ChemSpider 2D Image | 1,4-Diethyl-2-methylbenzene | C11H16

1,4-Diethyl-2-methylbenzene

  • Molecular FormulaC11H16
  • Average mass148.245 Da
  • Monoisotopic mass148.125198 Da
  • ChemSpider ID123040

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

1,4-Diethyl-2-methylbenzene [ACD/IUPAC Name]
1,4-Diéthyl-2-méthylbenzène [French] [ACD/IUPAC Name]
1,4-Diethyl-2-methylbenzol [German] [ACD/IUPAC Name]
13632-94-5 [RN]
2,5-Diethyltoluene
709IZI9E68
Benzene, 1,4-diethyl-2-methyl- [ACD/Index Name]
1,4-Diethyl-2-methy lbenzene
1,4-diethyl-2-methyl-benzene
1-Methyl-2,5-diethylbenzene
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

  • Gas Chromatography

    • Retention Index (Kovats):

      1219 (estimated with error: 55) NIST Spectra mainlib_113577
      1143.3 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 52 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: OV-1; Carrier gas: H2; Phase thickness: 0.38 um; Data type: Kovats RI; Authors: Matisova, E.; Kuran, P., Reproducibility of retention indices measurement of alkylbenzenes on crosslinked methyl silicone phase fused silica capillaries, Chromatographia, 30(5/6), 1990, 328-332.) NIST Spectra nist ri
      1143.7 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 52 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: OV-1; Carrier gas: N2; Phase thickness: 0.38 um; Data type: Kovats RI; Authors: Matisova, E.; Kuran, P., Reproducibility of retention indices measurement of alkylbenzenes on crosslinked methyl silicone phase fused silica capillaries, Chromatographia, 30(5/6), 1990, 328-332.) NIST Spectra nist ri
      1144.2 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: PONA; Carrier gas: H2; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Matisova, E.; Kuran, P., Reproducibility of retention indices measurement of alkylbenzenes on crosslinked methyl silicone phase fused silica capillaries, Chromatographia, 30(5/6), 1990, 328-332.) NIST Spectra nist ri
      1144 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: OV-101; Carrier gas: He; Data type: Kovats RI; Authors: Matisova, E.; Kovacicova, E.; Ha, P.T.; Kolek, E.; Engewald, W., Identification of alkylbenzenes up to C12 by capillary gas chromatography-mass spectrometry. II. Retention indices on OV-101 columns and retention-molecular structure correlations, J. Chromatogr., 475, 1989, 113-123.) NIST Spectra nist ri
      1155 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 278 m; Column type: Capillary; Start T: 120 C; CAS no: 13632945; Active phase: OV-101; Carrier gas: N2; Data type: Kovats RI; Authors: Matisova, E.; Moravcova, A.; Krupcik; Cellar, P.; Leclercq, P.A., Problems with the reproducibility of retention data on capillary columns with hydrocarbon C87 as the stationary phase, J. Chromatogr., 454, 1988, 65-71.) NIST Spectra nist ri
      1149 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 278 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: OV-101; Carrier gas: H2; Data type: Kovats RI; Authors: Matisova, E.; Rukriglova, M.; Krupcik, J.; Kovacicova, E.; Holotik, S., Identification of alkylbenzenes up to C12 by capillary gas chromatography and combined gas chromatography-mass spectrometry. I. OV-101 as stationary phase, J. Chromatogr., 455, 1988, 301-309.) NIST Spectra nist ri
      1164 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 200 m; Column type: Capillary; Start T: 120 C; CAS no: 13632945; Active phase: Apolane; Carrier gas: N2; Data type: Kovats RI; Authors: Matisova, E.; Moravcova, A.; Krupcik; Cellar, P.; Leclercq, P.A., Problems with the reproducibility of retention data on capillary columns with hydrocarbon C87 as the stationary phase, J. Chromatogr., 454, 1988, 65-71.) NIST Spectra nist ri
      1403.6 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Start T: 90 C; CAS no: 13632945; Active phase: Carbowax 20M; Data type: Kovats RI; Authors: Doring, C.E.; Estel, D.; Fischer, R., Kapillar-gaschromatographische Charakterisierung von C10-bis C12-Aromaten, J. Prakt. Chem., 316, 1974, 1-12.) NIST Spectra nist ri

    • Retention Index (Normal Alkane):

      1138 (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: 13632945; 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
      1144 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; Heat rate: 2 K/min; Start T: 50 C; End T: 160 C; CAS no: 13632945; Active phase: OV-1; Data type: Normal alkane RI; Authors: Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J., Composition of the oil from waste tires. 2. Fraction boiling at 160-180 0C, Proc. Estonian Acad. Sci. Chem., 48(3), 1999, 136-140.) NIST Spectra nist ri
      1143 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 52 m; Column type: Capillary; Description: 70 - 160 C at 1.5 deg/min; 160 - 280 C at 15 deg/min 15 min at 280 C; CAS no: 13632945; Active phase: OV-101; Carrier gas: H2; Phase thickness: 0.38 um; Data type: Normal alkane RI; Authors: Matisova, E.; Juranyiova, E.; Kuran, P.; Brandsteterova, E.; Kocan, A.; Holotik, S., Analysis of multicomponent mixtures by high-resolution capillary gas chromatography and combined gas chromatography-mass spectrometry. I. Aromatics in a hydrocarbon matrix, J. Chromatogr., 552, 1991, 301-312.) NIST Spectra nist ri
      1404 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column type: Capillary; Start T: 90 C; CAS no: 13632945; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Sutter, J.M.; Peterson, T.A.; Jurs, P.C., Prediction of gas chromatographic retention indices of alkylbenzenes, Anal. Chim. Acta., 342, 1997, 113-122., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 13632945; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Ivanciuc, O.; Ivanciuc, T.; Klein, D.J.; Seitz, W.A.; Balaban, A.T., Quantitative structure-retention relationships for gas chromatographic retention indices of alkylbenzenes with molecular graph descriptors, SAR & QSAR Environ. Res., 11, 2001, 419-452.) NIST Spectra nist ri
      1415 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 80 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri
      1425 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri
      1427 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri
      1440 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 120 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri
      1453 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 140 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri
      1464 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 160 C; CAS no: 13632945; Active phase: PEG-40M; Data type: Normal alkane RI; Authors: Nesterov, I.A.; Nesterova, T.N.; Pimerzin, A.A.; Tsvetkov, V.S., Thermodynamics of alkylbenzene sorption and evaporation. IV. Enthalpies of evaporation and thermodynamics chracteristics of sorption by stationary phases OV-101 and PEG-40M, Izvestia vysshikh uchebnykh zavedenii. Khimia i khimicheskaia tekhnologia (Chemistry and chemical technology), 43(4), 2000, 39-45.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 206.7±20.0 °C at 760 mmHg
Vapour Pressure: 0.3±0.2 mmHg at 25°C
Enthalpy of Vaporization: 42.5±0.8 kJ/mol
Flash Point: 72.9±7.3 °C
Index of Refraction: 1.497
Molar Refractivity: 50.2±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 4.66
ACD/LogD (pH 5.5): 4.54
ACD/BCF (pH 5.5): 1661.69
ACD/KOC (pH 5.5): 7028.58
ACD/LogD (pH 7.4): 4.54
ACD/BCF (pH 7.4): 1661.69
ACD/KOC (pH 7.4): 7028.58
Polar Surface Area: 0 Å2
Polarizability: 19.9±0.5 10-24cm3
Surface Tension: 29.1±3.0 dyne/cm
Molar Volume: 171.3±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) =  4.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  210.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  0.67  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.211  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  8.805
       log Kow used: 4.62 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5.6873 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.28E-002  atm-m3/mole
   Group Method:   1.58E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  4.674E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.62  (KowWin est)
  Log Kaw used:  -0.281  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.901
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8410
   Biowin2 (Non-Linear Model)     :   0.9331
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6470  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4283  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2266
   Biowin6 (MITI Non-Linear Model):   0.2147
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.2247
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.7298
     BioHC Half-Life (days)     :   5.3675

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  26 Pa (0.195 mm Hg)
  Log Koa (Koawin est  ): 4.901
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.15E-007 
       Octanol/air (Koa) model:  1.95E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.17E-006 
       Mackay model           :  9.23E-006 
       Octanol/air (Koa) model:  1.56E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  17.7485 E-12 cm3/molecule-sec
      Half-Life =     0.603 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.232 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 6.7E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2679
      Log Koc:  3.428 

 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 = 2.855 (BCF = 716.4)
       log Kow used: 4.62 (estimated)

 Volatilization from Water:
    Henry LC:  0.0158 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.288  hours
    Half-Life from Model Lake :      116.1  hours   (4.839 days)

 Removal In Wastewater Treatment:
    Total removal:              91.04  percent
    Total biodegradation:        0.22  percent
    Total sludge adsorption:    43.06  percent
    Total to Air:               47.75  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.36            14.5         1000       
   Water     10              900          1000       
   Soil      78.7            1.8e+003     1000       
   Sediment  9.87            8.1e+003     0          
     Persistence Time: 780 hr

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