2,5,6-trimethyl-4H-thieno[2,3-d][1,3]oxazin-4-one

Data supplied by datasources and users.

Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.

Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.

                    
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  345.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  119.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.99E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000173 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):  1509
       log Kow used: 1.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1163.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.29E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.388E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.74  (KowWin est)
  Log Kaw used:  -4.029  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.769
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9381
   Biowin2 (Non-Linear Model)     :   0.9958
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7582  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6580  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5584
   Biowin6 (MITI Non-Linear Model):   0.4923
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1848
 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):  0.0231 Pa (0.000173 mm Hg)
  Log Koa (Koawin est  ): 5.769
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00013 
       Octanol/air (Koa) model:  1.44E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00468 
       Mackay model           :  0.0103 
       Octanol/air (Koa) model:  1.15E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  17.9407 E-12 cm3/molecule-sec
      Half-Life =     0.596 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.154 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00749 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  358
      Log Koc:  2.554 

 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 = 0.640 (BCF = 4.368)
       log Kow used: 1.74 (estimated)

 Volatilization from Water:
    Henry LC:  2.29E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      358.7  hours   (14.94 days)
    Half-Life from Model Lake :       4030  hours   (167.9 days)

 Removal In Wastewater Treatment:
    Total removal:               2.19  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.97  percent
    Total to Air:                0.13  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.46            14.3         1000       
   Water     34.8            360          1000       
   Soil      63.6            720          1000       
   Sediment  0.0965          3.24e+003    0          
     Persistence Time: 403 hr