ChemSpider 2D Image | ESTETROL | C18H24O4


  • Molecular FormulaC18H24O4
  • Average mass304.381 Da
  • Monoisotopic mass304.167450 Da
  • ChemSpider ID25245
  • defined stereocentres - 7 of 7 defined stereocentres

More details:

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

(15α,16α,17β)-Estra-1,3,5(10)-trien-3,15,16,17-tetrol [German] [ACD/IUPAC Name]
(15α,16α,17β)-Estra-1,3,5(10)-triene-3,15,16,17-tetrol [ACD/IUPAC Name]
(15α,16α,17β)-Estra-1,3,5(10)-triène-3,15,16,17-tétrol [French] [ACD/IUPAC Name]
15183-37-6 [RN]
Estra-1,3,5(10)-triene-3,15,16,17-tetrol, (15α,16α,17β)- [ACD/Index Name]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      5 Axon Medchem 1926
      H303;H313;H317;H333;H334;H335;H373 Axon Medchem 1926
      no pictogram Axon Medchem 1926
      P101;P102;P103;P260;P262;P263;P264;P270;P280;P304;P312;P340 Axon Medchem 1926
      Warning Axon Medchem 1926

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

Density: 1.3±0.1 g/cm3
Boiling Point: 491.9±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.3 mmHg at 25°C
Enthalpy of Vaporization: 79.9±3.0 kJ/mol
Flash Point: 231.7±23.3 °C
Index of Refraction: 1.650
Molar Refractivity: 82.7±0.3 cm3
#H bond acceptors: 4
#H bond donors: 4
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.21
ACD/LogD (pH 5.5): 1.99
ACD/BCF (pH 5.5): 19.08
ACD/KOC (pH 5.5): 287.28
ACD/LogD (pH 7.4): 1.99
ACD/BCF (pH 7.4): 19.06
ACD/KOC (pH 7.4): 286.87
Polar Surface Area: 81 Å2
Polarizability: 32.8±0.5 10-24cm3
Surface Tension: 59.3±3.0 dyne/cm
Molar Volume: 226.6±3.0 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) =  1.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  468.15  (Adapted Stein & Brown method)
    Melting Pt (deg C):  197.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.23E-012  (Modified Grain method)
    Subcooled liquid VP: 2.13E-010 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):  1119
       log Kow used: 1.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  14915 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.86E-014  atm-m3/mole
   Group Method:   5.11E-022  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.156E-015 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.87  (KowWin est)
  Log Kaw used:  -11.702  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  13.572
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1200
   Biowin2 (Non-Linear Model)     :   0.9152
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7010  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5461  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5029
   Biowin6 (MITI Non-Linear Model):   0.1441
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2491
 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):  2.84E-008 Pa (2.13E-010 mm Hg)
  Log Koa (Koawin est  ): 13.572
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  106 
       Octanol/air (Koa) model:  9.16 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1 
       Mackay model           :  1 
       Octanol/air (Koa) model:  0.999 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 134.3494 E-12 cm3/molecule-sec
      Half-Life =     0.080 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.955 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1353
      Log Koc:  3.131 

 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 = 0.738 (BCF = 5.466)
       log Kow used: 1.87 (estimated)

 Volatilization from Water:
    Henry LC:  4.86E-014 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 2.102E+010  hours   (8.758E+008 days)
    Half-Life from Model Lake : 2.293E+011  hours   (9.554E+009 days)

 Removal In Wastewater Treatment:
    Total removal:               2.14  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.05  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       0.0026          1.91         1000       
   Water     25.7            900          1000       
   Soil      74.2            1.8e+003     1000       
   Sediment  0.086           8.1e+003     0          
     Persistence Time: 1.33e+003 hr


Click to predict properties on the Chemicalize site

Feedback Form