CAS Num: 000420-12-2
SMILES : S(C1)C1
CHEM   : Thiirane
MOL FOR: C2 H4 S1 
MOL WT : 60.11
------------------------------ 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) =  0.81

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  51.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -72.37  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  240  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  3.21E+004  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  55-56 deg C
    VP  (exp database):  2.50E+02 mm Hg (3.33E+004 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.808e+004
       log Kow used: 0.81 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  18504 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.46E-004  atm-m3/mole  (3.51E+001 Pa-m3/mole)
   Group Method:   1.20E-004  atm-m3/mole  (1.21E+001 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:  6.760E-004 atm-m3/mole  (6.850E+001 Pa-m3/mole)
      VP:   240 mm Hg (source: MPBPVP)
      WS:   2.81E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.81  (KowWin est)
  Log Kaw used:  -1.849  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.659
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7189
   Biowin2 (Non-Linear Model)     :   0.8961
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0663  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7610  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5728
   Biowin6 (MITI Non-Linear Model):   0.7796
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5961
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.9273
     BioHC Half-Life (days)     :   8.4586

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  3.33E+004 Pa (250 mm Hg)
  Log Koa (Koawin est  ): 2.659
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9E-011 
       Octanol/air (Koa) model:  1.12E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.25E-009 
       Mackay model           :  7.2E-009 
       Octanol/air (Koa) model:  8.96E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.0584 E-12 cm3/molecule-sec
      Half-Life =     5.196 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    62.354 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi):
      5.23E-009 (Junge-Pankow, Mackay avg)
      8.96E-009 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  24.09  L/kg (MCI method)
      Log Koc:  1.382       (MCI method)
      Koc    :  5.042  L/kg (Kow method)
      Log Koc:  0.703       (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 = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -1.2508 days (HL = 0.05613 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.133 (BCF = 1.358)
   Log BAF Arnot-Gobas method (upper trophic) = 0.133 (BAF = 1.358)
       log Kow used: 0.81 (estimated)

 Volatilization from Water:
    Henry LC:  0.00012 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      4.574  hours
    Half-Life from Model Lake :      114.9  hours   (4.788 days)

 Removal In Wastewater Treatment:
    Total removal:               7.51  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.69  percent
    Total to Air:                5.73  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       10.4            125          1000       
   Water     33.1            360          1000       
   Soil      56.4            720          1000       
   Sediment  0.0939          3.24e+003    0          
     Persistence Time: 319 hr