ChemSpider 2D Image | 2-Phenyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one | C15H10N4O


  • Molecular FormulaC15H10N4O
  • Average mass262.266 Da
  • Monoisotopic mass262.085449 Da
  • ChemSpider ID10496441

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-phenyl- [ACD/Index Name]
2-Phenyl[1,2,4]triazolo[1,5-c]chinazolin-5(6H)-on [German] [ACD/IUPAC Name]
2-Phenyl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one [ACD/IUPAC Name]
2-Phényl[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one [French] [ACD/IUPAC Name]

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

Density: 1.4±0.1 g/cm3
Boiling Point:
Vapour Pressure:
Enthalpy of Vaporization:
Flash Point:
Index of Refraction: 1.766
Molar Refractivity: 75.4±0.5 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 3.74
ACD/LogD (pH 5.5): 2.77
ACD/BCF (pH 5.5): 74.83
ACD/KOC (pH 5.5): 763.99
ACD/LogD (pH 7.4): 2.77
ACD/BCF (pH 7.4): 74.58
ACD/KOC (pH 7.4): 761.43
Polar Surface Area: 60 Å2
Polarizability: 29.9±0.5 10-24cm3
Surface Tension: 63.0±7.0 dyne/cm
Molar Volume: 182.3±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) =  2.66

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  504.60  (Adapted Stein & Brown method)
    Melting Pt (deg C):  214.75  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2E-010  (Modified Grain method)
    Subcooled liquid VP: 2.1E-008 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):  8.402
       log Kow used: 2.66 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  101.2 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.29E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.215E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.66  (KowWin est)
  Log Kaw used:  -10.029  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.689
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7508
   Biowin2 (Non-Linear Model)     :   0.7472
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6416  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4742  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0058
   Biowin6 (MITI Non-Linear Model):   0.0186
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1954
 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):  2.8E-006 Pa (2.1E-008 mm Hg)
  Log Koa (Koawin est  ): 12.689
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.07 
       Octanol/air (Koa) model:  1.2 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.975 
       Mackay model           :  0.988 
       Octanol/air (Koa) model:  0.99 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.9621 E-12 cm3/molecule-sec
      Half-Life =     0.315 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.779 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.982 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7436
      Log Koc:  3.871 

 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 = 1.348 (BCF = 22.27)
       log Kow used: 2.66 (estimated)

 Volatilization from Water:
    Henry LC:  2.29E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  4.14E+008  hours   (1.725E+007 days)
    Half-Life from Model Lake : 4.517E+009  hours   (1.882E+008 days)

 Removal In Wastewater Treatment:
    Total removal:               3.64  percent
    Total biodegradation:        0.11  percent
    Total sludge adsorption:     3.54  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       0.00111         7.56         1000       
   Water     14.7            900          1000       
   Soil      85.1            1.8e+003     1000       
   Sediment  0.163           8.1e+003     0          
     Persistence Time: 1.7e+003 hr


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