ChemSpider 2D Image | 2-(4-Pyrimidinyl)quinoxaline | C12H8N4

2-(4-Pyrimidinyl)quinoxaline

  • Molecular FormulaC12H8N4
  • Average mass208.219 Da
  • Monoisotopic mass208.074890 Da
  • ChemSpider ID3297222

More details:

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

2-(4-Pyrimidinyl)chinoxalin [German] [ACD/IUPAC Name]
2-(4-Pyrimidinyl)quinoxaline [ACD/IUPAC Name]
2-(4-Pyrimidinyl)quinoxaline [French] [ACD/IUPAC Name]
Quinoxaline, 2-(4-pyrimidinyl)- [ACD/Index Name]
2-(PYRIMIDIN-4-YL)QUINOXALINE|2-(PYRIMIDIN-4-YL)QUINOXALINE
2-pyrimidin-4-ylquinoxaline
79436-55-8 [RN]

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

Density: 1.3±0.1 g/cm3
Boiling Point: 403.5±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 62.9±3.0 kJ/mol
Flash Point: 190.7±18.9 °C
Index of Refraction: 1.679
Molar Refractivity: 61.1±0.3 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.94
ACD/LogD (pH 5.5): 1.37
ACD/BCF (pH 5.5): 6.42
ACD/KOC (pH 5.5): 131.75
ACD/LogD (pH 7.4): 1.37
ACD/BCF (pH 7.4): 6.42
ACD/KOC (pH 7.4): 131.75
Polar Surface Area: 52 Å2
Polarizability: 24.2±0.5 10-24cm3
Surface Tension: 66.0±3.0 dyne/cm
Molar Volume: 161.7±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) =  0.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  377.38  (Adapted Stein & Brown method)
    Melting Pt (deg C):  152.57  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.47E-006  (Modified Grain method)
    Subcooled liquid VP: 2.93E-005 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):  7799
       log Kow used: 0.83 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  443.16 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.19E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.164E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.83  (KowWin est)
  Log Kaw used:  -9.313  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.143
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6484
   Biowin2 (Non-Linear Model)     :   0.5130
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7390  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5473  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1584
   Biowin6 (MITI Non-Linear Model):   0.0742
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0726
 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):  0.00391 Pa (2.93E-005 mm Hg)
  Log Koa (Koawin est  ): 10.143
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000768 
       Octanol/air (Koa) model:  0.00341 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.027 
       Mackay model           :  0.0579 
       Octanol/air (Koa) model:  0.214 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.8740 E-12 cm3/molecule-sec
      Half-Life =     2.761 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    33.131 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0424 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  815.4
      Log Koc:  2.911 

 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: 0.83 (estimated)

 Volatilization from Water:
    Henry LC:  1.19E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:   7.1E+007  hours   (2.958E+006 days)
    Half-Life from Model Lake : 7.745E+008  hours   (3.227E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.78  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       0.000163        66.3         1000       
   Water     42.3            900          1000       
   Soil      57.6            1.8e+003     1000       
   Sediment  0.0867          8.1e+003     0          
     Persistence Time: 1.03e+003 hr

Click to predict properties on the Chemicalize site


Advertisement