9-(3,4-dimethoxyphenyl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-dione

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) =  3.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  481.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  204.13  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1E-009  (Modified Grain method)
    Subcooled liquid VP: 7.86E-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):  9.803
       log Kow used: 3.25 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.8055 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.32E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.757E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.25  (KowWin est)
  Log Kaw used:  -10.268  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.518
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5636
   Biowin2 (Non-Linear Model)     :   0.2166
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.1713  (months      )
   Biowin4 (Primary Survey Model) :   3.3679  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4193
   Biowin6 (MITI Non-Linear Model):   0.1947
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.0958
 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):  1.05E-005 Pa (7.86E-008 mm Hg)
  Log Koa (Koawin est  ): 13.518
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.286 
       Octanol/air (Koa) model:  8.09 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.912 
       Mackay model           :  0.958 
       Octanol/air (Koa) model:  0.998 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 258.7115 E-12 cm3/molecule-sec
      Half-Life =     0.041 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    29.767 Min
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    14.787499 E-17 cm3/molecule-sec
      Half-Life =     0.077 Days (at 7E11 mol/cm3)
      Half-Life =      1.860 Hrs
   Fraction sorbed to airborne particulates (phi): 0.935 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  197.5
      Log Koc:  2.295 

 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 = 1.801 (BCF = 63.27)
       log Kow used: 3.25 (estimated)

 Volatilization from Water:
    Henry LC:  1.32E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  8.35E+008  hours   (3.479E+007 days)
    Half-Life from Model Lake : 9.109E+009  hours   (3.796E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               8.47  percent
    Total biodegradation:        0.15  percent
    Total sludge adsorption:     8.33  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       0.000105        0.647        1000       
   Water     9.8             1.44e+003    1000       
   Soil      89.7            2.88e+003    1000       
   Sediment  0.45            1.3e+004     0          
     Persistence Time: 2.76e+003 hr