ChemSpider 2D Image | Hexadecylcyclohexane | C22H44

Hexadecylcyclohexane

  • Molecular FormulaC22H44
  • Average mass308.585 Da
  • Monoisotopic mass308.344299 Da
  • ChemSpider ID21749

More details:






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

1-CYCLOHEXYLHEXADECANE
6812-38-0 [RN]
Cyclohexane, hexadecyl- [ACD/Index Name]
Hexadecylcyclohexan [German] [ACD/IUPAC Name]
Hexadecylcyclohexane [ACD/IUPAC Name]
Hexadécylcyclohexane [French] [ACD/IUPAC Name]
n-Hexadecylcyclohexane
[6812-38-0] [RN]
MFCD04038421

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

  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      2272 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.3 mm; Column length: 22 m; Column type: Capillary; Start T: 210 C; CAS no: 6812380; Active phase: OV-101; Data type: Kovats RI; Authors: Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J., Kovats retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes, J. Chromatogr., 331, 1985, 219-228.) NIST Spectra nist ri
      2279 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 60C(1.5min)=> 20C/min=>130C => 4C/min=> 315C (90min); CAS no: 6812380; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Kenig, F.; Simons, D.-J.H.; Crich, D.; Cowen, J.P.; Ventura, G.T.; Rehbein-Khalily, T., Structure and distribution of branched aliphatic alkanes with quaternary carbon atoms in Cenomanian and Turonian black shales of Pasquia Hills (Saskatchewan, Canada), Org. Geochem., 36, 2005, 117-138.) NIST Spectra nist ri
      2280.1 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 40 m; Column type: Capillary; Start T: 210 C; CAS no: 6812380; Active phase: SE-52; Carrier gas: He; Data type: Kovats RI; Authors: Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J., Kovats retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes, J. Chromatogr., 331, 1985, 219-228.) NIST Spectra nist ri
      2285.7 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.3 mm; Column length: 20 m; Column type: Capillary; Start T: 190 C; CAS no: 6812380; Active phase: Apiezon L; Carrier gas: He; Data type: Kovats RI; Authors: Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J., Kovats retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes, J. Chromatogr., 331, 1985, 219-228.) NIST Spectra nist ri
      2304.2 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Start T: 170 C; CAS no: 6812380; Active phase: Carbowax 20M; Carrier gas: He; Data type: Kovats RI; Authors: Kusmierz, J.; Malinski, E.; Czerwiec, W.; Szafranek, J., Kovats retention indices of high-molecular-weight monomethyl-, cyclopentyl-, cyclohexyl- and phenylalkanes, J. Chromatogr., 331, 1985, 219-228.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 385.1±5.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.4 mmHg at 25°C
Enthalpy of Vaporization: 60.9±0.8 kJ/mol
Flash Point: 180.7±11.1 °C
Index of Refraction: 1.455
Molar Refractivity: 101.9±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 15
#Rule of 5 Violations: 1
ACD/LogP: 11.85
ACD/LogD (pH 5.5): 10.63
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 10000000.00
ACD/LogD (pH 7.4): 10.63
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 10000000.00
Polar Surface Area: 0 Å2
Polarizability: 40.4±0.5 10-24cm3
Surface Tension: 30.5±3.0 dyne/cm
Molar Volume: 375.1±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) =  10.96

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  362.79  (Adapted Stein & Brown method)
    Melting Pt (deg C):  85.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.67E-005  (Modified Grain method)
    MP  (exp database):  33.6 deg C
    BP  (exp database):  385 deg C
    Subcooled liquid VP: 4.38E-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):  1.387e-006
       log Kow used: 10.96 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.765e-007 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.37E+001  atm-m3/mole
   Group Method:   5.87E+001  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.074E+001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  10.96  (KowWin est)
  Log Kaw used:  2.986  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.974
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7091
   Biowin2 (Non-Linear Model)     :   0.6155
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8156  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6716  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6468
   Biowin6 (MITI Non-Linear Model):   0.7562
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2680
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.8600
     BioHC Half-Life (days)     :  72.4371

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.00584 Pa (4.38E-005 mm Hg)
  Log Koa (Koawin est  ): 7.974
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000514 
       Octanol/air (Koa) model:  2.31E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0182 
       Mackay model           :  0.0395 
       Octanol/air (Koa) model:  0.00185 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  31.7741 E-12 cm3/molecule-sec
      Half-Life =     0.337 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.040 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0288 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.729E+006
      Log Koc:  6.436 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 10.96 (estimated)

 Volatilization from Water:
    Henry LC:  23.7 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.793  hours
    Half-Life from Model Lake :      166.9  hours   (6.952 days)

 Removal In Wastewater Treatment:
    Total removal:              94.06  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.10  percent
    Total to Air:                0.19  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.28            8.08         1000       
   Water     3.74            360          1000       
   Soil      27.9            720          1000       
   Sediment  68.1            3.24e+003    0          
     Persistence Time: 1.24e+003 hr




                    

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