ChemSpider 2D Image | Pyrimidine 1-oxide | C4H4N2O

Pyrimidine 1-oxide

  • Molecular FormulaC4H4N2O
  • Average mass96.087 Da
  • Monoisotopic mass96.032364 Da
  • ChemSpider ID123614

More details:






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

17043-94-6 [RN]
1-Oxyde de pyrimidine [French] [ACD/IUPAC Name]
MFCD09265155 [MDL number]
Pyrimidin-1-oxid [German] [ACD/IUPAC Name]
Pyrimidine 1-oxide [ACD/IUPAC Name]
Pyrimidine N-oxide
Pyrimidine, 1-oxide [ACD/Index Name]
Pyrimidine-1-oxide
[17043-94-6] [RN]
1??-PYRIMIDIN-1-ONE
More...

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

681350_ALDRICH [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: 241.6±23.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.5 mmHg at 25°C
Enthalpy of Vaporization: 45.9±3.0 kJ/mol
Flash Point: 99.9±22.6 °C
Index of Refraction: 1.565
Molar Refractivity: 26.3±0.5 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: -1.89
ACD/LogD (pH 5.5): -1.30
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 4.69
ACD/LogD (pH 7.4): -1.30
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 4.69
Polar Surface Area: 38 Å2
Polarizability: 10.4±0.5 10-24cm3
Surface Tension: 49.0±7.0 dyne/cm
Molar Volume: 80.7±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) =  -0.54

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  187.66  (Adapted Stein & Brown method)
    Melting Pt (deg C):  22.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.366  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.447e+005
       log Kow used: -0.54 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  88417 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]:  1.357E-007 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)         :   0.7013
   Biowin2 (Non-Linear Model)     :   0.8362
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9846  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7076  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4561
   Biowin6 (MITI Non-Linear Model):   0.5506
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4544
 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):  44 Pa (0.33 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.82E-008 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.46E-006 
       Mackay model           :  5.45E-006 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.3700 E-12 cm3/molecule-sec
      Half-Life =    28.908 Days (12-hr day; 1.5E6 OH/cm3)
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.96E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  29.05
      Log Koc:  1.463 

 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: -0.54 (estimated)

 Volatilization from Water:
    Henry LC:  1.36E-007 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:       4254  hours   (177.2 days)
    Half-Life from Model Lake : 4.649E+004  hours   (1937 days)

 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.4             694          1000       
   Water     40.7            360          1000       
   Soil      56.8            720          1000       
   Sediment  0.0747          3.24e+003    0          
     Persistence Time: 500 hr




                    

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