This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
To Datasheet

CAS Number: 26693-24-3
SMILES : Cc1c2c(co1)ccs2
CHEM   : Thieno[2,3-c]furan, 2,3-dihydro-6-methyl-
MOL FOR: C7 H6 O1 S1 
MOL WT : 138.19
------------------------------ 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) =  2.91
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  227.12  (Adapted Stein & Brown method)
    Melting Pt (deg C):  38.19  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0648  (Modified Grain method)
    VP (Pa, 25 deg C) :  8.64  (Modified Grain method)
    Subcooled liquid VP: 0.0853 mm Hg (25 deg C, Mod-Grain method)
                       : 11.4 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  280.9
       log Kow used: 2.91 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  341.53 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.15E-004  atm-m3/mole  (3.19E+001 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:  4.195E-005 atm-m3/mole  (4.250E+000 Pa-m3/mole)
      VP:   0.0648 mm Hg (source: MPBPVP)
      WS:   281 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.91  (KowWin est)
  Log Kaw used:  -1.890  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.800
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7364
   Biowin2 (Non-Linear Model)     :   0.8353
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8189  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5798  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3672
   Biowin6 (MITI Non-Linear Model):   0.3109
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1780
 Ready Biodegradability Prediction:   NO
 
Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!
 
 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  11.4 Pa (0.0853 mm Hg)
  Log Koa (Koawin est  ): 4.800
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.64E-007 
       Octanol/air (Koa) model:  1.55E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.53E-006 
       Mackay model           :  2.11E-005 
       Octanol/air (Koa) model:  1.24E-006 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  97.5113 E-12 cm3/molecule-sec
      Half-Life =     0.110 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.316 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      1.53E-005 (Junge-Pankow, Mackay avg)
      1.24E-006 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  761.3  L/kg (MCI method)
      Log Koc:  2.882       (MCI method)
      Koc    :  335.1  L/kg (Kow method)
      Log Koc:  2.525       (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 = 1.585 (BCF = 38.42 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.8223 days (HL = 0.1505 days)
   Log BCF Arnot-Gobas method (upper trophic) = 1.547 (BCF = 35.28)
   Log BAF Arnot-Gobas method (upper trophic) = 1.547 (BAF = 35.28)
       log Kow used: 2.91 (estimated)
 
 Volatilization from Water:
    Henry LC:  0.000315 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      3.385  hours
    Half-Life from Model Lake :      135.5  hours   (5.645 days)
 
 Removal In Wastewater Treatment:
    Total removal:              16.89  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     4.52  percent
    Total to Air:               12.27  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.426           2.63         1000       
   Water     19.5            360          1000       
   Soil      79.5            720          1000       
   Sediment  0.545           3.24e+003    0          
     Persistence Time: 400 hr