ChemSpider 2D Image | 2-Hydrazino-1H-benzimidazole | C7H8N4

2-Hydrazino-1H-benzimidazole

  • Molecular FormulaC7H8N4
  • Average mass148.165 Da
  • Monoisotopic mass148.074890 Da
  • ChemSpider ID86467

More details:

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

15108-18-6 [RN]
1H-Benzimidazole, 2-hydrazinyl- [ACD/Index Name]
2-Hydrazino-1H-benzimidazol [German] [ACD/IUPAC Name]
2-Hydrazino-1H-benzimidazole [ACD/IUPAC Name]
2-Hydrazino-1H-benzimidazole [French] [ACD/IUPAC Name]
2-Hydrazinyl-1H-1,3-Benzodiazole
(1H-1,3-Benzimidazol-2-yl)hydrazine
(1H-Benzimidazol-2-yl)hydrazine
(1H-BENZOIMIDAZOL-2-YL)-HYDRAZ
(1H-Benzoimidazol-2-yl)hydrazine
More...

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

CCRIS 4693 [DBID]
MFCD00513603 [DBID]
NSC 35802 [DBID]
NSC35802 [DBID]
ZERO/005192 [DBID]
ZINC00090484 [DBID]

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

Density: 1.5±0.1 g/cm3
Boiling Point: 382.3±25.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 63.1±3.0 kJ/mol
Flash Point: 185.0±23.2 °C
Index of Refraction: 1.842
Molar Refractivity: 45.1±0.3 cm3
#H bond acceptors: 4
#H bond donors: 4
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.88
ACD/LogD (pH 5.5): -0.53
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 2.61
ACD/LogD (pH 7.4): 0.80
ACD/BCF (pH 7.4): 2.20
ACD/KOC (pH 7.4): 55.60
Polar Surface Area: 67 Å2
Polarizability: 17.9±0.5 10-24cm3
Surface Tension: 89.6±3.0 dyne/cm
Molar Volume: 101.7±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) =  0.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  386.11  (Adapted Stein & Brown method)
    Melting Pt (deg C):  146.16  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.06E-006  (Modified Grain method)
    Subcooled liquid VP: 1.8E-005 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):  2.397e+004
       log Kow used: 0.60 (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 :   5.41E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.622E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.60  (KowWin est)
  Log Kaw used:  -10.655  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.255
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6770
   Biowin2 (Non-Linear Model)     :   0.7119
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8717  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6340  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0688
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4544
 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):  0.0024 Pa (1.8E-005 mm Hg)
  Log Koa (Koawin est  ): 11.255
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00125 
       Octanol/air (Koa) model:  0.0442 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0432 
       Mackay model           :  0.0909 
       Octanol/air (Koa) model:  0.779 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.0000 E-12 cm3/molecule-sec
      Half-Life =     0.053 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.642 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0671 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  337.9
      Log Koc:  2.529 

 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: 0.60 (estimated)

 Volatilization from Water:
    Henry LC:  5.41E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.317E+009  hours   (5.489E+007 days)
    Half-Life from Model Lake : 1.437E+010  hours   (5.988E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       1.31e-005       1.28         1000       
   Water     37              360          1000       
   Soil      62.9            720          1000       
   Sediment  0.0703          3.24e+003    0          
     Persistence Time: 592 hr

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