ChemSpider 2D Image | 3α-Androstanediol | C19H32O2

3α-Androstanediol

  • Molecular FormulaC19H32O2
  • Average mass292.456 Da
  • Monoisotopic mass292.240234 Da
  • ChemSpider ID15039
  • defined stereocentres - 8 of 8 defined stereocentres


More details:






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

(3a,5a,17b)-Androstane-3,17-diol
(3α,5α,17β)-Androstan-3,17-diol [German] [ACD/IUPAC Name]
(3α,5α,17β)-Androstane-3,17-diol [ACD/IUPAC Name]
(3α,5α,17β)-Androstane-3,17-diol [French] [ACD/IUPAC Name]
217-447-4 [EINECS]
3a,17b-Dihydroxy-5a-androstane
3α androstanediol
3α-Androstanediol [Wiki]
5 α-Androstane-3β, 17β-diol
5α-Androstane-3α,17β-diol
More...

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

A7755_SIGMA [DBID]
BRN 2694353 [DBID]
CHEBI:36713 [DBID]
MLS000028362 [DBID]
NSC 9899 [DBID]
SMR000058611 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 415.0±18.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.2 mmHg at 25°C
Enthalpy of Vaporization: 77.2±6.0 kJ/mol
Flash Point: 186.0±15.8 °C
Index of Refraction: 1.546
Molar Refractivity: 85.0±0.3 cm3
#H bond acceptors: 2
#H bond donors: 2
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 4.33
ACD/LogD (pH 5.5): 3.53
ACD/BCF (pH 5.5): 285.89
ACD/KOC (pH 5.5): 1994.15
ACD/LogD (pH 7.4): 3.53
ACD/BCF (pH 7.4): 285.89
ACD/KOC (pH 7.4): 1994.15
Polar Surface Area: 40 Å2
Polarizability: 33.7±0.5 10-24cm3
Surface Tension: 42.6±3.0 dyne/cm
Molar Volume: 268.1±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) =  3.98
    Log Kow (Exper. database match) =  4.16
       Exper. Ref:  Hansch,C et al. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  389.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  144.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.79E-009  (Modified Grain method)
    Subcooled liquid VP: 1.6E-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):  3.804
       log Kow used: 4.16 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  345.88 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.10E-007  atm-m3/mole
   Group Method:   2.87E-011  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  9.904E-010 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.16  (exp database)
  Log Kaw used:  -4.603  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.763
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5579
   Biowin2 (Non-Linear Model)     :   0.0867
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4486  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3778  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5526
   Biowin6 (MITI Non-Linear Model):   0.1518
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.5694
 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):  2.13E-005 Pa (1.6E-007 mm Hg)
  Log Koa (Koawin est  ): 8.763
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.141 
       Octanol/air (Koa) model:  0.000142 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.836 
       Mackay model           :  0.918 
       Octanol/air (Koa) model:  0.0113 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  42.3023 E-12 cm3/molecule-sec
      Half-Life =     0.253 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.034 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.877 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  749.8
      Log Koc:  2.875 

 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 = 2.503 (BCF = 318.6)
       log Kow used: 4.16 (expkow database)

 Volatilization from Water:
    Henry LC:  6.1E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1643  hours   (68.47 days)
    Half-Life from Model Lake : 1.807E+004  hours   (752.9 days)

 Removal In Wastewater Treatment:
    Total removal:              37.88  percent
    Total biodegradation:        0.38  percent
    Total sludge adsorption:    37.47  percent
    Total to Air:                0.02  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.178           6.07         1000       
   Water     15              900          1000       
   Soil      79.6            1.8e+003     1000       
   Sediment  5.15            8.1e+003     0          
     Persistence Time: 1.25e+003 hr




                    

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