4-Hydroxybenzaldehyde

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) =  1.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  567.61  (Adapted Stein & Brown method)
    Melting Pt (deg C):  244.18  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2E-013  (Modified Grain method)
    Subcooled liquid VP: 4.74E-011 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):  4109
       log Kow used: 1.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2550 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Phenols
       Benzyl Amines
       Imidazoles

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.90E-019  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.808E-017 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.36  (KowWin est)
  Log Kaw used:  -16.618  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  17.978
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8609
   Biowin2 (Non-Linear Model)     :   0.8963
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5736  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5573  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1815
   Biowin6 (MITI Non-Linear Model):   0.0442
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4427
 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):  6.32E-009 Pa (4.74E-011 mm Hg)
  Log Koa (Koawin est  ): 17.978
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  475 
       Octanol/air (Koa) model:  2.33E+005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 112.8885 E-12 cm3/molecule-sec
      Half-Life =     0.095 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.137 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.781E+004
      Log Koc:  4.251 

 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 = 0.344 (BCF = 2.208)
       log Kow used: 1.36 (estimated)

 Volatilization from Water:
    Henry LC:  5.9E-019 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.667E+015  hours   (6.947E+013 days)
    Half-Life from Model Lake : 1.819E+016  hours   (7.579E+014 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.85  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       2.16e-007       2.27         1000       
   Water     35.5            900          1000       
   Soil      64.4            1.8e+003     1000       
   Sediment  0.0837          8.1e+003     0          
     Persistence Time: 1.14e+003 hr