CAS Number: 51-17-2
SMILES : n(c(c(n1)ccc2)c2)c1
CHEM   : 1H-Benzimidazole
MOL FOR: C7 H6 N2 
MOL WT : 118.14
------------------------------ EPI SUMMARY (v4.10) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.68 estimate) =  1.23
    Log Kow (Exper. database match) =  1.32
       Exper. Ref:  HANSCH,C ET AL. (1995)
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  333.17  (Adapted Stein & Brown method)
    Melting Pt (deg C):  90.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.03E-005  (Modified Grain method)
    VP (Pa, 25 deg C) :  0.00138  (Modified Grain method)
    MP  (exp database):  170.5 deg C
    BP  (exp database):  >360 deg C
    Subcooled liquid VP: 0.00033 mm Hg (25 deg C, Mod-Grain method)
                       : 0.0439 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.42):
    Water Solubility at 25 deg C (mg/L):  7604
       log Kow used: 1.32 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  2010 mg/L (20 deg C)
        Exper. Ref:  PEARLMAN,RS ET AL. (1984)
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4124.6 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Imidazoles
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.67E-007  atm-m3/mole  (3.71E-002 Pa-m3/mole)
   Group Method:   Incomplete
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  2.106E-010 atm-m3/mole  (2.134E-005 Pa-m3/mole)
      VP:   1.03E-005 mm Hg (source: MPBPVP)
      WS:   7.6E+003 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.32  (exp database)
  Log Kaw used:  -4.824  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.144
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6913
   Biowin2 (Non-Linear Model)     :   0.7910
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9381  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6773  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4018
   Biowin6 (MITI Non-Linear Model):   0.4294
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3589
 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):  0.044 Pa (0.00033 mm Hg)
  Log Koa (Koawin est  ): 6.144
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.82E-005 
       Octanol/air (Koa) model:  3.42E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00246 
       Mackay model           :  0.00542 
       Octanol/air (Koa) model:  2.74E-005 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  36.0000 E-12 cm3/molecule-sec
      Half-Life =     0.297 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.565 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      0.00394 (Junge-Pankow, Mackay avg)
      2.74E-005 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  214.6  L/kg (MCI method)
      Log Koc:  2.332       (MCI method)
      Koc    :  113.2  L/kg (Kow method)
      Log Koc:  2.054       (Kow method)
 
 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!
 
 Bioaccumulation Estimates (BCFBAF v3.01):
   Log BCF from regression-based method = 0.538 (BCF = 3.451 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.6803 days (HL = 0.2088 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.454 (BCF = 2.845)
   Log BAF Arnot-Gobas method (upper trophic) = 0.454 (BAF = 2.845)
       log Kow used: 1.32 (expkow database)
 
 Volatilization from Water:
    Henry LC:  3.67E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1735  hours   (72.3 days)
    Half-Life from Model Lake : 1.902E+004  hours   (792.5 days)
 
 Removal In Wastewater Treatment:
    Total removal:               1.95  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  percent
    Total to Air:                0.02  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.618           7.13         1000       
   Water     25.5            360          1000       
   Soil      73.6            720          1000       
   Sediment  0.256           3.24e+003    0          
     Persistence Time: 472 hr