ChemSpider 2D Image | (3R,7R,11R)-3,7,11,15-Tetramethyl-1-hexadecyn-3-ol | C20H38O


  • Molecular FormulaC20H38O
  • Average mass294.515 Da
  • Monoisotopic mass294.292267 Da
  • ChemSpider ID1271890
  • defined stereocentres - 3 of 3 defined stereocentres

More details:

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

(3R,7R,11R)-3,7,11,15-Tetramethyl-1-hexadecin-3-ol [German] [ACD/IUPAC Name]
(3R,7R,11R)-3,7,11,15-Tetramethyl-1-hexadecyn-3-ol [ACD/IUPAC Name]
(3R,7R,11R)-3,7,11,15-Tétraméthyl-1-hexadécyn-3-ol [French] [ACD/IUPAC Name]
1-Hexadecyn-3-ol, 3,7,11,15-tetramethyl-, (3R,7R,11R)- [ACD/Index Name]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 319.4±10.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.5 mmHg at 25°C
Enthalpy of Vaporization: 65.0±6.0 kJ/mol
Flash Point: 147.9±8.8 °C
Index of Refraction: 1.463
Molar Refractivity: 93.9±0.3 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 13
#Rule of 5 Violations: 1
ACD/LogP: 7.73
ACD/LogD (pH 5.5): 6.90
ACD/BCF (pH 5.5): 103483.16
ACD/KOC (pH 5.5): 135276.61
ACD/LogD (pH 7.4): 6.90
ACD/BCF (pH 7.4): 103483.05
ACD/KOC (pH 7.4): 135276.47
Polar Surface Area: 20 Å2
Polarizability: 37.2±0.5 10-24cm3
Surface Tension: 31.9±3.0 dyne/cm
Molar Volume: 341.1±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) =  7.60

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  340.06  (Adapted Stein & Brown method)
    Melting Pt (deg C):  96.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.05E-006  (Modified Grain method)
    Subcooled liquid VP: 1E-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):  0.01395
       log Kow used: 7.60 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.014167 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Propargyl Alc-hindered

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.26E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.695E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  7.60  (KowWin est)
  Log Kaw used:  -2.528  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.128
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4234
   Biowin2 (Non-Linear Model)     :   0.0523
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3362  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2694  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1983
   Biowin6 (MITI Non-Linear Model):   0.1285
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1596
 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):  0.00133 Pa (1E-005 mm Hg)
  Log Koa (Koawin est  ): 10.128
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00225 
       Octanol/air (Koa) model:  0.0033 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0752 
       Mackay model           :  0.153 
       Octanol/air (Koa) model:  0.209 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  32.2521 E-12 cm3/molecule-sec
      Half-Life =     0.332 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.980 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.003000 E-17 cm3/molecule-sec
      Half-Life =   382.000 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi): 0.114 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.978E+004
      Log Koc:  4.296 

 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 = 2.494 (BCF = 312.1)
       log Kow used: 7.60 (estimated)

 Volatilization from Water:
    Henry LC:  7.26E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      15.59  hours
    Half-Life from Model Lake :        314  hours   (13.08 days)

 Removal In Wastewater Treatment:
    Total removal:              93.99  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.21  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       0.108           7.95         1000       
   Water     1.96            900          1000       
   Soil      28.6            1.8e+003     1000       
   Sediment  69.4            8.1e+003     0          
     Persistence Time: 3.1e+003 hr


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