ChemSpider 2D Image | Pregn-5-ene-3,20-dione | C21H30O2

Pregn-5-ene-3,20-dione

  • Molecular FormulaC21H30O2
  • Average mass314.462 Da
  • Monoisotopic mass314.224579 Da
  • ChemSpider ID133003

  • defined stereocentres - 6 of 6 defined stereocentres

More details:

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

1236-09-5 [RN]
Pregn-5-en-3,20-dion [German] [ACD/IUPAC Name]
Pregn-5-ene-3,20-dione [ACD/Index Name] [ACD/IUPAC Name]
Prégn-5-ène-3,20-dione [French] [ACD/IUPAC Name]
(1S,2R,10S,11S,14S,15S)-14-acetyl-2,15-dimethyltetracyclo[8.7.0.02,7.011,15]heptadec-7-en-5-one
4-07-00-02401 [Beilstein]
5-PREGNEN-3,20-DIONE
5-Pregnene-3,20-dione
isoprogesterone

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

CHEBI:63837 [DBID]
3102499 [DBID]
BRN 3102499 [DBID]
NSC 12875 [DBID]
NSC12875 [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: 440.1±45.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.1 mmHg at 25°C
Enthalpy of Vaporization: 69.7±3.0 kJ/mol
Flash Point: 164.2±25.7 °C
Index of Refraction: 1.542
Molar Refractivity: 91.0±0.4 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 4.11
ACD/LogD (pH 5.5): 4.06
ACD/BCF (pH 5.5): 715.02
ACD/KOC (pH 5.5): 3843.45
ACD/LogD (pH 7.4): 4.06
ACD/BCF (pH 7.4): 715.02
ACD/KOC (pH 7.4): 3843.45
Polar Surface Area: 34 Å2
Polarizability: 36.1±0.5 10-24cm3
Surface Tension: 41.2±5.0 dyne/cm
Molar Volume: 289.0±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) =  3.38

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  396.19  (Adapted Stein & Brown method)
    Melting Pt (deg C):  149.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.3E-006  (Modified Grain method)
    Subcooled liquid VP: 2.42E-005 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):  13.17
       log Kow used: 3.38 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  65.87 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.22E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.084E-008 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.38  (KowWin est)
  Log Kaw used:  -5.302  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.682
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.2436
   Biowin2 (Non-Linear Model)     :   0.0030
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0350  (months      )
   Biowin4 (Primary Survey Model) :   3.0427  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3623
   Biowin6 (MITI Non-Linear Model):   0.0674
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.7307
 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):  0.00323 Pa (2.42E-005 mm Hg)
  Log Koa (Koawin est  ): 8.682
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00093 
       Octanol/air (Koa) model:  0.000118 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0325 
       Mackay model           :  0.0692 
       Octanol/air (Koa) model:  0.00935 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 112.0652 E-12 cm3/molecule-sec
      Half-Life =     0.095 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.145 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 0.0509 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  7987
      Log Koc:  3.902 

 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 = 1.901 (BCF = 79.61)
       log Kow used: 3.38 (estimated)

 Volatilization from Water:
    Henry LC:  1.22E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       8512  hours   (354.7 days)
    Half-Life from Model Lake : 9.301E+004  hours   (3875 days)

 Removal In Wastewater Treatment:
    Total removal:              10.58  percent
    Total biodegradation:        0.16  percent
    Total sludge adsorption:    10.41  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0398          1.42         1000       
   Water     14.5            1.44e+003    1000       
   Soil      84.5            2.88e+003    1000       
   Sediment  0.923           1.3e+004     0          
     Persistence Time: 1.62e+003 hr

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