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ChemSpider 2D Image | Quinoxaline N-oxide | C8H6N2O

Quinoxaline N-oxide

  • Molecular FormulaC8H6N2O
  • Average mass146.146 Da
  • Monoisotopic mass146.048019 Da
  • ChemSpider ID21848

More details:

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

Quinoxaline N-oxide
1-Oxide quinoxaline
1-Oxyde de quinoxaline [French] [ACD/IUPAC Name]
6935-29-1 [RN]
Chinoxalin-1-oxid [German] [ACD/IUPAC Name]
MFCD00054593 [MDL number]
Quinoxaline 1-oxide [ACD/IUPAC Name]
Quinoxaline, 1-oxide [ACD/Index Name]
VD3520000
1-oxidoquinoxalin-1-ium
More...

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

AG-227/30749025 [DBID]
BRN 0117865 [DBID]
NSC 193509 [DBID]
NSC 48942 [DBID]
NSC193509 [DBID]
NSC48942 [DBID]
ZINC00333208 [DBID]

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

Density: 1.2±0.1 g/cm3
Boiling Point: 318.5±34.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.7 mmHg at 25°C
Enthalpy of Vaporization: 53.8±3.0 kJ/mol
Flash Point: 146.4±25.7 °C
Index of Refraction: 1.641
Molar Refractivity: 42.2±0.5 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 0.74
ACD/LogD (pH 5.5): 1.05
ACD/BCF (pH 5.5): 3.70
ACD/KOC (pH 5.5): 88.83
ACD/LogD (pH 7.4): 1.05
ACD/BCF (pH 7.4): 3.70
ACD/KOC (pH 7.4): 88.83
Polar Surface Area: 38 Å2
Polarizability: 16.7±0.5 10-24cm3
Surface Tension: 51.4±7.0 dyne/cm
Molar Volume: 117.0±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) =  0.64

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  295.81  (Adapted Stein & Brown method)
    Melting Pt (deg C):  92.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000187  (Modified Grain method)
    Subcooled liquid VP: 0.000832 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):  2.235e+004
       log Kow used: 0.64 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2374 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.620E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6775
   Biowin2 (Non-Linear Model)     :   0.7149
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8740  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6354  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3237
   Biowin6 (MITI Non-Linear Model):   0.2686
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2635
 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):  0.111 Pa (0.000832 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.7E-005 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000976 
       Mackay model           :  0.00216 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.1400 E-12 cm3/molecule-sec
      Half-Life =     4.998 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    59.977 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00157 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  329.3
      Log Koc:  2.518 

 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: 0.64 (estimated)

 Volatilization from Water:
    Henry LC:  1.62E-009 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River: 4.384E+005  hours   (1.827E+004 days)
    Half-Life from Model Lake : 4.783E+006  hours   (1.993E+005 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       0.0371          120          1000       
   Water     36.9            360          1000       
   Soil      63              720          1000       
   Sediment  0.0703          3.24e+003    0          
     Persistence Time: 591 hr

Click to predict properties on the Chemicalize site


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