ChemSpider 2D Image | 3-Methylbicyclo[4.2.0]octa-1,3,5-triene-7,8-dione | C9H6O2

3-Methylbicyclo[4.2.0]octa-1,3,5-triene-7,8-dione

  • Molecular FormulaC9H6O2
  • Average mass146.143 Da
  • Monoisotopic mass146.036774 Da
  • ChemSpider ID554384

More details:






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

3-Methylbicyclo[4.2.0]octa-1,3,5-trien-7,8-dion [German] [ACD/IUPAC Name]
3-Methylbicyclo[4.2.0]octa-1,3,5-triene-7,8-dione [ACD/IUPAC Name]
3-Méthylbicyclo[4.2.0]octa-1,3,5-triène-7,8-dione [French] [ACD/IUPAC Name]
Bicyclo[4.2.0]octa-1,3,5-triene-7,8-dione, 3-methyl- [ACD/Index Name]

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.3±0.1 g/cm3
Boiling Point: 283.5±10.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Enthalpy of Vaporization: 52.2±3.0 kJ/mol
Flash Point: 111.2±4.6 °C
Index of Refraction: 1.625
Molar Refractivity: 38.9±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.46
ACD/LogD (pH 5.5): 1.66
ACD/BCF (pH 5.5): 10.75
ACD/KOC (pH 5.5): 190.52
ACD/LogD (pH 7.4): 1.66
ACD/BCF (pH 7.4): 10.75
ACD/KOC (pH 7.4): 190.52
Polar Surface Area: 34 Å2
Polarizability: 15.4±0.5 10-24cm3
Surface Tension: 56.0±3.0 dyne/cm
Molar Volume: 110.1±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) =  2.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  281.24  (Adapted Stein & Brown method)
    Melting Pt (deg C):  70.82  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00194  (Modified Grain method)
    Subcooled liquid VP: 0.00525 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):  791.1
       log Kow used: 2.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  416.58 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.87E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.716E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.34  (KowWin est)
  Log Kaw used:  -5.801  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.141
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7326
   Biowin2 (Non-Linear Model)     :   0.8191
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8014  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5684  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3435
   Biowin6 (MITI Non-Linear Model):   0.2639
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1780
 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):  0.7 Pa (0.00525 mm Hg)
  Log Koa (Koawin est  ): 8.141
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.29E-006 
       Octanol/air (Koa) model:  3.4E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000155 
       Mackay model           :  0.000343 
       Octanol/air (Koa) model:  0.00271 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.0919 E-12 cm3/molecule-sec
      Half-Life =     5.113 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    61.357 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000249 (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 = 1.102 (BCF = 12.65)
       log Kow used: 2.34 (estimated)

 Volatilization from Water:
    Henry LC:  3.87E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.829E+004  hours   (762.1 days)
    Half-Life from Model Lake : 1.996E+005  hours   (8318 days)

 Removal In Wastewater Treatment:
    Total removal:               2.72  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.62  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       0.603           123          1000       
   Water     20.7            360          1000       
   Soil      78.5            720          1000       
   Sediment  0.113           3.24e+003    0          
     Persistence Time: 686 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.34

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  281.24  (Adapted Stein & Brown method)
    Melting Pt (deg C):  70.82  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.00194  (Modified Grain method)
    Subcooled liquid VP: 0.00525 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):  791.1
       log Kow used: 2.34 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  416.58 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.87E-008  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.716E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.34  (KowWin est)
  Log Kaw used:  -5.801  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.141
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7326
   Biowin2 (Non-Linear Model)     :   0.8191
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8014  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5684  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3435
   Biowin6 (MITI Non-Linear Model):   0.2639
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1780
 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):  0.7 Pa (0.00525 mm Hg)
  Log Koa (Koawin est  ): 8.141
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.29E-006 
       Octanol/air (Koa) model:  3.4E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000155 
       Mackay model           :  0.000343 
       Octanol/air (Koa) model:  0.00271 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.0919 E-12 cm3/molecule-sec
      Half-Life =     5.113 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    61.357 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000249 (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 = 1.102 (BCF = 12.65)
       log Kow used: 2.34 (estimated)

 Volatilization from Water:
    Henry LC:  3.87E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.829E+004  hours   (762.1 days)
    Half-Life from Model Lake : 1.996E+005  hours   (8318 days)

 Removal In Wastewater Treatment:
    Total removal:               2.72  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.62  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       0.603           123          1000       
   Water     20.7            360          1000       
   Soil      78.5            720          1000       
   Sediment  0.113           3.24e+003    0          
     Persistence Time: 686 hr




                    

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