ChemSpider 2D Image | (9beta,14beta,17alpha)-3,20-Dioxopregn-4-en-17-yl acetate | C23H32O4

(9β,14β,17α)-3,20-Dioxopregn-4-en-17-yl acetate

  • Molecular FormulaC23H32O4
  • Average mass372.498 Da
  • Monoisotopic mass372.230072 Da
  • ChemSpider ID1387719

  • defined stereocentres - 6 of 6 defined stereocentres

More details:

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

(9β,14β,17α)-3,20-Dioxopregn-4-en-17-yl acetate [ACD/IUPAC Name]
(9β,14β,17α)-3,20-Dioxopregn-4-en-17-yl-acetat [German] [ACD/IUPAC Name]
Acétate de (9β,14β,17α)-3,20-dioxoprégn-4-én-17-yle [French] [ACD/IUPAC Name]
Pregn-4-ene-3,20-dione, 17-(acetyloxy)-, (9β,14β,17α)- [ACD/Index Name]

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

ZINC02100740 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 490.2±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 75.7±3.0 kJ/mol
Flash Point: 211.6±28.8 °C
Index of Refraction: 1.543
Molar Refractivity: 102.1±0.4 cm3
#H bond acceptors: 4
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 3.61
ACD/LogD (pH 5.5): 3.65
ACD/BCF (pH 5.5): 352.67
ACD/KOC (pH 5.5): 2317.45
ACD/LogD (pH 7.4): 3.65
ACD/BCF (pH 7.4): 352.67
ACD/KOC (pH 7.4): 2317.45
Polar Surface Area: 60 Å2
Polarizability: 40.5±0.5 10-24cm3
Surface Tension: 44.3±5.0 dyne/cm
Molar Volume: 324.0±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) =  3.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  439.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  184.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.95E-008  (Modified Grain method)
    Subcooled liquid VP: 8.97E-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):  3.323
       log Kow used: 3.67 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  14.176 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.09E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.876E-009 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.67  (KowWin est)
  Log Kaw used:  -7.351  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.021
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2063
   Biowin2 (Non-Linear Model)     :   0.0137
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8349  (months      )
   Biowin4 (Primary Survey Model) :   3.0345  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5890
   Biowin6 (MITI Non-Linear Model):   0.2128
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -2.0121
 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):  0.00012 Pa (8.97E-007 mm Hg)
  Log Koa (Koawin est  ): 11.021
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0251 
       Octanol/air (Koa) model:  0.0258 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.475 
       Mackay model           :  0.667 
       Octanol/air (Koa) model:  0.673 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 102.7211 E-12 cm3/molecule-sec
      Half-Life =     0.104 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.250 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 0.571 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3460
      Log Koc:  3.539 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  9.548E-002  L/mol-sec
  Kb Half-Life at pH 8:      84.020  days   
  Kb Half-Life at pH 7:       2.300  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.126 (BCF = 133.5)
       log Kow used: 3.67 (estimated)

 Volatilization from Water:
    Henry LC:  1.09E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.037E+006  hours   (4.32E+004 days)
    Half-Life from Model Lake : 1.131E+007  hours   (4.712E+005 days)

 Removal In Wastewater Treatment:
    Total removal:              17.51  percent
    Total biodegradation:        0.22  percent
    Total sludge adsorption:    17.29  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       0.00968         2.26         1000       
   Water     9.7             1.44e+003    1000       
   Soil      89              2.88e+003    1000       
   Sediment  1.28            1.3e+004     0          
     Persistence Time: 2.57e+003 hr

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