ChemSpider 2D Image | Neopentylidenecyclohexane | C11H20

Neopentylidenecyclohexane

  • Molecular FormulaC11H20
  • Average mass152.277 Da
  • Monoisotopic mass152.156494 Da
  • ChemSpider ID125581

More details:






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

(2,2-Dimethylpropyliden)cyclohexan [German] [ACD/IUPAC Name]
(2,2-Dimethylpropylidene)cyclohexane [ACD/IUPAC Name]
(2,2-Diméthylpropylidène)cyclohexane [French] [ACD/IUPAC Name]
Cyclohexane, (2,2-dimethylpropylidene)- [ACD/Index Name]
Neopentylidenecyclohexane
39546-80-0 [RN]
4-t-butylmethylenecyclohexane
MFCD00060831
NEO-PENTYLIDENECYCLOPENTANE

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

Density: 0.9±0.1 g/cm3
Boiling Point: 195.3±7.0 °C at 760 mmHg
Vapour Pressure: 0.6±0.2 mmHg at 25°C
Enthalpy of Vaporization: 41.4±0.8 kJ/mol
Flash Point: 59.7±13.0 °C
Index of Refraction: 1.517
Molar Refractivity: 52.4±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 1
ACD/LogP: 5.23
ACD/LogD (pH 5.5): 4.73
ACD/BCF (pH 5.5): 2312.03
ACD/KOC (pH 5.5): 8903.12
ACD/LogD (pH 7.4): 4.73
ACD/BCF (pH 7.4): 2312.03
ACD/KOC (pH 7.4): 8903.12
Polar Surface Area: 0 Å2
Polarizability: 20.8±0.5 10-24cm3
Surface Tension: 34.9±3.0 dyne/cm
Molar Volume: 173.2±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) =  5.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  182.92  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -20.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.15  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.5683
       log Kow used: 5.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.5174 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.73E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.055E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.36  (KowWin est)
  Log Kaw used:  1.370  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.990
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4911
   Biowin2 (Non-Linear Model)     :   0.2938
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6505  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4746  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4328
   Biowin6 (MITI Non-Linear Model):   0.4496
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4105
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.3108
     BioHC Half-Life (days)     :  20.4571

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  140 Pa (1.05 mm Hg)
  Log Koa (Koawin est  ): 3.990
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.14E-008 
       Octanol/air (Koa) model:  2.4E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.74E-007 
       Mackay model           :  1.71E-006 
       Octanol/air (Koa) model:  1.92E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  93.9386 E-12 cm3/molecule-sec
      Half-Life =     0.114 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.366 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 1.24E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2107
      Log Koc:  3.324 

 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 = 3.428 (BCF = 2680)
       log Kow used: 5.36 (estimated)

 Volatilization from Water:
    Henry LC:  0.573 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1.26  hours
    Half-Life from Model Lake :      117.2  hours   (4.884 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              99.65  percent
    Total biodegradation:        0.17  percent
    Total sludge adsorption:    54.77  percent
    Total to Air:               44.71  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.243           1.58         1000       
   Water     11.1            900          1000       
   Soil      34.8            1.8e+003     1000       
   Sediment  53.9            8.1e+003     0          
     Persistence Time: 675 hr


 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  5.36

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  182.92  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -20.94  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.15  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.5683
       log Kow used: 5.36 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.5174 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.73E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.055E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.36  (KowWin est)
  Log Kaw used:  1.370  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.990
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4911
   Biowin2 (Non-Linear Model)     :   0.2938
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6505  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4746  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4328
   Biowin6 (MITI Non-Linear Model):   0.4496
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.4105
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.3108
     BioHC Half-Life (days)     :  20.4571

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  140 Pa (1.05 mm Hg)
  Log Koa (Koawin est  ): 3.990
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.14E-008 
       Octanol/air (Koa) model:  2.4E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.74E-007 
       Mackay model           :  1.71E-006 
       Octanol/air (Koa) model:  1.92E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  93.9386 E-12 cm3/molecule-sec
      Half-Life =     0.114 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.366 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 1.24E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2107
      Log Koc:  3.324 

 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 = 3.428 (BCF = 2680)
       log Kow used: 5.36 (estimated)

 Volatilization from Water:
    Henry LC:  0.573 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1.26  hours
    Half-Life from Model Lake :      117.2  hours   (4.884 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              99.65  percent
    Total biodegradation:        0.17  percent
    Total sludge adsorption:    54.77  percent
    Total to Air:               44.71  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.243           1.58         1000       
   Water     11.1            900          1000       
   Soil      34.8            1.8e+003     1000       
   Sediment  53.9            8.1e+003     0          
     Persistence Time: 675 hr




                    

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