ChemSpider 2D Image | quinoxalinic acid | C9H6N2O2

quinoxalinic acid

  • Molecular FormulaC9H6N2O2
  • Average mass174.156 Da
  • Monoisotopic mass174.042923 Da
  • ChemSpider ID87301

More details:

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

2-Chinoxalincarbonsäure [German] [ACD/IUPAC Name]
2-Quinoxalinecarboxylic acid [ACD/Index Name] [ACD/IUPAC Name]
879-65-2 [RN]
Acide 2-quinoxalinecarboxylique [French] [ACD/IUPAC Name]
Acide quinoxaline-2-carboxylique [French]
quinoxaline-2-carboxylic acid
quinoxalinic acid
[879-65-2] [RN]
2-Carboxyquinoxaline
2-Carboxyquinoxaline, 2-Carboxy-1,4-benzodiazine
More...

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

M5OE8SN42M [DBID]
MFCD00012334 [DBID]
293407_ALDRICH [DBID]
AIDS163050 [DBID]
AIDS-163050 [DBID]
CCRIS 4693 [DBID]
EU-0066606 [DBID]
MLS000056026 [DBID]
NCIOpen2_001193 [DBID]
NSC 86873 [DBID]
More...

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

Density: 1.4±0.1 g/cm3
Boiling Point: 355.1±27.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.8 mmHg at 25°C
Enthalpy of Vaporization: 63.3±3.0 kJ/mol
Flash Point: 168.6±23.7 °C
Index of Refraction: 1.697
Molar Refractivity: 47.2±0.3 cm3
#H bond acceptors: 4
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.80
ACD/LogD (pH 5.5): -0.81
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): -1.46
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 63 Å2
Polarizability: 18.7±0.5 10-24cm3
Surface Tension: 75.8±3.0 dyne/cm
Molar Volume: 122.5±3.0 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) =  1.00

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  350.71  (Adapted Stein & Brown method)
    Melting Pt (deg C):  131.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.09E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000127 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):  8263
       log Kow used: 1.00 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  14905 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 :   5.73E-012  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.023E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.00  (KowWin est)
  Log Kaw used:  -9.630  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.630
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8415
   Biowin2 (Non-Linear Model)     :   0.9506
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9022  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6042  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6121
   Biowin6 (MITI Non-Linear Model):   0.6326
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6245
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0169 Pa (0.000127 mm Hg)
  Log Koa (Koawin est  ): 10.630
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000177 
       Octanol/air (Koa) model:  0.0105 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00636 
       Mackay model           :  0.014 
       Octanol/air (Koa) model:  0.456 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.2605 E-12 cm3/molecule-sec
      Half-Life =     8.485 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =   101.823 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0102 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  17.44
      Log Koc:  1.242 

 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: 1.00 (estimated)

 Volatilization from Water:
    Henry LC:  5.73E-012 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.348E+008  hours   (5.619E+006 days)
    Half-Life from Model Lake : 1.471E+009  hours   (6.129E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.89  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.79  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       0.000129        204          1000       
   Water     34.6            360          1000       
   Soil      65.3            720          1000       
   Sediment  0.0693          3.24e+003    0          
     Persistence Time: 610 hr

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