6-Methyl-2-thiouracil

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) =  -0.01

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  377.14  (Adapted Stein & Brown method)
    Melting Pt (deg C):  149.42  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.61E-006  (Modified Grain method)
    Subcooled liquid VP: 2.97E-005 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):  4072
       log Kow used: -0.01 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  13865 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.45E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.397E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.01  (KowWin est)
  Log Kaw used:  -7.579  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.569
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1002
   Biowin2 (Non-Linear Model)     :   0.9983
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7766  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0535  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5490
   Biowin6 (MITI Non-Linear Model):   0.5599
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4528
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.00396 Pa (2.97E-005 mm Hg)
  Log Koa (Koawin est  ): 7.569
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000758 
       Octanol/air (Koa) model:  9.1E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0266 
       Mackay model           :  0.0571 
       Octanol/air (Koa) model:  0.000727 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  86.8850 E-12 cm3/molecule-sec
      Half-Life =     0.123 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.477 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 0.0419 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  6.476
      Log Koc:  0.811 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -0.01 (estimated)

 Volatilization from Water:
    Henry LC:  6.45E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.082E+006  hours   (4.51E+004 days)
    Half-Life from Model Lake : 1.181E+007  hours   (4.92E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       0.0149          2.63         1000       
   Water     38.8            360          1000       
   Soil      61.1            720          1000       
   Sediment  0.0717          3.24e+003    0          
     Persistence Time: 567 hr