ChemSpider 2D Image | pentalenene | C15H24

pentalenene

  • Molecular FormulaC15H24
  • Average mass204.351 Da
  • Monoisotopic mass204.187805 Da
  • ChemSpider ID9184241

  • defined stereocentres - 4 of 4 defined stereocentres

More details:

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

(1R,3aS,5aS,8aR)-1,2,3,3a,5a,6,7,8-octahydro-1,4,7,7-tetramethylcyclopenta[c]pentalene
(1R,3aS,5aS,8aR)-1,4,7,7-Tetramethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalen [German] [ACD/IUPAC Name]
(1R,3aS,5aS,8aR)-1,4,7,7-Tetramethyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalene [ACD/IUPAC Name]
(1R,3aS,5aS,8aR)-1,4,7,7-Tétraméthyl-1,2,3,3a,5a,6,7,8-octahydrocyclopenta[c]pentalène [French] [ACD/IUPAC Name]
73306-73-7 [RN]
Cyclopenta[c]pentalene, 1,2,3,3a,5a,6,7,8-octahydro-1,4,7,7-tetramethyl-, (1R,3aS,5aS,8aR)- [ACD/Index Name]
pentalenene
(+)-pentalenene
(1α,3a α,5a β,8aR*)-1,2,3,3a,5a,6,7,8-octahydro-1,4,7,7-tetramethylcyclopenta(c)pentalene
62065-26-3 [RN]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 262.5±7.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.3 mmHg at 25°C
Enthalpy of Vaporization: 48.0±0.8 kJ/mol
Flash Point: 110.2±6.6 °C
Index of Refraction: 1.515
Molar Refractivity: 65.0±0.4 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 1
ACD/LogP: 6.38
ACD/LogD (pH 5.5): 5.60
ACD/BCF (pH 5.5): 10561.81
ACD/KOC (pH 5.5): 26410.77
ACD/LogD (pH 7.4): 5.60
ACD/BCF (pH 7.4): 10561.81
ACD/KOC (pH 7.4): 26410.77
Polar Surface Area: 0 Å2
Polarizability: 25.8±0.5 10-24cm3
Surface Tension: 32.0±5.0 dyne/cm
Molar Volume: 215.5±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) =  6.09

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  245.05  (Adapted Stein & Brown method)
    Melting Pt (deg C):  47.96  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0339  (Modified Grain method)
    Subcooled liquid VP: 0.055 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):  0.07584
       log Kow used: 6.09 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.042797 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.56E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.208E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.09  (KowWin est)
  Log Kaw used:  1.020  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.070
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2819
   Biowin2 (Non-Linear Model)     :   0.0338
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3211  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2446  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3605
   Biowin6 (MITI Non-Linear Model):   0.1255
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5859
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   3.2002
     BioHC Half-Life (days)     : 1585.7919

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  7.33 Pa (0.055 mm Hg)
  Log Koa (Koawin est  ): 5.070
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.09E-007 
       Octanol/air (Koa) model:  2.88E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.48E-005 
       Mackay model           :  3.27E-005 
       Octanol/air (Koa) model:  2.31E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  95.4380 E-12 cm3/molecule-sec
      Half-Life =     0.112 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.345 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    43.000000 E-17 cm3/molecule-sec
      Half-Life =     0.027 Days (at 7E11 mol/cm3)
      Half-Life =     38.378 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 2.38E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.099E+004
      Log Koc:  4.322 

 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 = 3.985 (BCF = 9671)
       log Kow used: 6.09 (estimated)

 Volatilization from Water:
    Henry LC:  0.256 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.466  hours
    Half-Life from Model Lake :      136.2  hours   (5.673 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              98.41  percent
    Total biodegradation:        0.30  percent
    Total sludge adsorption:    65.70  percent
    Total to Air:               32.41  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.019           0.517        1000       
   Water     3.58            900          1000       
   Soil      37.1            1.8e+003     1000       
   Sediment  59.3            8.1e+003     0          
     Persistence Time: 1.9e+003 hr

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