ChemSpider 2D Image | 2-Hydrazino-5-nitro-1H-benzimidazole | C7H7N5O2

2-Hydrazino-5-nitro-1H-benzimidazole

  • Molecular FormulaC7H7N5O2
  • Average mass193.163 Da
  • Monoisotopic mass193.059967 Da
  • ChemSpider ID17928498

More details:

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

1H-Benzimidazole, 2-hydrazinyl-5-nitro- [ACD/Index Name]
2-Hydrazino-5-nitro-1H-1,3-benzimidazole
2-Hydrazino-5-nitro-1H-benzimidazol [German] [ACD/IUPAC Name]
2-Hydrazino-5-nitro-1H-benzimidazole [ACD/IUPAC Name]
2-Hydrazino-5-nitro-1H-benzimidazole [French] [ACD/IUPAC Name]
2-hydrazinyl-5-nitro-1H-benzo[d]imidazole
91467-48-0 [RN]
(6-nitro-1H-benzimidazol-2-yl)hydrazine
[91467-48-0] [RN]
2-(5-Amino-3-phenyl-pyrazol-1-yl)-ethanol
More...

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

Density: 1.7±0.1 g/cm3
Boiling Point: 486.7±37.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.2±3.0 kJ/mol
Flash Point: 248.1±26.5 °C
Index of Refraction: 1.872
Molar Refractivity: 51.7±0.3 cm3
#H bond acceptors: 7
#H bond donors: 4
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.61
ACD/LogD (pH 5.5): 0.58
ACD/BCF (pH 5.5): 1.47
ACD/KOC (pH 5.5): 40.59
ACD/LogD (pH 7.4): 0.76
ACD/BCF (pH 7.4): 2.24
ACD/KOC (pH 7.4): 61.82
Polar Surface Area: 113 Å2
Polarizability: 20.5±0.5 10-24cm3
Surface Tension: 110.8±3.0 dyne/cm
Molar Volume: 113.6±3.0 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) =  0.41

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  441.79  (Adapted Stein & Brown method)
    Melting Pt (deg C):  185.41  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.66E-008  (Modified Grain method)
    Subcooled liquid VP: 7.85E-007 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):  8568
       log Kow used: 0.41 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.14E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.924E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.41  (KowWin est)
  Log Kaw used:  -13.058  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.468
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3505
   Biowin2 (Non-Linear Model)     :   0.0960
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6027  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4607  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3984
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3357
 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):  0.000105 Pa (7.85E-007 mm Hg)
  Log Koa (Koawin est  ): 13.468
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0287 
       Octanol/air (Koa) model:  7.21 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.509 
       Mackay model           :  0.696 
       Octanol/air (Koa) model:  0.998 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  22.5228 E-12 cm3/molecule-sec
      Half-Life =     0.475 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.699 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.602 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  389.7
      Log Koc:  2.591 

 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: 0.41 (estimated)

 Volatilization from Water:
    Henry LC:  2.14E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.803E+011  hours   (1.584E+010 days)
    Half-Life from Model Lake : 4.148E+012  hours   (1.728E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       7.05e-008       11.4         1000       
   Water     44.8            900          1000       
   Soil      55.2            1.8e+003     1000       
   Sediment  0.0881          8.1e+003     0          
     Persistence Time: 995 hr

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