(4E)-Hexa-2,4-dienoic acid

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) =  1.62
    Log Kow (Exper. database match) =  1.33
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  219.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  24.62  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00987  (Modified Grain method)
    MP  (exp database):  134.5 deg C
    Subcooled liquid VP: 0.124 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):  1.944e+004
       log Kow used: 1.33 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1910 mg/L (30 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9636 mg/L
    Wat Sol (Exper. database match) =  1910.00
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.72E-007  atm-m3/mole
   Group Method:   4.99E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.491E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.33  (exp database)
  Log Kaw used:  -4.631  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.961
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8753
   Biowin2 (Non-Linear Model)     :   0.9802
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.6143  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.3406  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5849
   Biowin6 (MITI Non-Linear Model):   0.6357
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3315
 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):  16.5 Pa (0.124 mm Hg)
  Log Koa (Koawin est  ): 5.961
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.81E-007 
       Octanol/air (Koa) model:  2.24E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.55E-006 
       Mackay model           :  1.45E-005 
       Octanol/air (Koa) model:  1.8E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  50.3560 E-12 cm3/molecule-sec
      Half-Life =     0.212 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.549 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     5.265000 E-17 cm3/molecule-sec
      Half-Life =     0.218 Days (at 7E11 mol/cm3)
      Half-Life =      5.224 Hrs
   Fraction sorbed to airborne particulates (phi): 1.05E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7.532
      Log Koc:  0.877 

 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: 1.33 (expkow database)

 Volatilization from Water:
    Henry LC:  4.99E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 1.243E+004  hours   (517.7 days)
    Half-Life from Model Lake : 1.356E+005  hours   (5652 days)

 Removal In Wastewater Treatment:
    Total removal:               1.93  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  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       0.381           2.58         1000       
   Water     36              208          1000       
   Soil      63.6            416          1000       
   Sediment  0.0741          1.87e+003    0          
     Persistence Time: 272 hr