ChemSpider 2D Image | Diosgenin | C27H42O3

Diosgenin

  • Molecular FormulaC27H42O3
  • Average mass414.621 Da
  • Monoisotopic mass414.313385 Da
  • ChemSpider ID89870
  • defined stereocentres - 11 of 11 defined stereocentres


More details:



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

(25R)-Spirost-5-en-3b-ol
(2S,4aR,4bS,5'R,6aS,6bR,7S,8R,9aS,10aS,10bS)-4a,5',6a,7-Tetramethyl-1,2,3,3',4,4',4a,4b,5,5',6,6',6a,6b,7,9a,10,10a,10b,11-icosahydrospiro[naphtho[2',1':4,5]indeno[2,1-b]furan-8,2'-pyran]-2-ol
(2S,4aR,4bS,5'R,6aS,6bR,7S,8R,9aS,10aS,10bS)-4a,5',6a,7-Tétraméthyl-1,2,3,3',4,4',4a,4b,5,5',6,6',6a,6b,7,9a,10,10a,10b,11-icosahydrospiro[naphto[2',1':4,5]indéno[2,1-b]furane-8,2'-pyran]-2-ol
(3b,25R)-Spirost-5-en-3-ol
(3β,25R)-Spirost-5-en-3-ol [ACD/IUPAC Name]
(3β,25R)-Spirost-5-en-3-ol [German] [ACD/IUPAC Name]
(3β,25R)-Spirost-5-én-3-ol [French] [ACD/IUPAC Name]
(3β,25R)-Spirost-5-èn-3-ol
512-04-9 [RN]
Diosgenin [Wiki]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

C08898 [DBID]
D1634_SIGMA [DBID]
NSC 226132 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 527.1±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.1 mmHg at 25°C
Enthalpy of Vaporization: 92.2±6.0 kJ/mol
Flash Point: 272.6±30.1 °C
Index of Refraction: 1.564
Molar Refractivity: 119.4±0.4 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 1
ACD/LogP: 5.84
ACD/LogD (pH 5.5): 5.70
ACD/BCF (pH 5.5): 12569.93
ACD/KOC (pH 5.5): 29915.14
ACD/LogD (pH 7.4): 5.70
ACD/BCF (pH 7.4): 12569.93
ACD/KOC (pH 7.4): 29915.14
Polar Surface Area: 39 Å2
Polarizability: 47.3±0.5 10-24cm3
Surface Tension: 44.7±5.0 dyne/cm
Molar Volume: 366.9±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) =  8.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  469.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  198.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.94E-011  (Modified Grain method)
    MP  (exp database):  205.5 deg C
    Subcooled liquid VP: 1.58E-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):  0.0005467
       log Kow used: 8.39 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  0.02 mg/L (25 deg C)
        Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0032703 mg/L
    Wat Sol (Exper. database match) =  0.02
       Exper. Ref:  YALKOWSKY,SH & DANNENFELSER,RM (1992)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.59E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.936E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.39  (KowWin est)
  Log Kaw used:  -7.187  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  15.577
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.5376
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7892  (months      )
   Biowin4 (Primary Survey Model) :   2.8992  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1502
   Biowin6 (MITI Non-Linear Model):   0.0024
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.8247
 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):  2.11E-007 Pa (1.58E-009 mm Hg)
  Log Koa (Koawin est  ): 15.577
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  14.2 
       Octanol/air (Koa) model:  927 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  1 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 151.3170 E-12 cm3/molecule-sec
      Half-Life =     0.071 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.848 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 0.999 (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 = 2.902 (BCF = 798)
       log Kow used: 8.39 (estimated)

 Volatilization from Water:
    Henry LC:  1.59E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 7.498E+005  hours   (3.124E+004 days)
    Half-Life from Model Lake :  8.18E+006  hours   (3.408E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  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       0.011           1.17         1000       
   Water     1.39            1.44e+003    1000       
   Soil      30.5            2.88e+003    1000       
   Sediment  68.1            1.3e+004     0          
     Persistence Time: 4.75e+003 hr




                    

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