ChemSpider 2D Image | 1-Methyl-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one | C16H14N2O

1-Methyl-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one

  • Molecular FormulaC16H14N2O
  • Average mass250.295 Da
  • Monoisotopic mass250.110611 Da
  • ChemSpider ID214991

More details:

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

1-Methyl-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-on [German] [ACD/IUPAC Name]
1-Methyl-2,5-diphenyl-1,2-dihydro-3H-pyrazol-3-one [ACD/IUPAC Name]
1-Méthyl-2,5-diphényl-1,2-dihydro-3H-pyrazol-3-one [French] [ACD/IUPAC Name]
3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-2,5-diphenyl- [ACD/Index Name]
105462-22-4 [RN]
6632-12-8 [RN]
MLS002667937

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

NSC57972 [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: 389.7±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 63.9±3.0 kJ/mol
Flash Point: 170.1±21.1 °C
Index of Refraction: 1.637
Molar Refractivity: 74.3±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.88
ACD/LogD (pH 5.5): 2.41
ACD/BCF (pH 5.5): 39.88
ACD/KOC (pH 5.5): 486.91
ACD/LogD (pH 7.4): 2.41
ACD/BCF (pH 7.4): 39.88
ACD/KOC (pH 7.4): 486.91
Polar Surface Area: 24 Å2
Polarizability: 29.5±0.5 10-24cm3
Surface Tension: 49.8±3.0 dyne/cm
Molar Volume: 207.0±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) =  1.81

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  410.16  (Adapted Stein & Brown method)
    Melting Pt (deg C):  162.61  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.81E-007  (Modified Grain method)
    Subcooled liquid VP: 4.7E-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):  672.1
       log Kow used: 1.81 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6961.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.90E-011  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.869E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.81  (KowWin est)
  Log Kaw used:  -9.110  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.920
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8846
   Biowin2 (Non-Linear Model)     :   0.9549
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6901  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4964  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0563
   Biowin6 (MITI Non-Linear Model):   0.0307
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1651
 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):  0.000627 Pa (4.7E-006 mm Hg)
  Log Koa (Koawin est  ): 10.920
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00479 
       Octanol/air (Koa) model:  0.0204 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.147 
       Mackay model           :  0.277 
       Octanol/air (Koa) model:  0.62 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.7635 E-12 cm3/molecule-sec
      Half-Life =     0.317 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.801 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): 0.212 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5204
      Log Koc:  3.716 

 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 = 0.693 (BCF = 4.93)
       log Kow used: 1.81 (estimated)

 Volatilization from Water:
    Henry LC:  1.9E-011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.875E+007  hours   (2.031E+006 days)
    Half-Life from Model Lake : 5.318E+008  hours   (2.216E+007 days)

 Removal In Wastewater Treatment:
    Total removal:               2.10  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.01  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       0.000238        4.81         1000       
   Water     26.7            900          1000       
   Soil      73.2            1.8e+003     1000       
   Sediment  0.0845          8.1e+003     0          
     Persistence Time: 1.32e+003 hr

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