Ethyl 5-cyano-6-imino-4-methyl-1-(4-methylphenyl)-1,6-dihydro-3-pyridazinecarboxylate

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) =  1.20

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  452.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  190.39  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.89E-009  (Modified Grain method)
    Subcooled liquid VP: 4.27E-007 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):  666.3
       log Kow used: 1.20 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  41.813 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Allylic/Vinyl Nitriles

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.20E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.617E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.20  (KowWin est)
  Log Kaw used:  -7.672  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.872
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1423
   Biowin2 (Non-Linear Model)     :   0.9997
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5273  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5154  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3705
   Biowin6 (MITI Non-Linear Model):   0.1098
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1213
 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):  5.69E-005 Pa (4.27E-007 mm Hg)
  Log Koa (Koawin est  ): 8.872
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0527 
       Octanol/air (Koa) model:  0.000183 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.656 
       Mackay model           :  0.808 
       Octanol/air (Koa) model:  0.0144 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  34.7546 E-12 cm3/molecule-sec
      Half-Life =     0.308 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.693 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.105000 E-17 cm3/molecule-sec
      Half-Life =    10.914 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.732 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  915.3
      Log Koc:  2.962 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  5.843E-003  L/mol-sec
  Kb Half-Life at pH 8:       3.759  years  
  Kb Half-Life at pH 7:      37.592  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.221 (BCF = 1.665)
       log Kow used: 1.20 (estimated)

 Volatilization from Water:
    Henry LC:  5.2E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.938E+006  hours   (8.076E+004 days)
    Half-Life from Model Lake : 2.114E+007  hours   (8.81E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               1.91  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.82  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       0.0221          7.18         1000       
   Water     38.4            900          1000       
   Soil      61.5            1.8e+003     1000       
   Sediment  0.0853          8.1e+003     0          
     Persistence Time: 1.06e+003 hr