ChemSpider 2D Image | CLOBETASOL | C22H28ClFO4

CLOBETASOL

  • Molecular FormulaC22H28ClFO4
  • Average mass410.907 Da
  • Monoisotopic mass410.166016 Da
  • ChemSpider ID4470588
  • defined stereocentres - 8 of 8 defined stereocentres


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(11b,16b)-21-Chloro-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione
(11β,16β)-21-Chlor-9-fluor-11,17-dihydroxy-16-methylpregna-1,4-dien-3,20-dion [German] [ACD/IUPAC Name]
(11β,16β)-21-Chloro-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione [ACD/IUPAC Name]
(11β,16β)-21-Chloro-9-fluoro-11,17-dihydroxy-16-méthylprégna-1,4-diène-3,20-dione [French] [ACD/IUPAC Name]
246-633-8 [EINECS]
25122-41-2 [RN]
ADN79D536H
CLOBETASOL [Wiki]
clobetasolum [INN_la]
MFCD03695616
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

3154 [DBID]
6748271 [DBID]

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

    Density: 1.3±0.1 g/cm3
    Boiling Point: 555.1±50.0 °C at 760 mmHg
    Vapour Pressure: 0.0±3.4 mmHg at 25°C
    Enthalpy of Vaporization: 96.1±6.0 kJ/mol
    Flash Point: 289.5±30.1 °C
    Index of Refraction: 1.582
    Molar Refractivity: 103.5±0.4 cm3
    #H bond acceptors: 4
    #H bond donors: 2
    #Freely Rotating Bonds: 2
    #Rule of 5 Violations: 0
    ACD/LogP: 2.74
    ACD/LogD (pH 5.5): 2.74
    ACD/BCF (pH 5.5): 70.88
    ACD/KOC (pH 5.5): 734.86
    ACD/LogD (pH 7.4): 2.74
    ACD/BCF (pH 7.4): 70.88
    ACD/KOC (pH 7.4): 734.84
    Polar Surface Area: 75 Å2
    Polarizability: 41.0±0.5 10-24cm3
    Surface Tension: 52.3±5.0 dyne/cm
    Molar Volume: 310.2±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) =  2.31
        Log Kow (Exper. database match) =  2.48
           Exper. Ref:  Hansch,C et al. (1995)
    
     Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
        Boiling Pt (deg C):  496.55  (Adapted Stein & Brown method)
        Melting Pt (deg C):  210.98  (Mean or Weighted MP)
        VP(mm Hg,25 deg C):  1.24E-012  (Modified Grain method)
        MP  (exp database):  195.5-197 deg C
        Subcooled liquid VP: 7.73E-011 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):  19.97
           log Kow used: 2.48 (expkow database)
           no-melting pt equation used
    
     Water Sol Estimate from Fragments:
        Wat Sol (v1.01 est) =  22.557 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 :   1.62E-010  atm-m3/mole
       Group Method:   Incomplete
     Henrys LC [VP/WSol estimate using EPI values]:  3.357E-014 atm-m3/mole
    
     Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
      Log Kow used:  2.48  (exp database)
      Log Kaw used:  -8.179  (HenryWin est)
          Log Koa (KOAWIN v1.10 estimate):  10.659
          Log Koa (experimental database):  None
    
     Probability of Rapid Biodegradation (BIOWIN v4.10):
       Biowin1 (Linear Model)         :  -0.1228
       Biowin2 (Non-Linear Model)     :   0.0000
     Expert Survey Biodegradation Results:
       Biowin3 (Ultimate Survey Model):   1.3844  (recalcitrant)
       Biowin4 (Primary Survey Model) :   2.6255  (weeks-months)
     MITI Biodegradation Probability:
       Biowin5 (MITI Linear Model)    :   0.3731
       Biowin6 (MITI Non-Linear Model):   0.0002
     Anaerobic Biodegradation Probability:
       Biowin7 (Anaerobic Linear Model): -1.9221
     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):  1.03E-008 Pa (7.73E-011 mm Hg)
      Log Koa (Koawin est  ): 10.659
       Kp (particle/gas partition coef. (m3/ug)):
           Mackay model           :  291 
           Octanol/air (Koa) model:  0.0112 
       Fraction sorbed to airborne particulates (phi):
           Junge-Pankow model     :  1 
           Mackay model           :  1 
           Octanol/air (Koa) model:  0.472 
    
     Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
       Hydroxyl Radicals Reaction:
          OVERALL OH Rate Constant =  67.1754 E-12 cm3/molecule-sec
          Half-Life =     0.159 Days (12-hr day; 1.5E6 OH/cm3)
          Half-Life =     1.911 Hrs
       Ozone Reaction:
          OVERALL Ozone Rate Constant =     1.312500 E-17 cm3/molecule-sec
          Half-Life =     0.873 Days (at 7E11 mol/cm3)
          Half-Life =     20.955 Hrs
       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    :  95.97
          Log Koc:  1.982 
    
     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 = 1.210 (BCF = 16.2)
           log Kow used: 2.48 (expkow database)
    
     Volatilization from Water:
        Henry LC:  1.62E-010 atm-m3/mole  (estimated by Bond SAR Method)
        Half-Life from Model River: 7.326E+006  hours   (3.053E+005 days)
        Half-Life from Model Lake : 7.992E+007  hours   (3.33E+006 days)
    
     Removal In Wastewater Treatment:
        Total removal:               3.04  percent
        Total biodegradation:        0.10  percent
        Total sludge adsorption:     2.94  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       0.0463          3.23         1000       
       Water     15.9            4.32e+003    1000       
       Soil      83.9            8.64e+003    1000       
       Sediment  0.138           3.89e+004    0          
         Persistence Time: 2.81e+003 hr
    
    
    
    
                        

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