ChemSpider 2D Image | (5beta,14beta,15beta,22E,24xi)-14,15-Epoxyergosta-7,22-diene-3,6-dione | C28H40O3

(5β,14β,15β,22E,24ξ)-14,15-Epoxyergosta-7,22-diene-3,6-dione

  • Molecular FormulaC28H40O3
  • Average mass424.615 Da
  • Monoisotopic mass424.297760 Da
  • ChemSpider ID8773809
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 7 of 9 defined stereocentres


More details:






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

(5β,14β,15β,22E,24ξ)-14,15-Epoxyergosta-7,22-dien-3,6-dion [German] [ACD/IUPAC Name]
(5β,14β,15β,22E,24ξ)-14,15-Epoxyergosta-7,22-diene-3,6-dione [ACD/IUPAC Name]
(5β,14β,15β,22E,24ξ)-14,15-Époxyergosta-7,22-diène-3,6-dione [French] [ACD/IUPAC Name]
Ergosta-7,22-diene-3,6-dione, 14,15-epoxy-, (5β,14β,15β,22E,24ξ)- [ACD/Index Name]
gymnasterone B

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

Density: 1.1±0.1 g/cm3
Boiling Point: 544.9±50.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 82.4±3.0 kJ/mol
Flash Point: 231.6±30.2 °C
Index of Refraction: 1.552
Molar Refractivity: 122.9±0.4 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: 5.22
ACD/LogD (pH 5.5): 4.83
ACD/BCF (pH 5.5): 2739.53
ACD/KOC (pH 5.5): 10052.72
ACD/LogD (pH 7.4): 4.83
ACD/BCF (pH 7.4): 2739.53
ACD/KOC (pH 7.4): 10052.72
Polar Surface Area: 47 Å2
Polarizability: 48.7±0.5 10-24cm3
Surface Tension: 42.2±5.0 dyne/cm
Molar Volume: 384.9±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) =  5.89

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  478.53  (Adapted Stein & Brown method)
    Melting Pt (deg C):  202.57  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.72E-009  (Modified Grain method)
    Subcooled liquid VP: 2.8E-007 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):  0.01996
       log Kow used: 5.89 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.1211 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.10E-010  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.041E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.89  (KowWin est)
  Log Kaw used:  -7.681  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.571
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :  -0.3401
   Biowin2 (Non-Linear Model)     :   0.0000
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.5708  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.7206  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.0742
   Biowin6 (MITI Non-Linear Model):   0.0021
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.9655
 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):  3.73E-005 Pa (2.8E-007 mm Hg)
  Log Koa (Koawin est  ): 13.571
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0804 
       Octanol/air (Koa) model:  9.14 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.744 
       Mackay model           :  0.865 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 167.4539 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 175.0539 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    0.766 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    0.733 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    14.137500 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =    21.137501 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     1.945 Hrs (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =     1.301 Hrs (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 0.805 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.944E+004
      Log Koc:  4.596 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Ka (acid-catalyzed) at 25 deg C :  3.172E+011  L/mol-sec [cis-isomer]
  Total Ka (acid-catalyzed) at 25 deg C :  7.437E+010  L/mol-sec [trans-isomer]
  Ka Half-Life at pH 7:       0.000  seconds  [cis-isomer]
  Ka Half-Life at pH 7:       0.000  seconds  [trans-isomer]
 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 3.838 (BCF = 6880)
       log Kow used: 5.89 (estimated)

 Volatilization from Water:
    Henry LC:  5.1E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.366E+006  hours   (9.857E+004 days)
    Half-Life from Model Lake : 2.581E+007  hours   (1.075E+006 days)

 Removal In Wastewater Treatment:
    Total removal:              91.62  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    90.86  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       0.00178         0.857        1000       
   Water     1.51            4.32e+003    1000       
   Soil      57.6            8.64e+003    1000       
   Sediment  40.9            3.89e+004    0          
     Persistence Time: 1.07e+004 hr




                    

Click to predict properties on the Chemicalize site






Advertisement