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ChemSpider 2D Image | Pyrazol-5-ol | C3H4N2O

Pyrazol-5-ol

  • Molecular FormulaC3H4N2O
  • Average mass84.077 Da
  • Monoisotopic mass84.032364 Da
  • ChemSpider ID311940

More details:

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

137-45-1 [RN]
1H-pyrazol-3-ol [ACD/Index Name] [ACD/IUPAC Name]
1H-Pyrazol-3-ol [German] [ACD/Index Name] [ACD/IUPAC Name]
1H-Pyrazol-3-ol [French] [ACD/Index Name] [ACD/IUPAC Name]
1H-Pyrazol-5-ol [ACD/Index Name] [ACD/IUPAC Name]
1H-Pyrazol-5-ol [German] [ACD/Index Name] [ACD/IUPAC Name]
1H-Pyrazol-5-ol [French] [ACD/Index Name] [ACD/IUPAC Name]
60456-92-0 [RN]
60456-93-1 [RN]
Pyrazol-5-ol
More...

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

60456-92-0/137-45-1/60456-93-1 [DBID]
CCRIS 4693 [DBID]
NSC520837 [DBID]

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

    Density: 1.4±0.1 g/cm3
    Boiling Point: 326.1±15.0 °C at 760 mmHg
    Vapour Pressure: 0.0±0.7 mmHg at 25°C
    Enthalpy of Vaporization: 59.1±3.0 kJ/mol
    Flash Point: 151.0±20.4 °C
    Index of Refraction: 1.612
    Molar Refractivity: 20.7±0.3 cm3
    #H bond acceptors: 3
    #H bond donors: 2
    #Freely Rotating Bonds: 0
    #Rule of 5 Violations: 0
    ACD/LogP: 0.25
    ACD/LogD (pH 5.5): 0.08
    ACD/BCF (pH 5.5): 1.00
    ACD/KOC (pH 5.5): 25.02
    ACD/LogD (pH 7.4): 0.01
    ACD/BCF (pH 7.4): 1.00
    ACD/KOC (pH 7.4): 21.64
    Polar Surface Area: 49 Å2
    Polarizability: 8.2±0.5 10-24cm3
    Surface Tension: 77.1±3.0 dyne/cm
    Molar Volume: 59.4±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) =  -1.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  266.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  83.34  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0031  (Modified Grain method)
    Subcooled liquid VP: 0.0112 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):  9.614e+004
       log Kow used: -1.39 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.76E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.567E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.39  (KowWin est)
  Log Kaw used:  -8.813  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.423
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7075
   Biowin2 (Non-Linear Model)     :   0.8599
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0134  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7264  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1014
   Biowin6 (MITI Non-Linear Model):   0.0000
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6890
 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):  1.49 Pa (0.0112 mm Hg)
  Log Koa (Koawin est  ): 7.423
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.01E-006 
       Octanol/air (Koa) model:  6.5E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.26E-005 
       Mackay model           :  0.000161 
       Octanol/air (Koa) model:  0.00052 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  75.2680 E-12 cm3/molecule-sec
      Half-Life =     0.142 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.705 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.000117 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  16.86
      Log Koc:  1.227 

 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: -1.39 (estimated)

 Volatilization from Water:
    Henry LC:  3.76E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.428E+007  hours   (5.949E+005 days)
    Half-Life from Model Lake : 1.558E+008  hours   (6.49E+006 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  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       0.000884        3.34         1000       
   Water     39              360          1000       
   Soil      60.9            720          1000       
   Sediment  0.0714          3.24e+003    0          
     Persistence Time: 578 hr

    Click to predict properties on the Chemicalize site


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