ChemSpider 2D Image | 2-Methyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one | C10H8N4O

2-Methyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one

  • Molecular FormulaC10H8N4O
  • Average mass200.197 Da
  • Monoisotopic mass200.069809 Da
  • ChemSpider ID10507945

More details:

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

[1,2,4]Triazolo[1,5-c]quinazolin-5(6H)-one, 2-methyl- [ACD/Index Name]
258350-94-6 [RN]
2-Methyl[1,2,4]triazolo[1,5-c]chinazolin-5(6H)-on [German] [ACD/IUPAC Name]
2-Methyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one [ACD/IUPAC Name]
2-Méthyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one [French] [ACD/IUPAC Name]
2-methyl-5H,6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one
MFCD07311001 [MDL number]

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

Density: 1.5±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.789
Molar Refractivity: 54.8±0.5 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.55
ACD/LogD (pH 5.5): 1.34
ACD/BCF (pH 5.5): 6.12
ACD/KOC (pH 5.5): 127.26
ACD/LogD (pH 7.4): 1.34
ACD/BCF (pH 7.4): 6.11
ACD/KOC (pH 7.4): 126.99
Polar Surface Area: 60 Å2
Polarizability: 21.7±0.5 10-24cm3
Surface Tension: 65.2±7.0 dyne/cm
Molar Volume: 129.4±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) =  1.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  417.97  (Adapted Stein & Brown method)
    Melting Pt (deg C):  174.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.6E-008  (Modified Grain method)
    Subcooled liquid VP: 3.03E-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):  198.6
       log Kow used: 1.44 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6107.9 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.30E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.141E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.44  (KowWin est)
  Log Kaw used:  -8.870  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.310
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7069
   Biowin2 (Non-Linear Model)     :   0.6776
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6819  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4904  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1909
   Biowin6 (MITI Non-Linear Model):   0.0783
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0826
 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):  0.000404 Pa (3.03E-006 mm Hg)
  Log Koa (Koawin est  ): 10.310
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00743 
       Octanol/air (Koa) model:  0.00501 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.211 
       Mackay model           :  0.373 
       Octanol/air (Koa) model:  0.286 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.7107 E-12 cm3/molecule-sec
      Half-Life =     0.348 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.179 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.292 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  318.8
      Log Koc:  2.504 

 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 = 0.411 (BCF = 2.575)
       log Kow used: 1.44 (estimated)

 Volatilization from Water:
    Henry LC:  3.3E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  2.51E+007  hours   (1.046E+006 days)
    Half-Life from Model Lake : 2.739E+008  hours   (1.141E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.96  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.86  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       0.00052         8.36         1000       
   Water     34              900          1000       
   Soil      65.9            1.8e+003     1000       
   Sediment  0.0833          8.1e+003     0          
     Persistence Time: 1.17e+003 hr

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