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ChemSpider 2D Image | 1-Methyl-1H-benzimidazol-4-amine | C8H9N3

1-Methyl-1H-benzimidazol-4-amine

  • Molecular FormulaC8H9N3
  • Average mass147.177 Da
  • Monoisotopic mass147.079651 Da
  • ChemSpider ID1236820

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

155242-98-1 [RN]
1H-Benzimidazol-4-amine, 1-methyl- [ACD/Index Name]
1-Methyl-1H-benzimidazol-4-amin [German] [ACD/IUPAC Name]
1-Methyl-1H-benzimidazol-4-amine [ACD/IUPAC Name]
1-Méthyl-1H-benzimidazol-4-amine [French] [ACD/IUPAC Name]
1-methyl-1H-benzo[d]imidazol-4-amine
1H-Benzimidazol-4-amine, 1-methyl- (9CI)
1-methyl-1,3-benzodiazol-4-amine
1-Methyl-1H-1,3-benzodiazol-4-amine
1-Methyl-1h-benzo[d]imidazol-4-ylamine
More...

    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density: 1.3±0.1 g/cm3
    Boiling Point: 348.6±34.0 °C at 760 mmHg
    Vapour Pressure: 0.0±0.8 mmHg at 25°C
    Enthalpy of Vaporization: 59.3±3.0 kJ/mol
    Flash Point: 164.6±25.7 °C
    Index of Refraction: 1.667
    Molar Refractivity: 43.1±0.5 cm3
    #H bond acceptors: 3
    #H bond donors: 2
    #Freely Rotating Bonds: 0
    #Rule of 5 Violations: 0
    ACD/LogP: 0.36
    ACD/LogD (pH 5.5): 0.63
    ACD/BCF (pH 5.5): 1.60
    ACD/KOC (pH 5.5): 43.06
    ACD/LogD (pH 7.4): 0.82
    ACD/BCF (pH 7.4): 2.47
    ACD/KOC (pH 7.4): 66.34
    Polar Surface Area: 44 Å2
    Polarizability: 17.1±0.5 10-24cm3
    Surface Tension: 49.9±7.0 dyne/cm
    Molar Volume: 115.6±7.0 cm3

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

                            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.66

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  348.43  (Adapted Stein & Brown method)
    Melting Pt (deg C):  115.22  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.85E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000144 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):  2955
       log Kow used: 1.66 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  28865 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.76E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.212E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.66  (KowWin est)
  Log Kaw used:  -6.948  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.608
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4437
   Biowin2 (Non-Linear Model)     :   0.2713
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7390  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5270  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1499
   Biowin6 (MITI Non-Linear Model):   0.0795
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0970
 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):  0.0192 Pa (0.000144 mm Hg)
  Log Koa (Koawin est  ): 8.608
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000156 
       Octanol/air (Koa) model:  9.95E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00561 
       Mackay model           :  0.0123 
       Octanol/air (Koa) model:  0.0079 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.1360 E-12 cm3/molecule-sec
      Half-Life =     0.053 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.641 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00898 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  295.2
      Log Koc:  2.470 

 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 = 0.582 (BCF = 3.819)
       log Kow used: 1.66 (estimated)

 Volatilization from Water:
    Henry LC:  2.76E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.574E+005  hours   (1.072E+004 days)
    Half-Life from Model Lake : 2.808E+006  hours   (1.17E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               2.03  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.94  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       0.0222          1.28         1000       
   Water     31.8            900          1000       
   Soil      68.1            1.8e+003     1000       
   Sediment  0.0889          8.1e+003     0          
     Persistence Time: 1.06e+003 hr

    Click to predict properties on the Chemicalize site


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