2-Hydroxy-6-methoxy-5-methyl-3-(3-methyl-2-buten-1-yl)-4H-chromen-4-one

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) =  3.84

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  420.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  158.26  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.01E-009  (Modified Grain method)
    Subcooled liquid VP: 4.65E-008 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):  9.08
       log Kow used: 3.84 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.1688 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.72E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.990E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.84  (KowWin est)
  Log Kaw used:  -8.501  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.341
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1010
   Biowin2 (Non-Linear Model)     :   0.9922
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5394  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6449  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6801
   Biowin6 (MITI Non-Linear Model):   0.5382
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0841
 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):  6.2E-006 Pa (4.65E-008 mm Hg)
  Log Koa (Koawin est  ): 12.341
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.484 
       Octanol/air (Koa) model:  0.538 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.946 
       Mackay model           :  0.975 
       Octanol/air (Koa) model:  0.977 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 171.9786 E-12 cm3/molecule-sec
      Half-Life =     0.062 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.746 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    48.687500 E-17 cm3/molecule-sec
      Half-Life =     0.024 Days (at 7E11 mol/cm3)
      Half-Life =     33.894 Min
   Fraction sorbed to airborne particulates (phi): 0.96 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  39.43
      Log Koc:  1.596 

 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 = 1.417 (BCF = 26.1)
       log Kow used: 3.84 (estimated)

 Volatilization from Water:
    Henry LC:  7.72E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.256E+007  hours   (5.234E+005 days)
    Half-Life from Model Lake :  1.37E+008  hours   (5.71E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              23.33  percent
    Total biodegradation:        0.27  percent
    Total sludge adsorption:    23.06  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       0.00739         0.41         1000       
   Water     13.7            900          1000       
   Soil      84              1.8e+003     1000       
   Sediment  2.22            8.1e+003     0          
     Persistence Time: 1.44e+003 hr