ChemSpider 2D Image | MFCD06738985 | C8H6N4O2

MFCD06738985

  • Molecular FormulaC8H6N4O2
  • Average mass190.159 Da
  • Monoisotopic mass190.049072 Da
  • ChemSpider ID20572193

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

1029108-75-5 [RN]
1H-Pyrazole-3-carboxylic acid, 5-(2-pyrazinyl)- [ACD/Index Name]
5-(2-Pyrazinyl)-1H-pyrazol-3-carbonsäure [German] [ACD/IUPAC Name]
5-(2-Pyrazinyl)-1H-pyrazole-3-carboxylic acid [ACD/IUPAC Name]
5-(pyrazin-2-yl)-1H-pyrazole-3-carboxylic acid
5-Pyrazin-2-yl-1H-pyrazole-3-carboxylic acid
Acide 5-(2-pyrazinyl)-1H-pyrazole-3-carboxylique [French] [ACD/IUPAC Name]
acide 5-(pyrazin-2-yl)-1H-pyrazole-3-carboxylique [French]
MFCD06738985
[1029108-75-5] [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

CCRIS 4693 [DBID]

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

    Density: 1.5±0.1 g/cm3
    Boiling Point: 545.7±50.0 °C at 760 mmHg
    Vapour Pressure: 0.0±1.5 mmHg at 25°C
    Enthalpy of Vaporization: 86.8±3.0 kJ/mol
    Flash Point: 283.8±30.1 °C
    Index of Refraction: 1.664
    Molar Refractivity: 46.5±0.3 cm3
    #H bond acceptors: 6
    #H bond donors: 2
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: -0.29
    ACD/LogD (pH 5.5): -1.93
    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: 92 Å2
    Polarizability: 18.4±0.5 10-24cm3
    Surface Tension: 89.1±3.0 dyne/cm
    Molar Volume: 125.2±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) =  -0.35

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  415.97  (Adapted Stein & Brown method)
    Melting Pt (deg C):  173.35  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.86E-008  (Modified Grain method)
    Subcooled liquid VP: 3.39E-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):  4771
       log Kow used: -0.35 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.9843e+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 :   3.09E-015  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.171E-012 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.35  (KowWin est)
  Log Kaw used:  -12.898  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.548
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8339
   Biowin2 (Non-Linear Model)     :   0.9388
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8668  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5811  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5562
   Biowin6 (MITI Non-Linear Model):   0.4903
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7199
 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):  0.000452 Pa (3.39E-006 mm Hg)
  Log Koa (Koawin est  ): 12.548
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00664 
       Octanol/air (Koa) model:  0.867 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.193 
       Mackay model           :  0.347 
       Octanol/air (Koa) model:  0.986 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  17.9813 E-12 cm3/molecule-sec
      Half-Life =     0.595 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.138 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.27 (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: -0.35 (estimated)

 Volatilization from Water:
    Henry LC:  3.09E-015 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.613E+011  hours   (1.089E+010 days)
    Half-Life from Model Lake :  2.85E+012  hours   (1.188E+011 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       9.52e-008       14.3         1000       
   Water     38.8            360          1000       
   Soil      61.2            720          1000       
   Sediment  0.0712          3.24e+003    0          
     Persistence Time: 580 hr

    Click to predict properties on the Chemicalize site


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