ChemSpider 2D Image | 3-Vinyl-1H-pyrazole | C5H6N2

3-Vinyl-1H-pyrazole

  • Molecular FormulaC5H6N2
  • Average mass94.115 Da
  • Monoisotopic mass94.053101 Da
  • ChemSpider ID491180

More details:

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

1H-Pyrazole, 5-ethenyl- [ACD/Index Name]
3-Vinyl-1H-pyrazole
56342-52-0 [RN]
5-Vinyl-1H-pyrazol [German] [ACD/IUPAC Name]
5-Vinyl-1H-pyrazole [French] [ACD/IUPAC Name]
5-Vinyl-1H-pyrazole [ACD/IUPAC Name]
3???ethenyl???1h???pyrazole
3?ethenyl?1H?pyrazole
3‐ethenyl‐1H‐pyrazole
3-ETHENYL-1H-PYRAZOLE
More...

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

Density: 1.1±0.1 g/cm3
Boiling Point: 232.8±9.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.0±3.0 kJ/mol
Flash Point: 108.8±11.7 °C
Index of Refraction: 1.599
Molar Refractivity: 29.7±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 0.80
ACD/LogD (pH 5.5): 1.24
ACD/BCF (pH 5.5): 5.16
ACD/KOC (pH 5.5): 112.50
ACD/LogD (pH 7.4): 1.24
ACD/BCF (pH 7.4): 5.17
ACD/KOC (pH 7.4): 112.75
Polar Surface Area: 29 Å2
Polarizability: 11.8±0.5 10-24cm3
Surface Tension: 45.7±3.0 dyne/cm
Molar Volume: 86.9±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) =  0.96

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  214.39  (Adapted Stein & Brown method)
    Melting Pt (deg C):  27.67  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.153  (Modified Grain method)
    Subcooled liquid VP: 0.162 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):  1.837e+004
       log Kow used: 0.96 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  16623 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.89E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.031E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.96  (KowWin est)
  Log Kaw used:  -4.112  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.072
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7027
   Biowin2 (Non-Linear Model)     :   0.8419
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9912  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7119  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4671
   Biowin6 (MITI Non-Linear Model):   0.5336
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4247
 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):  21.6 Pa (0.162 mm Hg)
  Log Koa (Koawin est  ): 5.072
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.39E-007 
       Octanol/air (Koa) model:  2.9E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.02E-006 
       Mackay model           :  1.11E-005 
       Octanol/air (Koa) model:  2.32E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  60.1456 E-12 cm3/molecule-sec
      Half-Life =     0.178 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.134 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     2.100000 E-17 cm3/molecule-sec
      Half-Life =     0.546 Days (at 7E11 mol/cm3)
      Half-Life =     13.097 Hrs
   Fraction sorbed to airborne particulates (phi): 8.06E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  30.43
      Log Koc:  1.483 

 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: 0.96 (estimated)

 Volatilization from Water:
    Henry LC:  1.89E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      301.5  hours   (12.56 days)
    Half-Life from Model Lake :       3371  hours   (140.4 days)

 Removal In Wastewater Treatment:
    Total removal:               1.99  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.79  percent
    Total to Air:                0.11  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.459           3.22         1000       
   Water     44.5            360          1000       
   Soil      55              720          1000       
   Sediment  0.0884          3.24e+003    0          
     Persistence Time: 349 hr

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