life (days)     :   2.6841

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  3.83E+003 Pa (28.7 mm Hg)
  Log Koa (Koawin est  ): 3.076
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.84E-010 
       Octanol/air (Koa) model:  2.92E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.83E-008 
       Mackay model           :  6.27E-008 
       Octanol/air (Koa) model:  2.34E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 227.1216 E-12 cm3/molecule-sec
      Half-Life =     0.047 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.565 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      4.55E-008 (Junge-Pankow, Mackay avg)
      2.34E-008 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  39.6  L/kg (MCI method)
      Log Koc:  1.598       (MCI method)
      Koc    :  34.34  L/kg (Kow method)
      Log Koc:  1.536       (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 = -0.506 (BCF = 0.3122 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.7444 days (HL = 0.1801 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.782 (BCF = 6.053)
   Log BAF Arnot-Gobas method (upper trophic) = 0.782 (BAF = 6.053)
       log Kow used: 1.77 (expkow database)

 Volatilization from Water:
    Henry LC:  0.00121 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:       1.46  hours
    Half-Life from Model Lake :       97.3  hours   (4.054 days)

 Removal In Wastewater Treatment:
    Total removal:              34.61  percent
    Total biodegradation:        0.07  percent
    Total sludge adsorption:     1.45  percent
    Total to Air:               33.09  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.869           1.13         1000       
   Water     51              360          1000       
   Soil      48              720          1000       
   Sediment  0.177           3.24e+003    0          
     Persistence Time: 136 hr