ChemSpider 2D Image | 3,4-Dihydro-4-oxo-6-quinazolinecarboxylic acid | C9H6N2O3

3,4-Dihydro-4-oxo-6-quinazolinecarboxylic acid

  • Molecular FormulaC9H6N2O3
  • Average mass190.156 Da
  • Monoisotopic mass190.037842 Da
  • ChemSpider ID11499107

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

3,4-Dihydro-4-oxo-6-quinazolinecarboxylic acid
33986-75-3 [RN]
4-Oxo-1,4-dihydro-6-chinazolincarbonsäure [German] [ACD/IUPAC Name]
4-Oxo-1,4-dihydro-6-quinazolinecarboxylic acid [ACD/IUPAC Name]
4-Oxo-1,4-dihydroquinazoline-6-carboxylic acid
4-Oxo-3,4-dihydroquinazoline-6-carboxylic acid
6-quinazolinecarboxylic acid, 1,4-dihydro-4-oxo-
6-Quinazolinecarboxylic acid, 3,4-dihydro-4-oxo- [ACD/Index Name]
Acide 4-oxo-1,4-dihydro-6-quinazolinecarboxylique [French] [ACD/IUPAC Name]
MFCD09878505 [MDL number]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

CCRIS 4693 [DBID]

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

    Density: 1.6±0.1 g/cm3
    Boiling Point: 540.6±33.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.5 mmHg at 25°C
    Enthalpy of Vaporization: 86.1±3.0 kJ/mol
    Flash Point: 280.7±25.4 °C
    Index of Refraction: 1.711
    Molar Refractivity: 47.6±0.5 cm3
    #H bond acceptors: 5
    #H bond donors: 2
    #Freely Rotating Bonds: 1
    #Rule of 5 Violations: 0
    ACD/LogP: 0.45
    ACD/LogD (pH 5.5): -0.68
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 2.40
    ACD/LogD (pH 7.4): -2.20
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 1.00
    Polar Surface Area: 79 Å2
    Polarizability: 18.9±0.5 10-24cm3
    Surface Tension: 67.4±7.0 dyne/cm
    Molar Volume: 121.7±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) =  0.45

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  470.26  (Adapted Stein & Brown method)
    Melting Pt (deg C):  198.70  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.27E-009  (Modified Grain method)
    Subcooled liquid VP: 1.54E-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):  2.021e+004
       log Kow used: 0.45 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  50632 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.35E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.810E-014 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.45  (KowWin est)
  Log Kaw used:  -12.522  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.972
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6001
   Biowin2 (Non-Linear Model)     :   0.6950
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7319  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4728  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4028
   Biowin6 (MITI Non-Linear Model):   0.1803
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5770
 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):  2.05E-005 Pa (1.54E-007 mm Hg)
  Log Koa (Koawin est  ): 12.972
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.146 
       Octanol/air (Koa) model:  2.3 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.841 
       Mackay model           :  0.921 
       Octanol/air (Koa) model:  0.995 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  32.9606 E-12 cm3/molecule-sec
      Half-Life =     0.325 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.894 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.881 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  33.4
      Log Koc:  1.524 

 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: 0.45 (estimated)

 Volatilization from Water:
    Henry LC:  7.35E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.098E+011  hours   (4.577E+009 days)
    Half-Life from Model Lake : 1.198E+012  hours   (4.993E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  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       8.64e-007       7.79         1000       
   Water     44.6            900          1000       
   Soil      55.3            1.8e+003     1000       
   Sediment  0.088           8.1e+003     0          
     Persistence Time: 998 hr

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