ChemSpider 2D Image | 4-Aminopyridinium | C5H7N2

4-Aminopyridinium

  • Molecular FormulaC5H7N2
  • Average mass95.122 Da
  • Monoisotopic mass95.060371 Da
  • ChemSpider ID392218

  • Charge - Charge

More details:

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

4-Aminopyridinium [ACD/IUPAC Name]
4-Aminopyridinium [German] [ACD/IUPAC Name]
4-Aminopyridinium [French] [ACD/IUPAC Name]
Pyridinium, 4-amino- [ACD/Index Name]
504-24-5 [RN]
Pyridine N Protonated

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

BIIB 041 [DBID]
ZINC00599985 [DBID]

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

Density:
Boiling Point: 255.2±13.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.5 mmHg at 25°C
Enthalpy of Vaporization: 49.3±3.0 kJ/mol
Flash Point: 131.8±7.0 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 2
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.26
ACD/LogD (pH 5.5): -2.17
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.46
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 40 Å2
Polarizability:
Surface Tension:
Molar Volume:

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.11

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  193.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  26.76  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.437  (Modified Grain method)
    Subcooled liquid VP: 0.453 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):  1.506e+005
       log Kow used: -0.11 (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:
       Aromatic Amines

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.49E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.632E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.11  (KowWin est)
  Log Kaw used:  -6.992  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.882
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4685
   Biowin2 (Non-Linear Model)     :   0.4381
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8540  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6021  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3043
   Biowin6 (MITI Non-Linear Model):   0.2756
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1765
 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):  60.4 Pa (0.453 mm Hg)
  Log Koa (Koawin est  ): 6.882
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.97E-008 
       Octanol/air (Koa) model:  1.87E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.79E-006 
       Mackay model           :  3.97E-006 
       Octanol/air (Koa) model:  0.00015 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  20.4268 E-12 cm3/molecule-sec
      Half-Life =     0.524 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.284 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.88E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  44.78
      Log Koc:  1.651 

 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: -0.11 (estimated)

 Volatilization from Water:
    Henry LC:  2.49E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.293E+005  hours   (9555 days)
    Half-Life from Model Lake : 2.502E+006  hours   (1.042E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  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       0.0563          12.6         1000       
   Water     38.9            360          1000       
   Soil      61              720          1000       
   Sediment  0.0717          3.24e+003    0          
     Persistence Time: 568 hr

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