p-Diacetylbenzene

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) =  1.35
    Log Kow (Exper. database match) =  1.34
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  263.27  (Adapted Stein & Brown method)
    Melting Pt (deg C):  54.08  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00191  (Modified Grain method)
    MP  (exp database):  111-113 deg C
    Subcooled liquid VP: 0.0134 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):  4796
       log Kow used: 1.34 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  24779 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.79E-008  atm-m3/mole
   Group Method:   2.23E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.499E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.34  (exp database)
  Log Kaw used:  -6.136  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.476
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6840
   Biowin2 (Non-Linear Model)     :   0.4501
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7958  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5693  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4988
   Biowin6 (MITI Non-Linear Model):   0.5074
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4886
 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):  1.79 Pa (0.0134 mm Hg)
  Log Koa (Koawin est  ): 7.476
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.68E-006 
       Octanol/air (Koa) model:  7.35E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.06E-005 
       Mackay model           :  0.000134 
       Octanol/air (Koa) model:  0.000587 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.9532 E-12 cm3/molecule-sec
      Half-Life =    11.221 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 9.75E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  12.9
      Log Koc:  1.111 

 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 = -0.508 (BCF = 0.3103)
       log Kow used: 1.34 (expkow database)

 Volatilization from Water:
    Henry LC:  2.23E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 3.344E+004  hours   (1393 days)
    Half-Life from Model Lake : 3.649E+005  hours   (1.52E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               1.94  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       0.45            269          1000       
   Water     31.6            360          1000       
   Soil      67.8            720          1000       
   Sediment  0.0699          3.24e+003    0          
     Persistence Time: 612 hr