ChemSpider 2D Image | Sarsasapogenin | C27H44O3


  • Molecular FormulaC27H44O3
  • Average mass416.637 Da
  • Monoisotopic mass416.329041 Da
  • ChemSpider ID83145
  • defined stereocentres - 12 of 12 defined stereocentres

More details:

Featured data source

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

(3β,5β,25S)-Spirostan-3-ol [ACD/IUPAC Name]
(3β,5β,25S)-Spirostan-3-ol [German] [ACD/IUPAC Name]
(3β,5β,25S)-Spirostan-3-ol [French] [ACD/IUPAC Name]
126-19-2 [RN]
5β-Spirostan-3β-ol, (25S)-
sarsagenin [INN]
sarsagenina [Spanish] [INN]

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

C03963 [DBID]
CHEBI:15578 [DBID]
NSC 1615 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 516.6±20.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.0 mmHg at 25°C
Enthalpy of Vaporization: 90.8±6.0 kJ/mol
Flash Point: 266.2±21.8 °C
Index of Refraction: 1.552
Molar Refractivity: 119.7±0.4 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 1
ACD/LogP: 6.21
ACD/LogD (pH 5.5): 5.96
ACD/BCF (pH 5.5): 19908.36
ACD/KOC (pH 5.5): 41575.35
ACD/LogD (pH 7.4): 5.96
ACD/BCF (pH 7.4): 19908.36
ACD/KOC (pH 7.4): 41575.35
Polar Surface Area: 39 Å2
Polarizability: 47.4±0.5 10-24cm3
Surface Tension: 43.8±5.0 dyne/cm
Molar Volume: 374.3±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) =  7.11

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  465.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  196.51  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.91E-011  (Modified Grain method)
    MP  (exp database):  200.5 deg C
    Subcooled liquid VP: 2.07E-009 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):  0.006622
       log Kow used: 7.11 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.089864 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.54E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.409E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.11  (KowWin est)
  Log Kaw used:  -7.201  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.311
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.5386
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7847  (months      )
   Biowin4 (Primary Survey Model) :   2.8963  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1702
   Biowin6 (MITI Non-Linear Model):   0.0025
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.8317
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.76E-007 Pa (2.07E-009 mm Hg)
  Log Koa (Koawin est  ): 14.311
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  10.9 
       Octanol/air (Koa) model:  50.2 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.997 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  69.9686 E-12 cm3/molecule-sec
      Half-Life =     0.153 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.834 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.451E+004
      Log Koc:  4.162 

 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 = 4.660 (BCF = 4.569e+004)
       log Kow used: 7.11 (estimated)

 Volatilization from Water:
    Henry LC:  1.54E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:  7.76E+005  hours   (3.233E+004 days)
    Half-Life from Model Lake : 8.466E+006  hours   (3.527E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              93.89  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.11  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.03            3.67         1000       
   Water     1.49            1.44e+003    1000       
   Soil      32.5            2.88e+003    1000       
   Sediment  66              1.3e+004     0          
     Persistence Time: 4.8e+003 hr


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