Ethyl 2-[(5-hydroxy-4-oxo-2-phenyl-4H-chromen-7-yl)oxy]propanoate

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) =  4.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  483.94  (Adapted Stein & Brown method)
    Melting Pt (deg C):  205.09  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.22E-010  (Modified Grain method)
    Subcooled liquid VP: 9.81E-009 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):  4.401
       log Kow used: 4.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  10.875 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Phenols
       Vinyl/Allyl Ketones
       Vinyl/Allyl Ethers

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.31E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.293E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.34  (KowWin est)
  Log Kaw used:  -9.469  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.809
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.2676
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4960  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.7420  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6374
   Biowin6 (MITI Non-Linear Model):   0.4868
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2304
 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):  1.31E-006 Pa (9.81E-009 mm Hg)
  Log Koa (Koawin est  ): 13.809
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.29 
       Octanol/air (Koa) model:  15.8 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.988 
       Mackay model           :  0.995 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 236.0525 E-12 cm3/molecule-sec
      Half-Life =     0.045 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.544 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    10.500000 E-17 cm3/molecule-sec
      Half-Life =     0.109 Days (at 7E11 mol/cm3)
      Half-Life =      2.619 Hrs
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 0.991 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2642
      Log Koc:  3.422 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.196E-001  L/mol-sec
  Kb Half-Life at pH 8:      67.063  days   
  Kb Half-Life at pH 7:       1.836  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.798 (BCF = 62.81)
       log Kow used: 4.34 (estimated)

 Volatilization from Water:
    Henry LC:  8.31E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.326E+008  hours   (5.526E+006 days)
    Half-Life from Model Lake : 1.447E+009  hours   (6.029E+007 days)

 Removal In Wastewater Treatment:
    Total removal:              47.43  percent
    Total biodegradation:        0.46  percent
    Total sludge adsorption:    46.97  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       0.0058          0.768        1000       
   Water     11.4            900          1000       
   Soil      82.7            1.8e+003     1000       
   Sediment  5.93            8.1e+003     0          
     Persistence Time: 1.73e+003 hr