ChemSpider 2D Image | 6-Oxo-1,6-dihydro-3-pyridazinolate | C4H3N2O2

6-Oxo-1,6-dihydro-3-pyridazinolate

  • Molecular FormulaC4H3N2O2
  • Average mass111.079 Da
  • Monoisotopic mass111.020004 Da
  • ChemSpider ID2982705
  • Charge - Charge


More details:






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

3,6-Pyridazinedione, 1,2-dihydro-, ion(1-) [ACD/Index Name]
6-Oxo-1,6-dihydro-3-pyridazinolat [German] [ACD/IUPAC Name]
6-Oxo-1,6-dihydro-3-pyridazinolate [ACD/IUPAC Name]
6-Oxo-1,6-dihydro-3-pyridazinolate [French] [ACD/IUPAC Name]

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

Density:
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 4
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -0.90
ACD/LogD (pH 5.5): -0.95
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 6.96
ACD/LogD (pH 7.4): -1.84
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 65 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) =  -1.46
    Log Kow (Exper. database match) =  -0.90
       Exper. Ref:  Baker,EA et al. (1992)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  367.60  (Adapted Stein & Brown method)
    Melting Pt (deg C):  131.88  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.38E-007  (Modified Grain method)
    Subcooled liquid VP: 1.63E-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):  3.077e+004
       log Kow used: -0.90 (expkow database)
       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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.00E-013  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.615E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.90  (exp database)
  Log Kaw used:  -10.911  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.011
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6942
   Biowin2 (Non-Linear Model)     :   0.8049
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9515  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6860  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3911
   Biowin6 (MITI Non-Linear Model):   0.3423
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6890
 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):  0.000217 Pa (1.63E-006 mm Hg)
  Log Koa (Koawin est  ): 10.011
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0138 
       Octanol/air (Koa) model:  0.00252 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.333 
       Mackay model           :  0.525 
       Octanol/air (Koa) model:  0.168 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  16.9200 E-12 cm3/molecule-sec
      Half-Life =     0.632 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.586 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.429 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.028
      Log Koc:  0.307 

 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: -0.90 (expkow database)

 Volatilization from Water:
    Henry LC:  3E-013 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.066E+009  hours   (8.609E+007 days)
    Half-Life from Model Lake : 2.254E+010  hours   (9.392E+008 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       1.11e-005       13.8         1000       
   Water     38.9            360          1000       
   Soil      61              720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 579 hr




                    

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