ChemSpider 2D Image | 4,4-Dimethylcholest-5-en-3-ol | C29H50O

4,4-Dimethylcholest-5-en-3-ol

  • Molecular FormulaC29H50O
  • Average mass414.707 Da
  • Monoisotopic mass414.386169 Da
  • ChemSpider ID246935

More details:

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

4,4-Dimethylcholest-5-en-3-ol [ACD/IUPAC Name]
4,4-Dimethylcholest-5-en-3-ol [German] [ACD/IUPAC Name]
4,4-Diméthylcholest-5-én-3-ol [French] [ACD/IUPAC Name]
Cholest-5-en-3-ol, 4,4-dimethyl- [ACD/Index Name]
1253-88-9 [RN]
126026-30-0 [RN]
4, 4-Dimethylcholesterol
4,4-Dimethylcholest-5-en-3-β-ol
4,4-Dimethylcholest-5-enol
4,4-Dimethylcholesterol
More...

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

NSC132035 [DBID]
  • Gas Chromatography

    • Retention Index (Kovats):

      2731 (estimated with error: 174) NIST Spectra mainlib_67294
      3260 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 250 C; CAS no: 1253889; Active phase: Methyl Silicone; Data type: Kovats RI; Authors: Shlyakhov, A.F., Gas chromatography in organic geochemistry, Nedra, Moscow, 1984, 221.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 493.5±14.0 °C at 760 mmHg
Vapour Pressure: 0.0±2.8 mmHg at 25°C
Enthalpy of Vaporization: 87.6±6.0 kJ/mol
Flash Point: 217.9±12.4 °C
Index of Refraction: 1.521
Molar Refractivity: 129.2±0.4 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 1
ACD/LogP: 10.88
ACD/LogD (pH 5.5): 9.02
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 1916285.50
ACD/LogD (pH 7.4): 9.02
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 1916285.50
Polar Surface Area: 20 Å2
Polarizability: 51.2±0.5 10-24cm3
Surface Tension: 37.5±5.0 dyne/cm
Molar Volume: 424.1±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) =  9.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  446.48  (Adapted Stein & Brown method)
    Melting Pt (deg C):  176.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.05E-010  (Modified Grain method)
    Subcooled liquid VP: 7.76E-009 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):  4.988e-005
       log Kow used: 9.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.00049951 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.95E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.243E-006 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.61  (KowWin est)
  Log Kaw used:  -1.919  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  11.529
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1570
   Biowin2 (Non-Linear Model)     :   0.0010
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.8063  (months      )
   Biowin4 (Primary Survey Model) :   2.9185  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0986
   Biowin6 (MITI Non-Linear Model):   0.0068
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.5609
 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-006 Pa (7.76E-009 mm Hg)
  Log Koa (Koawin est  ): 11.529
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.9 
       Octanol/air (Koa) model:  0.083 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.991 
       Mackay model           :  0.996 
       Octanol/air (Koa) model:  0.869 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 128.4947 E-12 cm3/molecule-sec
      Half-Life =     0.083 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.999 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): 0.993 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3.596E+006
      Log Koc:  6.556 

 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 = 1.235 (BCF = 17.17)
       log Kow used: 9.61 (estimated)

 Volatilization from Water:
    Henry LC:  0.000295 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       6.12  hours
    Half-Life from Model Lake :      237.5  hours   (9.897 days)

 Removal In Wastewater Treatment:
    Total removal:              94.03  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  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       0.0168          1.85         1000       
   Water     1.37            1.44e+003    1000       
   Soil      30.8            2.88e+003    1000       
   Sediment  67.8            1.3e+004     0          
     Persistence Time: 4.79e+003 hr

Click to predict properties on the Chemicalize site


Advertisement