ChemSpider 2D Image | 5-HYDROXYMETHYL-2-METHYL-5,8-DIHYDRO-[1,2,4]TRIAZOLO[1,2-A]PYRIDAZINE-1,3-DIONE | C8H11N3O3

5-HYDROXYMETHYL-2-METHYL-5,8-DIHYDRO-[1,2,4]TRIAZOLO[1,2-A]PYRIDAZINE-1,3-DIONE

  • Molecular FormulaC8H11N3O3
  • Average mass197.191 Da
  • Monoisotopic mass197.080048 Da
  • ChemSpider ID4450707

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(5S)-5-(Hydroxymethyl)-2-methyl-5,8-dihydro-1H-[1,2,4]triazolo[1,2-a]pyridazin-1,3(2H)-dion [German] [ACD/IUPAC Name]
(5S)-5-(Hydroxymethyl)-2-methyl-5,8-dihydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione [ACD/IUPAC Name]
(5S)-5-(Hydroxyméthyl)-2-méthyl-5,8-dihydro-1H-[1,2,4]triazolo[1,2-a]pyridazine-1,3(2H)-dione [French] [ACD/IUPAC Name]
1H-[1,2,4]Triazolo[1,2-a]pyridazine-1,3(2H)-dione, 5,8-dihydro-5-(hydroxymethyl)-2-methyl-, (5S)- [ACD/Index Name]
5-HYDROXYMETHYL-2-METHYL-5,8-DIHYDRO-[1,2,4]TRIAZOLO[1,2-A]PYRIDAZINE-1,3-DIONE

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

Density: 1.5±0.1 g/cm3
Boiling Point: 309.7±52.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 63.8±6.0 kJ/mol
Flash Point: 141.1±30.7 °C
Index of Refraction: 1.671
Molar Refractivity: 48.3±0.4 cm3
#H bond acceptors: 6
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: -3.11
ACD/LogD (pH 5.5): -0.08
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 21.69
ACD/LogD (pH 7.4): -0.08
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 21.69
Polar Surface Area: 64 Å2
Polarizability: 19.1±0.5 10-24cm3
Surface Tension: 77.6±5.0 dyne/cm
Molar Volume: 129.1±5.0 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) =  -0.59

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  391.59  (Adapted Stein & Brown method)
    Melting Pt (deg C):  152.76  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.63E-008  (Modified Grain method)
    Subcooled liquid VP: 3.26E-007 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):  7063
       log Kow used: -0.59 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4563.4 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Hydrazines
       Imides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.11E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.988E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.59  (KowWin est)
  Log Kaw used:  -13.064  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.474
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8124
   Biowin2 (Non-Linear Model)     :   0.7902
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9234  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6927  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3810
   Biowin6 (MITI Non-Linear Model):   0.1751
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6877
 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):  4.35E-005 Pa (3.26E-007 mm Hg)
  Log Koa (Koawin est  ): 12.474
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.069 
       Octanol/air (Koa) model:  0.731 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.714 
       Mackay model           :  0.847 
       Octanol/air (Koa) model:  0.983 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  77.7313 E-12 cm3/molecule-sec
      Half-Life =     0.138 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.651 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    20.000000 E-17 cm3/molecule-sec
      Half-Life =     0.057 Days (at 7E11 mol/cm3)
      Half-Life =      1.375 Hrs
   Fraction sorbed to airborne particulates (phi): 0.78 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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: -0.59 (estimated)

 Volatilization from Water:
    Henry LC:  2.11E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.897E+011  hours   (1.624E+010 days)
    Half-Life from Model Lake : 4.251E+012  hours   (1.771E+011 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       1.99e-007       0.971        1000       
   Water     38.9            360          1000       
   Soil      61.1            720          1000       
   Sediment  0.0713          3.24e+003    0          
     Persistence Time: 580 hr

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