ChemSpider 2D Image | 4,5-Bis(methylene)cyclohexene | C8H10


  • Molecular FormulaC8H10
  • Average mass106.165 Da
  • Monoisotopic mass106.078247 Da
  • ChemSpider ID126282

More details:

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

4,5-Bis(methylene)cyclohexene [ACD/IUPAC Name]
4,5-Dimethylencyclohexen [German] [ACD/IUPAC Name]
4,5-Diméthylènecyclohexène [French] [ACD/IUPAC Name]
Cyclohexene, 4,5-bis(methylene)- [ACD/Index Name]
54290-41-4 [RN]

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

Density: 0.8±0.1 g/cm3
Boiling Point: 137.5±15.0 °C at 760 mmHg
Vapour Pressure: 8.7±0.1 mmHg at 25°C
Enthalpy of Vaporization: 35.9±0.8 kJ/mol
Flash Point: 17.7±15.2 °C
Index of Refraction: 1.486
Molar Refractivity: 36.0±0.4 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 3.11
ACD/LogD (pH 5.5): 2.89
ACD/BCF (pH 5.5): 92.79
ACD/KOC (pH 5.5): 891.17
ACD/LogD (pH 7.4): 2.89
ACD/BCF (pH 7.4): 92.79
ACD/KOC (pH 7.4): 891.17
Polar Surface Area: 0 Å2
Polarizability: 14.3±0.5 10-24cm3
Surface Tension: 24.5±5.0 dyne/cm
Molar Volume: 125.5±5.0 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) =  3.78

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  128.38  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -46.10  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  13.2  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  19.14
       log Kow used: 3.78 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  157.54 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.31E-001  atm-m3/mole
   Group Method:   4.66E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  9.634E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.78  (KowWin est)
  Log Kaw used:  0.729  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.051
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6970
   Biowin2 (Non-Linear Model)     :   0.8177
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9646  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6946  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4729
   Biowin6 (MITI Non-Linear Model):   0.5262
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1549
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.6275
     BioHC Half-Life (days)     :   4.2410

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  1.63E+003 Pa (12.2 mm Hg)
  Log Koa (Koawin est  ): 3.051
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.84E-009 
       Octanol/air (Koa) model:  2.76E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.66E-008 
       Mackay model           :  1.48E-007 
       Octanol/air (Koa) model:  2.21E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 200.2680 E-12 cm3/molecule-sec
      Half-Life =     0.053 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.641 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    38.000000 E-17 cm3/molecule-sec
      Half-Life =     0.030 Days (at 7E11 mol/cm3)
      Half-Life =     43.427 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1.07E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  443.1
      Log Koc:  2.646 

 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 = 2.212 (BCF = 163.1)
       log Kow used: 3.78 (estimated)

 Volatilization from Water:
    Henry LC:  0.00466 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.181  hours
    Half-Life from Model Lake :      99.28  hours   (4.137 days)

 Removal In Wastewater Treatment:
    Total removal:              69.58  percent
    Total biodegradation:        0.13  percent
    Total sludge adsorption:    15.21  percent
    Total to Air:               54.24  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.114           0.463        1000       
   Water     19.2            360          1000       
   Soil      79.1            720          1000       
   Sediment  1.53            3.24e+003    0          
     Persistence Time: 328 hr


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