ChemSpider 2D Image | [1,2,4]Triazolo[4,3-b]pyridazine-6(5H)-thione | C5H4N4S

[1,2,4]Triazolo[4,3-b]pyridazine-6(5H)-thione

  • Molecular FormulaC5H4N4S
  • Average mass152.177 Da
  • Monoisotopic mass152.015671 Da
  • ChemSpider ID811604

More details:

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

[1,2,4]Triazolo[4,3-b]pyridazin-6(5H)-thion [German] [ACD/IUPAC Name]
[1,2,4]Triazolo[4,3-b]pyridazine-6(5H)-thione [ACD/IUPAC Name]
[1,2,4]Triazolo[4,3-b]pyridazine-6(5H)-thione [French] [ACD/IUPAC Name]
1,2,4-Triazolo[4,3-b]pyridazine-6(5H)-thione [ACD/Index Name]
4-hydro-1,2,4-triazolo[4,3-e]pyridazine-6-thiol
58826-44-1 [RN]
5H-[1,2,4]triazolo[4,3-b]pyridazine-6-thione
MFCD00493804 [MDL number]
MFCD30181475
STK741258

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

ZINC00523185 [DBID]

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

    Density: 1.7±0.1 g/cm3
    Boiling Point: 413.1±28.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.0 mmHg at 25°C
    Enthalpy of Vaporization: 66.6±3.0 kJ/mol
    Flash Point: 203.6±24.0 °C
    Index of Refraction: 1.879
    Molar Refractivity: 40.9±0.5 cm3
    #H bond acceptors: 4
    #H bond donors: 1
    #Freely Rotating Bonds: 0
    #Rule of 5 Violations: 0
    ACD/LogP: -0.02
    ACD/LogD (pH 5.5): -0.53
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 12.22
    ACD/LogD (pH 7.4): -0.87
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 5.51
    Polar Surface Area: 75 Å2
    Polarizability: 16.2±0.5 10-24cm3
    Surface Tension: 71.4±7.0 dyne/cm
    Molar Volume: 89.4±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) =  -1.10

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  333.90  (Adapted Stein & Brown method)
    Melting Pt (deg C):  126.53  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.07E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000317 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):  3.17e+004
       log Kow used: -1.10 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.318e+005 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.79E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.939E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.10  (KowWin est)
  Log Kaw used:  -7.497  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.397
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6751
   Biowin2 (Non-Linear Model)     :   0.7001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8629  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6282  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2800
   Biowin6 (MITI Non-Linear Model):   0.1557
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5936
 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):  0.0423 Pa (0.000317 mm Hg)
  Log Koa (Koawin est  ): 6.397
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.1E-005 
       Octanol/air (Koa) model:  6.12E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00256 
       Mackay model           :  0.00565 
       Octanol/air (Koa) model:  4.9E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  56.4940 E-12 cm3/molecule-sec
      Half-Life =     0.189 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.272 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec
      Half-Life =     0.546 Days (at 7E11 mol/cm3)
      Half-Life =     13.097 Hrs
   Fraction sorbed to airborne particulates (phi): 0.0041 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  128.1
      Log Koc:  2.108 

 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: -1.10 (estimated)

 Volatilization from Water:
    Henry LC:  7.79E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.271E+005  hours   (3.863E+004 days)
    Half-Life from Model Lake : 1.011E+007  hours   (4.214E+005 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       0.0177          3.37         1000       
   Water     39.3            360          1000       
   Soil      60.6            720          1000       
   Sediment  0.0719          3.24e+003    0          
     Persistence Time: 565 hr

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