ChemSpider 2D Image | 5alpha-lanostane | C30H54

5α-lanostane

  • Molecular FormulaC30H54
  • Average mass414.750 Da
  • Monoisotopic mass414.422546 Da
  • ChemSpider ID7827588
  • defined stereocentres - 8 of 8 defined stereocentres


More details:






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

5α-lanostane
474-20-4 [RN]
5α-Lanostane
Lanostan [German] [ACD/IUPAC Name]
Lanostane [ACD/Index Name] [ACD/IUPAC Name]
Lanostane [French] [ACD/Index Name] [ACD/IUPAC Name]
(5α)-4,4,14-trimethylcholestane
[5S-[5α,8β,9α,10β,13β,14α,17β(S*)]]-17-(1,5-dimethylhexyl)hexadecahydro-4,4,10,13,14-pentamethyl-1H-cyclopenta[a]phenanthrene
4,4,14-trimethylcholestane

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

CHEBI:20265 [DBID]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 461.3±12.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.5 mmHg at 25°C
Enthalpy of Vaporization: 69.4±0.8 kJ/mol
Flash Point: 225.1±13.1 °C
Index of Refraction: 1.486
Molar Refractivity: 132.7±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 1
ACD/LogP: 13.77
ACD/LogD (pH 5.5): 12.16
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 10000000.00
ACD/LogD (pH 7.4): 12.16
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 10000000.00
Polar Surface Area: 0 Å2
Polarizability: 52.6±0.5 10-24cm3
Surface Tension: 30.5±3.0 dyne/cm
Molar Volume: 462.3±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) =  11.69

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  411.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  152.90  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.23E-007  (Modified Grain method)
    Subcooled liquid VP: 1.05E-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):  7.53e-008
       log Kow used: 11.69 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.1477e-007 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.96E+001  atm-m3/mole
   Group Method:   7.39E+000  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.791E+000 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  11.69  (KowWin est)
  Log Kaw used:  2.904  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.786
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.1856
   Biowin2 (Non-Linear Model)     :   0.0001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.4341  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.6356  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0262
   Biowin6 (MITI Non-Linear Model):   0.0067
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.3135
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   2.5854
     BioHC Half-Life (days)     : 384.9594

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0014 Pa (1.05E-005 mm Hg)
  Log Koa (Koawin est  ): 8.786
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00214 
       Octanol/air (Koa) model:  0.00015 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0718 
       Mackay model           :  0.146 
       Octanol/air (Koa) model:  0.0119 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  35.7393 E-12 cm3/molecule-sec
      Half-Life =     0.299 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.591 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.109 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.106E+008
      Log Koc:  8.044 

 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: 11.69 (estimated)

 Volatilization from Water:
    Henry LC:  19.6 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      2.078  hours
    Half-Life from Model Lake :      193.4  hours   (8.06 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.23  percent
    Total to Air:                0.03  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0285          7.18         1000       
   Water     0.746           4.32e+003    1000       
   Soil      39.6            8.64e+003    1000       
   Sediment  59.7            3.89e+004    0          
     Persistence Time: 1.07e+004 hr




                    

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