1,2-Diphenylhydrazine

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.06
    Log Kow (Exper. database match) =  2.94
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  310.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  81.87  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000105  (Modified Grain method)
    MP  (exp database):  131 deg C
    BP  (exp database):  309 deg C
    VP  (exp database):  4.36E-04 mm Hg at 25 deg C
    Subcooled liquid VP: 0.00487 mm Hg (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  161.9
       log Kow used: 2.94 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  221 mg/L (25 deg C)
        Exper. Ref:  KUHNE,R ET AL. (1995)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  676.04 mg/L
    Wat Sol (Exper. database match) =  221.00
       Exper. Ref:  KUHNE,R ET AL. (1995)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.39E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.572E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.94  (exp database)
  Log Kaw used:  -6.746  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.686
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9160
   Biowin2 (Non-Linear Model)     :   0.9818
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8360  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5917  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1268
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3181
 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):  0.649 Pa (0.00487 mm Hg)
  Log Koa (Koawin est  ): 9.686
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.62E-006 
       Octanol/air (Koa) model:  0.00119 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000167 
       Mackay model           :  0.000369 
       Octanol/air (Koa) model:  0.087 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  85.3159 E-12 cm3/molecule-sec
      Half-Life =     0.125 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.504 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000268 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3481
      Log Koc:  3.542 

 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 = 1.564 (BCF = 36.63)
       log Kow used: 2.94 (expkow database)

 Volatilization from Water:
    Henry LC:  4.39E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  1.81E+005  hours   (7543 days)
    Half-Life from Model Lake : 1.975E+006  hours   (8.229E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               5.21  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     5.09  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       0.0615          3.01         1000       
   Water     18.8            360          1000       
   Soil      80.9            720          1000       
   Sediment  0.281           3.24e+003    0          
     Persistence Time: 678 hr