ChemSpider 2D Image | Zarzissine | C5H5N5

Zarzissine

  • Molecular FormulaC5H5N5
  • Average mass135.127 Da
  • Monoisotopic mass135.054489 Da
  • ChemSpider ID4912106

More details:

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

160568-14-9 [RN]
1H-Imidazo[4,5-d]pyridazin-2-amin [German] [ACD/IUPAC Name]
1H-Imidazo[4,5-d]pyridazin-2-amine [ACD/Index Name] [ACD/IUPAC Name]
1H-Imidazo[4,5-d]pyridazin-2-amine [French] [ACD/Index Name] [ACD/IUPAC Name]
Zarzissine
1H-Imidazo(4,5-d)pyridazin-2-amine
  • Miscellaneous

    • Chemical Class:

      A organonitrogen heterocyclic compound that is 1<element>H</element>-imidazo[4,5-<ital>d</ital>]pyridazine substituted by an amino group at position 2. A guanidine alkaloid isolated from <ital>Anchino e paupertas</ital>, it exhibits cytotoxic activity against human and murine tumor cell lines. ChEBI CHEBI:66501
      A organonitrogen heterocyclic compound that is 1H-imidazo[4,5-d]pyridazine substituted by an amino group at position 2. A guanidine alkaloid isolated from Anchinoe paupertas, it exhibits cytotoxic act ivity against human and murine tumor cell lines. ChEBI CHEBI:66501

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

Density: 1.6±0.1 g/cm3
Boiling Point: 565.7±42.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 85.0±3.0 kJ/mol
Flash Point: 330.5±15.1 °C
Index of Refraction: 1.837
Molar Refractivity: 37.0±0.3 cm3
#H bond acceptors: 5
#H bond donors: 3
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -2.21
ACD/LogD (pH 5.5): -3.04
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.40
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 80 Å2
Polarizability: 14.7±0.5 10-24cm3
Surface Tension: 122.7±3.0 dyne/cm
Molar Volume: 83.8±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) =  -1.18

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  425.43  (Adapted Stein & Brown method)
    Melting Pt (deg C):  171.23  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.11E-008  (Modified Grain method)
    Subcooled liquid VP: 1.99E-006 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):  4.335e+004
       log Kow used: -1.18 (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
       Imidazoles

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.90E-014  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.506E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.18  (KowWin est)
  Log Kaw used:  -11.550  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.370
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4495
   Biowin2 (Non-Linear Model)     :   0.3064
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7656  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5444  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1689
   Biowin6 (MITI Non-Linear Model):   0.0862
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3674
 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):  0.000265 Pa (1.99E-006 mm Hg)
  Log Koa (Koawin est  ): 10.370
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0113 
       Octanol/air (Koa) model:  0.00575 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.29 
       Mackay model           :  0.475 
       Octanol/air (Koa) model:  0.315 

 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): 0.382 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  18.96
      Log Koc:  1.278 

 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: -1.18 (estimated)

 Volatilization from Water:
    Henry LC:  6.9E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.864E+009  hours   (4.11E+008 days)
    Half-Life from Model Lake : 1.076E+011  hours   (4.484E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       2.48e-006       1.28         1000       
   Water     39              360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr

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