ChemSpider 2D Image | (3beta,17xi,22E)-24,28-Epoxystigmasta-5,22-dien-3-ol | C29H46O2

(3β,17ξ,22E)-24,28-Epoxystigmasta-5,22-dien-3-ol

  • Molecular FormulaC29H46O2
  • Average mass426.674 Da
  • Monoisotopic mass426.349792 Da
  • ChemSpider ID4943573
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 8 of 10 defined stereocentres


More details:






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

(3β,17ξ,22E)-24,28-Epoxystigmasta-5,22-dien-3-ol [ACD/IUPAC Name]
(3β,17ξ,22E)-24,28-Epoxystigmasta-5,22-dien-3-ol [German] [ACD/IUPAC Name]
(3β,17ξ,22E)-24,28-Époxystigmasta-5,22-dién-3-ol [French] [ACD/IUPAC Name]
Stigmasta-5,22-dien-3-ol, 24,28-epoxy-, (3β,17ξ,22E)- [ACD/Index Name]
123064-40-4 [RN]
Stigmasta-5,22-dien-3-ol, 24,28-epoxy-, (3β,22E)- [ACD/Index Name]
Stigmasterol-24,28-epoxide

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

Density: 1.1±0.1 g/cm3
Boiling Point: 524.5±30.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.1 mmHg at 25°C
Enthalpy of Vaporization: 91.9±6.0 kJ/mol
Flash Point: 214.4±18.8 °C
Index of Refraction: 1.549
Molar Refractivity: 128.8±0.4 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: 7.97
ACD/LogD (pH 5.5): 7.10
ACD/BCF (pH 5.5): 147364.59
ACD/KOC (pH 5.5): 174226.09
ACD/LogD (pH 7.4): 7.10
ACD/BCF (pH 7.4): 147364.59
ACD/KOC (pH 7.4): 174226.09
Polar Surface Area: 33 Å2
Polarizability: 51.1±0.5 10-24cm3
Surface Tension: 41.0±5.0 dyne/cm
Molar Volume: 405.3±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) =  7.95

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  466.77  (Adapted Stein & Brown method)
    Melting Pt (deg C):  194.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.17E-011  (Modified Grain method)
    Subcooled liquid VP: 1.91E-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):  0.001093
       log Kow used: 7.95 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.021343 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Epoxides
       Vinyl/Allyl Ethers

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.19E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.628E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.95  (KowWin est)
  Log Kaw used:  -4.885  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  12.835
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.1960
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.7712  (months      )
   Biowin4 (Primary Survey Model) :   2.8915  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0396
   Biowin6 (MITI Non-Linear Model):   0.0014
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.0442
 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):  2.55E-007 Pa (1.91E-009 mm Hg)
  Log Koa (Koawin est  ): 12.835
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  11.8 
       Octanol/air (Koa) model:  1.68 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.998 
       Mackay model           :  0.999 
       Octanol/air (Koa) model:  0.993 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 186.3204 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 193.9204 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    0.689 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    0.662 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.962500 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     8.531250 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     3.454 Hrs (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =     3.224 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   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    :  4.084E+005
      Log Koc:  5.611 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Ka (acid-catalyzed) at 25 deg C :  7.403E+008  L/mol-sec [cis-isomer]
  Total Ka (acid-catalyzed) at 25 deg C :  1.735E+008  L/mol-sec [trans-isomer]
  Ka Half-Life at pH 7:       0.009  seconds  [cis-isomer]
  Ka Half-Life at pH 7:       0.040  seconds  [trans-isomer]
 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 3.505 (BCF = 3202)
       log Kow used: 7.95 (estimated)

 Volatilization from Water:
    Henry LC:  3.19E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       3793  hours   (158.1 days)
    Half-Life from Model Lake : 4.155E+004  hours   (1731 days)

 Removal In Wastewater Treatment:
    Total removal:              94.01  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.24  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       0.00949         0.985        1000       
   Water     1.4             1.44e+003    1000       
   Soil      30.4            2.88e+003    1000       
   Sediment  68.2            1.3e+004     0          
     Persistence Time: 4.72e+003 hr




                    

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