Ethyl {5-[(2-thienylcarbonyl)amino]-1,3,4-thiadiazol-2-yl}acetate

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  499.74  (Adapted Stein & Brown method)
    Melting Pt (deg C):  212.48  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.83E-010  (Modified Grain method)
    Subcooled liquid VP: 2.79E-008 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1091
       log Kow used: 1.25 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1820.3 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Thiophenes

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.70E-016  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.015E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.25  (KowWin est)
  Log Kaw used:  -13.562  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.812
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0450
   Biowin2 (Non-Linear Model)     :   0.9978
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5532  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7846  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3167
   Biowin6 (MITI Non-Linear Model):   0.1149
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0216
 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):  3.72E-006 Pa (2.79E-008 mm Hg)
  Log Koa (Koawin est  ): 14.812
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.806 
       Octanol/air (Koa) model:  159 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.967 
       Mackay model           :  0.985 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  11.3387 E-12 cm3/molecule-sec
      Half-Life =     0.943 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    11.320 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.976 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  18.06
      Log Koc:  1.257 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.026E-001  L/mol-sec
  Kb Half-Life at pH 8:      39.599  days   
  Kb Half-Life at pH 7:       1.084  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.262 (BCF = 1.827)
       log Kow used: 1.25 (estimated)

 Volatilization from Water:
    Henry LC:  6.7E-016 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.507E+012  hours   (6.279E+010 days)
    Half-Life from Model Lake : 1.644E+013  hours   (6.849E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.92  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.83  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.75e-007       22.6         1000       
   Water     37.3            900          1000       
   Soil      62.6            1.8e+003     1000       
   Sediment  0.0843          8.1e+003     0          
     Persistence Time: 1.11e+003 hr