2',3-Dihydroxyflavone

Data supplied by datasources and users.

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) =  2.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  445.68  (Adapted Stein & Brown method)
    Melting Pt (deg C):  187.22  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.65E-010  (Modified Grain method)
    Subcooled liquid VP: 8.2E-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):  1261
       log Kow used: 2.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  107.32 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.65E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.377E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.14  (KowWin est)
  Log Kaw used:  -9.721  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.861
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0398
   Biowin2 (Non-Linear Model)     :   0.9616
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7731  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7050  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5598
   Biowin6 (MITI Non-Linear Model):   0.4491
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0723
 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):  1.09E-006 Pa (8.2E-009 mm Hg)
  Log Koa (Koawin est  ): 11.861
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.74 
       Octanol/air (Koa) model:  0.178 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.99 
       Mackay model           :  0.995 
       Octanol/air (Koa) model:  0.934 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  89.7157 E-12 cm3/molecule-sec
      Half-Life =     0.119 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.431 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): 0.993 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  124.5
      Log Koc:  2.095 

 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 = 0.110 (BCF = 1.287)
       log Kow used: 2.14 (estimated)

 Volatilization from Water:
    Henry LC:  4.65E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.008E+008  hours   (8.365E+006 days)
    Half-Life from Model Lake :  2.19E+009  hours   (9.126E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.40  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.30  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       0.011           1.37         1000       
   Water     22              360          1000       
   Soil      77.9            720          1000       
   Sediment  0.0914          3.24e+003    0          
     Persistence Time: 690 hr