ChemSpider 2D Image | 2-Methyldocosane | C23H48

2-Methyldocosane

  • Molecular FormulaC23H48
  • Average mass324.627 Da
  • Monoisotopic mass324.375610 Da
  • ChemSpider ID452833

More details:






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

1560-81-2 [RN]
2-Methyldocosan [German] [ACD/IUPAC Name]
2-Methyldocosane [ACD/IUPAC Name]
2-Méthyldocosane [French] [ACD/IUPAC Name]
Docosane, 2-methyl
Docosane, 2-methyl- [ACD/Index Name]
MFCD00061000

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

  • Gas Chromatography
    • Retention Index (Kovats):

      2243 (estimated with error: 39) NIST Spectra mainlib_131166
      2259 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.30 mm; Column length: 30 m; Column type: Capillary; Start T: 210 C; CAS no: 1560812; Active phase: Dexsil 300; Carrier gas: He; Data type: Kovats RI; Authors: Szafranek, J.; Kusmierz, J.; Czerwiec, W., Gas chromatographic-mass spectrometric investigations of high-boiling crude oil alkane fractions, J. Chromatogr., 245, 1982, 219-228.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      2264 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 290 C; End time: 15 min; CAS no: 1560812; Active phase: BP-1; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mutis, A.; Parra, L.; Palma, R.; Pardo, F.; Perich, F.; Quiroz, A., Evidence of contact pheromone use in mating behavior of the raspberry weevil (Coleoptera: Corculionidae), Environ. Entomol., 38(1), 2009, 192-197.) NIST Spectra nist ri
      2265 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 290 C; End time: 15 min; CAS no: 1560812; Active phase: BP-1; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mutis, A.; Parra, L.; Palma, R.; Pardo, F.; Perich, F.; Quiroz, A., Evidence of contact pheromone use in mating behavior of the raspberry weevil (Coleoptera: Corculionidae), Environ. Entomol., 38(1), 2009, 192-197.) NIST Spectra nist ri
      2265.1 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 100 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 30 C; End T: 310 C; End time: 5 min; CAS no: 1560812; Active phase: OV-1; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Krkosova, Z.; Kubinec, R.; Addova, G.; Jurdakova, H.; Blasko, J.; Ostrovsky, I.; Sojak, L., Gas chromatographic - mass spectrometric characterization of monomethylalkanes from fuel diesel, Petroleum & Coal, 49(3), 2007, 51-62.) NIST Spectra nist ri
      2263 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 1560812; Active phase: Squalane; Data type: Normal alkane RI; Authors: Petrov, A.A., Hydrocarbons of petroleum, Nauka (publishing house), Moscow, 1984, 263.) NIST Spectra nist ri
    • Retention Index (Linear):

      2264 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; Heat rate: 5 K/min; Start T: 40 C; End T: 300 C; CAS no: 1560812; Active phase: Cross-Linked Methylsilicone; Data type: Linear RI; Authors: Khorasheh, F.; Gray, M.R.; Selucky, M.L., Correlation for Kovats retention index of C9-C26 monoalkyl and polymethyl alkanes and alkenes, J. Chromatogr., 481, 1989, 1-16.) NIST Spectra nist ri
      2265 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 30C=>5K/min=120C=>10C/min=>270C; CAS no: 1560812; Active phase: DB-5; Carrier gas: He; Data type: Linear RI; Authors: Zaikin, V.G.; Borisov, R.S., Chromatographic-mass spectrometric analysis of Fishcer-Tropsch synthesis products, J. Anal. Chem. USSR (Engl. Transl.), 57(6), 2002, 544-551, In original 653-660.) 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: 362.1±5.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.4 mmHg at 25°C
Enthalpy of Vaporization: 58.4±0.8 kJ/mol
Flash Point: 135.6±10.8 °C
Index of Refraction: 1.444
Molar Refractivity: 108.6±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 19
#Rule of 5 Violations: 1
ACD/LogP: 12.79
ACD/LogD (pH 5.5): 11.25
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 10000000.00
ACD/LogD (pH 7.4): 11.25
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 10000000.00
Polar Surface Area: 0 Å2
Polarizability: 43.0±0.5 10-24cm3
Surface Tension: 28.6±3.0 dyne/cm
Molar Volume: 408.6±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) =  11.56

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  362.23  (Adapted Stein & Brown method)
    Melting Pt (deg C):  70.07  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.46E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000145 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):  3.405e-007
       log Kow used: 11.56 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3.2464e-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 :   2.11E+002  atm-m3/mole
   Group Method:   7.22E+002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  6.850E+001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  11.56  (KowWin est)
  Log Kaw used:  3.936  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.624
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7014
   Biowin2 (Non-Linear Model)     :   0.5603
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7801  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6484  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6358
   Biowin6 (MITI Non-Linear Model):   0.7812
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6076
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.7517
     BioHC Half-Life (days)     :  56.4578

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0193 Pa (0.000145 mm Hg)
  Log Koa (Koawin est  ): 7.624
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000155 
       Octanol/air (Koa) model:  1.03E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00557 
       Mackay model           :  0.0123 
       Octanol/air (Koa) model:  0.000826 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  29.4717 E-12 cm3/molecule-sec
      Half-Life =     0.363 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.355 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00892 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4.129E+006
      Log Koc:  6.616 

 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: 11.56 (estimated)

 Volatilization from Water:
    Henry LC:  211 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.839  hours
    Half-Life from Model Lake :      171.1  hours   (7.131 days)

 Removal In Wastewater Treatment:
    Total removal:              94.10  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.90  percent
    Total to Air:                0.43  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.299           8.71         1000       
   Water     3.74            360          1000       
   Soil      27.9            720          1000       
   Sediment  68              3.24e+003    0          
     Persistence Time: 1.24e+003 hr




                    

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