CAS Number: 2179-58-0
SMILES : S(SCC=C)C
CHEM   : DISULFIDE, METHYL 2-PROPENYL
MOL FOR: C4 H8 S2 
MOL WT : 120.23
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.72
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  157.20  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -46.58  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.87  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  382  (Mean VP of Antoine & Grain methods)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  477.1
       log Kow used: 2.72 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  319.37 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.59E-003  atm-m3/mole  (1.61E+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:  9.516E-004 atm-m3/mole  (9.642E+001 Pa-m3/mole)
      VP:   2.87 mm Hg (source: MPBPVP)
      WS:   477 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.72  (KowWin est)
  Log Kaw used:  -1.187  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.907
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6903
   Biowin2 (Non-Linear Model)     :   0.7861
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9335  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6743  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4229
   Biowin6 (MITI Non-Linear Model):   0.3987
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5619
 Ready Biodegradability Prediction:   NO
 
 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.5722
     BioHC Half-Life (days)     :   3.7339
 
 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  348 Pa (2.61 mm Hg)
  Log Koa (Koawin est  ): 3.907
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.62E-009 
       Octanol/air (Koa) model:  1.98E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.11E-007 
       Mackay model           :  6.9E-007 
       Octanol/air (Koa) model:  1.59E-007 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 259.6460 E-12 cm3/molecule-sec
      Half-Life =     0.041 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    29.660 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.200000 E-17 cm3/molecule-sec
      Half-Life =     0.955 Days (at 7E11 mol/cm3)
      Half-Life =     22.920 Hrs
   Fraction sorbed to airborne particulates (phi):
      5.01E-007 (Junge-Pankow, Mackay avg)
      1.59E-007 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  131.5  L/kg (MCI method)
      Log Koc:  2.119       (MCI method)
      Koc    :  229.2  L/kg (Kow method)
      Log Koc:  2.360       (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 = 0.121 (BCF = 1.32 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.4438 days (HL = 0.3599 days)
   Log BCF Arnot-Gobas method (upper trophic) = 1.601 (BCF = 39.93)
   Log BAF Arnot-Gobas method (upper trophic) = 1.601 (BAF = 39.93)
       log Kow used: 2.72 (estimated)
 
 Volatilization from Water:
    Henry LC:  0.00159 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.523  hours
    Half-Life from Model Lake :      108.6  hours   (4.523 days)
 
 Removal In Wastewater Treatment:
    Total removal:              41.23  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     2.88  percent
    Total to Air:               38.28  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.512           0.948        1000       
   Water     36.7            360          1000       
   Soil      62.5            720          1000       
   Sediment  0.258           3.24e+003    0          
     Persistence Time: 183 hr