ChemSpider 2D Image | brassicasterol | C28H42O

brassicasterol

  • Molecular FormulaC28H42O
  • Average mass394.633 Da
  • Monoisotopic mass394.323578 Da
  • ChemSpider ID4941283
  • Double-bond stereo - Double-bond stereo

    defined stereocentres - 7 of 7 defined stereocentres


More details:



Featured data source



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

(3b,22E)-Ergosta-5,7,9(11),22-tetraen-3-ol
(3β,22E)-Ergosta-5,7,9(11),22-tetraen-3-ol [ACD/IUPAC Name]
(3β,22E)-Ergosta-5,7,9(11),22-tetraen-3-ol [German] [ACD/IUPAC Name]
(3β,22E)-Ergosta-5,7,9(11),22-tétraén-3-ol [French] [ACD/IUPAC Name]
474-67-9 [RN]
516-85-8 [RN]
brassicasterol [Wiki]
Dehydroergosterol
ergosta-5,22E-dien-3β-ol
ergosta-5,7,9(11),22E-tetraen-3β-ol
More...

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

123R6KJQ51 [DBID]
E2634_SIGMA [DBID]
UNII:123R6KJQ51 [DBID]
UNII-123R6KJQ51 [DBID]

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

Density: 1.0±0.1 g/cm3
Boiling Point: 520.6±39.0 °C at 760 mmHg
Vapour Pressure: 0.0±3.1 mmHg at 25°C
Enthalpy of Vaporization: 91.3±6.0 kJ/mol
Flash Point: 221.0±19.3 °C
Index of Refraction: 1.554
Molar Refractivity: 123.9±0.4 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 1
ACD/LogP: 8.80
ACD/LogD (pH 5.5): 7.99
ACD/BCF (pH 5.5): 691161.56
ACD/KOC (pH 5.5): 526673.44
ACD/LogD (pH 7.4): 7.99
ACD/BCF (pH 7.4): 691161.56
ACD/KOC (pH 7.4): 526673.44
Polar Surface Area: 20 Å2
Polarizability: 49.1±0.5 10-24cm3
Surface Tension: 39.7±5.0 dyne/cm
Molar Volume: 386.6±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) =  8.77

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  448.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  174.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.94E-010  (Modified Grain method)
    MP  (exp database):  146 deg C
    Subcooled liquid VP: 6.64E-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):  0.000346
       log Kow used: 8.77 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0072181 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.40E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.913E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.77  (KowWin est)
  Log Kaw used:  -2.242  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.012
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.3505
   Biowin2 (Non-Linear Model)     :   0.0072
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0628  (months      )
   Biowin4 (Primary Survey Model) :   3.1009  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.1285
   Biowin6 (MITI Non-Linear Model):   0.0023
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.6439
 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):  8.85E-007 Pa (6.64E-009 mm Hg)
  Log Koa (Koawin est  ): 11.012
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.39 
       Octanol/air (Koa) model:  0.0252 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.992 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  0.669 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 380.9612 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant = 388.5612 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =   20.215 Min (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =   19.820 Min (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =    48.360001 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =    55.360001 E-17 cm3/molecule-sec [Trans-]
      Half-Life =    34.124 Min (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =    29.809 Min (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 0.994 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.342E+006
      Log Koc:  6.370 

 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 = 2.384 (BCF = 242.3)
       log Kow used: 8.77 (estimated)

 Volatilization from Water:
    Henry LC:  0.00014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      10.34  hours
    Half-Life from Model Lake :      279.3  hours   (11.64 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       0.00311         0.308        1000       
   Water     1.39            1.44e+003    1000       
   Soil      29.9            2.88e+003    1000       
   Sediment  68.7            1.3e+004     0          
     Persistence Time: 4.69e+003 hr




                    

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