Monuron

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) =  2.03
    Log Kow (Exper. database match) =  1.94
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  334.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  107.43  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.47E-006  (Modified Grain method)
    MP  (exp database):  170.5 deg C
    VP  (exp database):  5.03E-07 mm Hg at 25 deg C
    Subcooled liquid VP: 1.38E-005 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  979.8
       log Kow used: 1.94 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  230 mg/L (25 deg C)
        Exper. Ref:  BAILEY,GW ET AL. (1968)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  427.31 mg/L
    Wat Sol (Exper. database match) =  230.00
       Exper. Ref:  BAILEY,GW ET AL. (1968)

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics
       Ureas(substituted)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.19E-010  atm-m3/mole
   Group Method:   Incomplete
   Exper Database: 5.72E-10  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.526E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.94  (exp database)
  Log Kaw used:  -7.631  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  9.571
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4706
   Biowin2 (Non-Linear Model)     :   0.1385
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5536  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3958  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1610
   Biowin6 (MITI Non-Linear Model):   0.0517
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1071
 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):  0.00184 Pa (1.38E-005 mm Hg)
  Log Koa (Koawin est  ): 9.571
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00163 
       Octanol/air (Koa) model:  0.000914 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0556 
       Mackay model           :  0.115 
       Octanol/air (Koa) model:  0.0681 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  14.5701 E-12 cm3/molecule-sec
      Half-Life =     0.734 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.809 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0855 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  82.27
      Log Koc:  1.915 

 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 = 0.794 (BCF = 6.22)
       log Kow used: 1.94 (expkow database)

 Volatilization from Water:
    Henry LC:  5.72E-010 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River: 1.443E+006  hours   (6.011E+004 days)
    Half-Life from Model Lake : 1.574E+007  hours   (6.558E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               2.19  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.10  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       0.00566         17.6         1000       
   Water     24.2            900          1000       
   Soil      75.7            1.8e+003     1000       
   Sediment  0.0872          8.1e+003     0          
     Persistence Time: 1.38e+003 hr