4-(7-Hydroxy-4-oxo-4H-chromen-3-yl)phenyl hexanoate

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) =  4.59

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  490.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  208.15  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  7.42E-011  (Modified Grain method)
    Subcooled liquid VP: 6.5E-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):  2.745
       log Kow used: 4.59 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.1878 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 :   1.40E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.253E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.59  (KowWin est)
  Log Kaw used:  -11.242  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.832
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1169
   Biowin2 (Non-Linear Model)     :   0.9987
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8348  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9319  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6465
   Biowin6 (MITI Non-Linear Model):   0.5125
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1601
 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):  8.67E-007 Pa (6.5E-009 mm Hg)
  Log Koa (Koawin est  ): 15.832
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.46 
       Octanol/air (Koa) model:  1.67E+003 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.992 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 235.0533 E-12 cm3/molecule-sec
      Half-Life =     0.046 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.546 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): 0.994 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.296E+004
      Log Koc:  4.113 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.073E+000  L/mol-sec
  Kb Half-Life at pH 8:       7.475  days   
  Kb Half-Life at pH 7:      74.745  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.994 (BCF = 98.54)
       log Kow used: 4.59 (estimated)

 Volatilization from Water:
    Henry LC:  1.4E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.851E+009  hours   (3.271E+008 days)
    Half-Life from Model Lake : 8.564E+010  hours   (3.568E+009 days)

 Removal In Wastewater Treatment:
    Total removal:              60.67  percent
    Total biodegradation:        0.56  percent
    Total sludge adsorption:    60.11  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       0.000428        0.771        1000       
   Water     14.5            360          1000       
   Soil      78.7            720          1000       
   Sediment  6.78            3.24e+003    0          
     Persistence Time: 832 hr