ChemSpider 2D Image | methylcyclopentadiene | C6H8

methylcyclopentadiene

  • Molecular FormulaC6H8
  • Average mass80.128 Da
  • Monoisotopic mass80.062599 Da
  • ChemSpider ID60141

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

1,3-Cyclopentadiene, 1-methyl- [ACD/Index Name]
1-Methyl-1,3-cyclopentadien [German] [ACD/IUPAC Name]
1-Methyl-1,3-cyclopentadiene [ACD/IUPAC Name]
1-Méthyl-1,3-cyclopentadiène [French] [ACD/IUPAC Name]
1-Methylcyclopenta-1,3-diene
1-Methylcyclopentadiene
247-757-5 [EINECS]
methylcyclopentadiene [Wiki]
1,3-Cyclopentadiene, methyl-
26519-91-5 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

NSC 157581 [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      653 (estimated with error: 39) NIST Spectra mainlib_164279
      642 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.23 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 96399; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Bermejo, J.; Blanco, C.G.; Diez, M.A.; Guillen, M.D., Kovats retention indices of selected mono and polycyclic olefins, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 10, 1987, 461-463., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.23 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 96399; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      644 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Start T: 100 C; CAS no: 96399; Active phase: BP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Bermejo, J.; Blanco, C.G.; Diez, M.A.; Guillen, M.D., Kovats retention indices of selected mono and polycyclic olefins, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 10, 1987, 461-463., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.23 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 96399; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Bermejo, J.; Blanco, C.G.; Diez, M.A.; Guillen, M.D., Kovats retention indices of selected mono and polycyclic olefins, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 10, 1987, 461-463., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.23 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 96399; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      641 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.22 mm; Column length: 12 m; Column type: Capillary; Start T: 80 C; CAS no: 96399; Active phase: BP-1; Carrier gas: N2; Data type: Kovats RI; Authors: Bermejo, J.; Blanco, C.G.; Diez, M.A.; Guillen, M.D., Kovats retention indices of selected mono and polycyclic olefins, J. Hi. Res. Chromatogr. & Chromatogr. Comm., 10, 1987, 461-463.) NIST Spectra nist ri
      627.5 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.5 mm; Column length: 45 m; Column type: Capillary; Start T: 80 C; CAS no: 96399; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      630 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.5 mm; Column length: 45 m; Column type: Capillary; Start T: 100 C; CAS no: 96399; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      652.8 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 96399; Active phase: SE-54; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      653.8 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 96399; Active phase: SE-54; Carrier gas: N2; Data type: Kovats RI; Authors: Diez, M.A.; Guillen, M.D.; Blanco, C.G.; Bermejo, J., Chromatographic study of methylcyclopentadiene dimers and iso-dimers and determination of their boiling points, J. Chromatogr., 508, 1990, 363-374.) NIST Spectra nist ri
      626 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 49 C; CAS no: 96399; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 64 C; CAS no: 96399; Active phase: Squalane; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Sojak, L.; Ruman, J.; Janak, J., Characterization of Monoalkylcyclopentadiens by Retention-Structure Correlation in Capillary Gas Chromatography, J. Chromatogr., 391, 1987, 79-87.) NIST Spectra nist ri
      626.3 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Start T: 50 C; CAS no: 96399; Active phase: Squalane; Data type: Kovats RI; Authors: Bajus, M.; Vesely, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane, Ind. Eng. Chem. Prod. Res. Dev., 18(2), 1979, 135-142.) NIST Spectra nist ri
      623 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 27 C; CAS no: 96399; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217.) NIST Spectra nist ri
      628 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 67 C; CAS no: 96399; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217.) NIST Spectra nist ri
      844.5 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 64 C; CAS no: 96399; Active phase: Carbowax 20M; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Sojak, L.; Ruman, J.; Janak, J., Characterization of Monoalkylcyclopentadiens by Retention-Structure Correlation in Capillary Gas Chromatography, J. Chromatogr., 391, 1987, 79-87.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      659.3 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.1 mm; Column length: 20 m; Column type: Capillary; Description: 40C(0.4min) =>10C/min=> 110C=>20C/min =>260C (1min); CAS no: 96399; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: LECO Corporation, Rapid qualitative GC/TOFMS analysis of unleaded gasoline, 2003.) NIST Spectra nist ri
      638.8 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.1 mm; Column length: 20 m; Column type: Capillary; Description: 40C(0.4min) => 10C/min =>110C =>20C/min =>260C (1min); CAS no: 96399; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: LECO Corporation, Rapid qualitative GC/TOFMS analysis of a petroleum refinery reformate standard, 2003.) NIST Spectra nist ri
      626 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 96399; Active phase: Squalane; Data type: Normal alkane RI; Authors: Chen, H.-F., Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression, Anal. Chim. Acta, 609, 2008, 24-36.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 85.8±7.0 °C at 760 mmHg
Vapour Pressure: 76.5±0.1 mmHg at 25°C
Enthalpy of Vaporization: 31.3±0.8 kJ/mol
Flash Point: -15.3±13.0 °C
Index of Refraction: 1.490
Molar Refractivity: 27.0±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.38
ACD/LogD (pH 5.5): 2.85
ACD/BCF (pH 5.5): 86.09
ACD/KOC (pH 5.5): 844.60
ACD/LogD (pH 7.4): 2.85
ACD/BCF (pH 7.4): 86.09
ACD/KOC (pH 7.4): 844.60
Polar Surface Area: 0 Å2
Polarizability: 10.7±0.5 10-24cm3
Surface Tension: 26.8±3.0 dyne/cm
Molar Volume: 93.3±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) =  2.80

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  91.79  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -73.33  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  128  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  72.78 deg C
    VP  (exp database):  1.24E+02 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  153.7
       log Kow used: 2.80 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1102.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.96E-002  atm-m3/mole
   Group Method:   1.17E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.780E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.80  (KowWin est)
  Log Kaw used:  0.610  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.190
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7094
   Biowin2 (Non-Linear Model)     :   0.8666
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0221  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7321  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5125
   Biowin6 (MITI Non-Linear Model):   0.6350
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4159
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4617
     BioHC Half-Life (days)     :   2.8956

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  1.65E+004 Pa (124 mm Hg)
  Log Koa (Koawin est  ): 2.190
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.81E-010 
       Octanol/air (Koa) model:  3.8E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.55E-009 
       Mackay model           :  1.45E-008 
       Octanol/air (Koa) model:  3.04E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 190.7338 E-12 cm3/molecule-sec
      Half-Life =     0.056 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.673 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =   100.000000 E-17 cm3/molecule-sec
      Half-Life =     0.011 Days (at 7E11 mol/cm3)
      Half-Life =     16.502 Min
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1.05E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  145.3
      Log Koc:  2.162 

 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 = 1.457 (BCF = 28.67)
       log Kow used: 2.80 (estimated)

 Volatilization from Water:
    Henry LC:  0.0117 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:     0.9582  hours   (57.49 min)
    Half-Life from Model Lake :      85.51  hours   (3.563 days)

 Removal In Wastewater Treatment:
    Total removal:              82.31  percent
    Total biodegradation:        0.04  percent
    Total sludge adsorption:     2.16  percent
    Total to Air:               80.11  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.246           0.228        1000       
   Water     60              360          1000       
   Soil      39              720          1000       
   Sediment  0.696           3.24e+003    0          
     Persistence Time: 104 hr




                    

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