ChemSpider 2D Image | Hopane | C30H52


  • Molecular FormulaC30H52
  • Average mass412.734 Da
  • Monoisotopic mass412.406891 Da
  • ChemSpider ID9711
  • defined stereocentres - 9 of 9 defined stereocentres

More details:

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

1H-Cyclopenta[a]chrysene, eicosahydro-5a,5b,8,8,11a,13b-hexamethyl-3-(1-methylethyl)-, (3R,3aS,5aR,5bR,7aS,11aS,11bR,13aR,13bS)- [ACD/Index Name]
Hopane [ACD/IUPAC Name]
Hopane [French] [ACD/IUPAC Name]
17β ,21β -HOPANE
17β(H), 21β(H)-HOPANE
471-62-5 [RN]

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

CHEBI:36482 [DBID]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 457.4±12.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.5 mmHg at 25°C
Enthalpy of Vaporization: 69.0±0.8 kJ/mol
Flash Point: 221.8±13.1 °C
Index of Refraction: 1.498
Molar Refractivity: 130.7±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 1
ACD/LogP: 13.33
ACD/LogD (pH 5.5): 11.91
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 10000000.00
ACD/LogD (pH 7.4): 11.91
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 10000000.00
Polar Surface Area: 0 Å2
Polarizability: 51.8±0.5 10-24cm3
Surface Tension: 31.1±3.0 dyne/cm
Molar Volume: 446.1±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) =  10.78

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  412.28  (Adapted Stein & Brown method)
    Melting Pt (deg C):  162.97  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.91E-007  (Modified Grain method)
    Subcooled liquid VP: 1.02E-005 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):  4.619e-007
       log Kow used: 10.78 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1.5338e-006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.66E+000  atm-m3/mole
   Group Method:   1.02E+000  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.597E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  10.78  (KowWin est)
  Log Kaw used:  2.549  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.231
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.3686
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.2264  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.4850  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0541
   Biowin6 (MITI Non-Linear Model):   0.0046
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.7604
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   3.0303
     BioHC Half-Life (days)     : 1072.2479

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.00136 Pa (1.02E-005 mm Hg)
  Log Koa (Koawin est  ): 8.231
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00221 
       Octanol/air (Koa) model:  4.18E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0738 
       Mackay model           :  0.15 
       Octanol/air (Koa) model:  0.00333 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.7017 E-12 cm3/molecule-sec
      Half-Life =     0.317 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.808 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.112 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.035E+008
      Log Koc:  8.015 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 10.78 (estimated)

 Volatilization from Water:
    Henry LC:  8.66 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      2.073  hours
    Half-Life from Model Lake :        193  hours   (8.04 days)

 Removal In Wastewater Treatment:
    Total removal:              94.05  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.17  percent
    Total to Air:                0.11  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.03            7.62         1000       
   Water     0.746           4.32e+003    1000       
   Soil      39.6            8.64e+003    1000       
   Sediment  59.6            3.89e+004    0          
     Persistence Time: 1.07e+004 hr


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