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CAS Number: 33369-81-2
SMILES : s(cc1C(C)(C)C)c(c1)C(C)(C)C
CHEM   : THIOPHENE, 2,4-BIS(1,1-DIMETHYLETHYL)-
MOL FOR: C12 H20 S1 
MOL WT : 196.35
------------------------------ 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) =  5.63
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  238.65  (Adapted Stein & Brown method)
    Melting Pt (deg C):  42.40  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.033  (Modified Grain method)
    VP (Pa, 25 deg C) :  4.4  (Modified Grain method)
    Subcooled liquid VP: 0.0475 mm Hg (25 deg C, Mod-Grain method)
                       : 6.34 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.7074
       log Kow used: 5.63 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.7164 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Thiophenes
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.95E-002  atm-m3/mole  (1.98E+003 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:  1.205E-002 atm-m3/mole  (1.221E+003 Pa-m3/mole)
      VP:   0.033 mm Hg (source: MPBPVP)
      WS:   0.707 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.63  (KowWin est)
  Log Kaw used:  -0.098  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.728
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2862
   Biowin2 (Non-Linear Model)     :   0.0382
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3410  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2576  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2821
   Biowin6 (MITI Non-Linear Model):   0.1205
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5007
 Ready Biodegradability Prediction:   NO
 
 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.8623
     BioHC Half-Life (days)     :  72.8348
 
 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  6.33 Pa (0.0475 mm Hg)
  Log Koa (Koawin est  ): 5.728
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.74E-007 
       Octanol/air (Koa) model:  1.31E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.71E-005 
       Mackay model           :  3.79E-005 
       Octanol/air (Koa) model:  1.05E-005 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  47.2602 E-12 cm3/molecule-sec
      Half-Life =     0.226 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.716 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      2.75E-005 (Junge-Pankow, Mackay avg)
      1.05E-005 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  3772  L/kg (MCI method)
      Log Koc:  3.577       (MCI method)
      Koc    :  7.689E+004  L/kg (Kow method)
      Log Koc:  4.886       (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 = 3.383 (BCF = 2416 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 0.7399 days (HL = 5.494 days)
   Log BCF Arnot-Gobas method (upper trophic) = 3.283 (BCF = 1918)
   Log BAF Arnot-Gobas method (upper trophic) = 3.480 (BAF = 3020)
       log Kow used: 5.63 (estimated)
 
 Volatilization from Water:
    Henry LC:  0.0195 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.472  hours
    Half-Life from Model Lake :      133.6  hours   (5.565 days)
 
 Removal In Wastewater Treatment:
    Total removal:              94.17  percent
    Total biodegradation:        0.50  percent
    Total sludge adsorption:    74.90  percent
    Total to Air:               18.77  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.5             5.43         1000       
   Water     21.7            900          1000       
   Soil      72.1            1.8e+003     1000       
   Sediment  4.62            8.1e+003     0          
     Persistence Time: 366 hr