ChemSpider 2D Image | (4-Methyl-2-oxo-3,4-dihydro-1(2H)-quinoxalinyl)acetate | C11H11N2O3

(4-Methyl-2-oxo-3,4-dihydro-1(2H)-quinoxalinyl)acetate

  • Molecular FormulaC11H11N2O3
  • Average mass219.217 Da
  • Monoisotopic mass219.077515 Da
  • ChemSpider ID10548606

  • Charge - Charge

More details:

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

(4-Methyl-2-oxo-3,4-dihydro-1(2H)-chinoxalinyl)acetat [German] [ACD/IUPAC Name]
(4-Methyl-2-oxo-3,4-dihydro-1(2H)-quinoxalinyl)acetate [ACD/IUPAC Name]
(4-Méthyl-2-oxo-3,4-dihydro-1(2H)-quinoxalinyl)acétate [French] [ACD/IUPAC Name]
1(2H)-Quinoxalineacetic acid, 3,4-dihydro-4-methyl-2-oxo-, ion(1-) [ACD/Index Name]

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

Density:
Boiling Point: 516.6±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.4 mmHg at 25°C
Enthalpy of Vaporization: 83.0±3.0 kJ/mol
Flash Point: 266.2±28.7 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.52
ACD/LogD (pH 5.5): -1.40
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -2.80
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 64 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) =  0.57

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  406.85  (Adapted Stein & Brown method)
    Melting Pt (deg C):  169.09  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.84E-007  (Modified Grain method)
    Subcooled liquid VP: 5.66E-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):  1.109e+004
       log Kow used: 0.57 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.2862e+005 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 :   1.98E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.808E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.57  (KowWin est)
  Log Kaw used:  -10.092  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.662
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7203
   Biowin2 (Non-Linear Model)     :   0.7297
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7681  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8330  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3823
   Biowin6 (MITI Non-Linear Model):   0.1846
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.1752
 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):  0.000755 Pa (5.66E-006 mm Hg)
  Log Koa (Koawin est  ): 10.662
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00398 
       Octanol/air (Koa) model:  0.0113 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.126 
       Mackay model           :  0.241 
       Octanol/air (Koa) model:  0.474 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  87.8370 E-12 cm3/molecule-sec
      Half-Life =     0.122 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.461 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.183 (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: 0.57 (estimated)

 Volatilization from Water:
    Henry LC:  1.98E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.388E+008  hours   (1.828E+007 days)
    Half-Life from Model Lake : 4.787E+009  hours   (1.995E+008 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       5.41e-005       2.92         1000       
   Water     37.1            360          1000       
   Soil      62.8            720          1000       
   Sediment  0.0703          3.24e+003    0          
     Persistence Time: 591 hr

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