3,4-Dimethoxycinnamic acid

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) =  1.72
    Log Kow (Exper. database match) =  2.34
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  342.95  (Adapted Stein & Brown method)
    Melting Pt (deg C):  112.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.6E-006  (Modified Grain method)
    MP  (exp database):  181-183 deg C
    Subcooled liquid VP: 0.000194 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):  989.3
       log Kow used: 2.34 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  268.6 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics-acid

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.53E-011  atm-m3/mole
   Group Method:   1.34E-009  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.274E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.34  (exp database)
  Log Kaw used:  -8.732  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.072
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9849
   Biowin2 (Non-Linear Model)     :   0.9945
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9874  (weeks       )
   Biowin4 (Primary Survey Model) :   4.0871  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7022
   Biowin6 (MITI Non-Linear Model):   0.6794
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7864
 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):  0.0259 Pa (0.000194 mm Hg)
  Log Koa (Koawin est  ): 11.072
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000116 
       Octanol/air (Koa) model:  0.029 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00417 
       Mackay model           :  0.00919 
       Octanol/air (Koa) model:  0.699 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  39.4072 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant =  42.0672 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    3.257 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    3.051 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.050000 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     1.091 Days (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =    13.097 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 0.00668 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  24.98
      Log Koc:  1.398 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 2.34 (expkow database)

 Volatilization from Water:
    Henry LC:  1.34E-009 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 6.305E+005  hours   (2.627E+004 days)
    Half-Life from Model Lake : 6.878E+006  hours   (2.866E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               2.71  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.62  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       0.0241          5.22         1000       
   Water     20.1            360          1000       
   Soil      79.8            720          1000       
   Sediment  0.109           3.24e+003    0          
     Persistence Time: 719 hr