ChemSpider 2D Image | 1-t-butyl-4-ethylbenzene | C12H18

1-t-butyl-4-ethylbenzene

  • Molecular FormulaC12H18
  • Average mass162.271 Da
  • Monoisotopic mass162.140854 Da
  • ChemSpider ID73840

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1-Ethyl-4-(2-methyl-2-propanyl)benzene [ACD/IUPAC Name]
1-Éthyl-4-(2-méthyl-2-propanyl)benzène [French] [ACD/IUPAC Name]
1-Ethyl-4-(2-methyl-2-propanyl)benzol [German] [ACD/IUPAC Name]
1-t-butyl-4-ethylbenzene
230-903-7 [EINECS]
7364-19-4 [RN]
Benzene, 1- (1,1-dimethylethyl)-4-ethyl-
Benzene, 1-(1,1-dimethylethyl)-4-ethyl- [ACD/Index Name]
1-(1,1-dimethylethyl)-4-ethylbenzene
1-ethyl-4-(1,1-dimethylethyl)benzene
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

NSC159030 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Stability:

      Stable. Combustible. Incompatible with strong oxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      Treat as potentially harmful. Oxford University Chemical Safety Data (No longer updated) More details
  • Gas Chromatography
    • Retention Index (Kovats):

      1220 (estimated with error: 55) NIST Spectra mainlib_118592, replib_113591
      1173.6 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.2 mm; Column length: 100 m; Column type: Capillary; Description: 5C(10min)=>5C/min=>50C(48min)=>1.5C/min=>195C(91min); CAS no: 7364194; Active phase: Petrocol DH-100; Carrier gas: He; Data type: Kovats RI; Authors: Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22.) NIST Spectra nist ri
      1166 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 110 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 35 C; End T: 200 C; CAS no: 7364194; Active phase: OV-101; Carrier gas: He; Phase thickness: 0.20 um; Data type: Kovats RI; Authors: Hayes, P.C., Jr.; Pitzer, E.W., Characterizing petroleum- and shale-derived jet fuel distillates via temperature-programmed Kovats indices, J. Chromatogr., 253, 1982, 179-198.) NIST Spectra nist ri
      1158.5 (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: 86 C; CAS no: 7364194; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Macak, J.; Nabivach, V.; Buryan, P.; Sindler, S., Dependence of retention indices of alkylbenzenes on their molecular structure, J. Chromatogr., 234, 1982, 285-302., 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: 86 C; CAS no: 7364194; Active phase: Squalane; Data type: Kovats RI; Authors: Nabivach, V.M.; Bur'yan, P.; Matsak, I., Retention indices of aromatic hydrocarbons on a squalane capillary column, Zh. Anal. Khim., 33(7), 1978, 1108-1113, In original 1416-1422.) NIST Spectra nist ri
      1161 (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: 96 C; CAS no: 7364194; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Macak, J.; Nabivach, V.; Buryan, P.; Sindler, S., Dependence of retention indices of alkylbenzenes on their molecular structure, J. Chromatogr., 234, 1982, 285-302., 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: 96 C; CAS no: 7364194; Active phase: Squalane; Data type: Kovats RI; Authors: Nabivach, V.M.; Bur'yan, P.; Matsak, I., Retention indices of aromatic hydrocarbons on a squalane capillary column, Zh. Anal. Khim., 33(7), 1978, 1108-1113, In original 1416-1422.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1181 (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: 130 C; CAS no: 7364194; Active phase: Squalane; Carrier gas: N2; Data type: Normal alkane RI; Authors: Papazova, D.I.; Pankova, M.C., Identification of individual aromatic hydrocarbons in kerosene fraction (b.p. 150-250 ), J. Chromatogr., 105, 1975, 411-414.) NIST Spectra nist ri
      1412 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 80 C; CAS no: 7364194; 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
      1423 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 7364194; 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
      1424 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 7364194; 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
      1435 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 120 C; CAS no: 7364194; 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
      1451 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 50 m; Column type: Capillary; Start T: 140 C; CAS no: 7364194; 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
    • Retention Index (Linear):

      1165.9 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 35 C; End T: 220 C; End time: 8 min; Start time: 0.5 min; CAS no: 7364194; Active phase: PONA; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Martos, P.A.; Saraullo, A.; Pawliszyn, J., Estimation of air/coating distribution coefficients for solid phase microextraction using retention indexes from linear temperature-programmed capillary gas chromatography. Application to the sampling and analysis of total petroleum hydrocarbons in air, Anal. Chem., 69, 1997, 402-408.) NIST Spectra nist ri
      1169.4 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 35 C; End T: 220 C; End time: 8 min; Start time: 0.5 min; CAS no: 7364194; Active phase: PONA; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Martos, P.A.; Saraullo, A.; Pawliszyn, J., Estimation of air/coating distribution coefficients for solid phase microextraction using retention indexes from linear temperature-programmed capillary gas chromatography. Application to the sampling and analysis of total petroleum hydrocarbons in air, Anal. Chem., 69, 1997, 402-408.) NIST Spectra nist ri
      1166 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 108 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 35 C; End T: 200 C; CAS no: 7364194; Active phase: OV-101; Phase thickness: 0.2 um; Data type: Linear RI; Authors: Hayes, P.C., Jr.; Pitzer, E.W., Kovats indices as a tool in characterizing hydrocarbon fuels in temperature programmed glass capillary gas chromatography. Part 1. Qualitative identification, Inhouse rpt. for Air Force Wright Aeronautical Labs., Air Force Wright Aeronautical Labs., Wright-Patterson AFB, Ohio, 1981, 75.) 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: 211.5±10.0 °C at 760 mmHg
Vapour Pressure: 0.3±0.2 mmHg at 25°C
Enthalpy of Vaporization: 43.0±0.8 kJ/mol
Flash Point: 75.9±7.1 °C
Index of Refraction: 1.485
Molar Refractivity: 54.2±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 4.90
ACD/LogD (pH 5.5): 4.77
ACD/BCF (pH 5.5): 2491.42
ACD/KOC (pH 5.5): 9392.32
ACD/LogD (pH 7.4): 4.77
ACD/BCF (pH 7.4): 2491.42
ACD/KOC (pH 7.4): 9392.32
Polar Surface Area: 0 Å2
Polarizability: 21.5±0.5 10-24cm3
Surface Tension: 27.3±3.0 dyne/cm
Molar Volume: 188.9±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) =  4.94

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  210.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  1.27  (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):  4.03
       log Kow used: 4.94 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.3317 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.04E-002  atm-m3/mole
   Group Method:   1.94E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.118E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.94  (KowWin est)
  Log Kaw used:  -0.079  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.019
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5410
   Biowin2 (Non-Linear Model)     :   0.3913
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.5536  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3916  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2758
   Biowin6 (MITI Non-Linear Model):   0.2098
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3199
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.0382
     BioHC Half-Life (days)     :  10.9191

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  26 Pa (0.195 mm Hg)
  Log Koa (Koawin est  ): 5.019
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.15E-007 
       Octanol/air (Koa) model:  2.56E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.17E-006 
       Mackay model           :  9.23E-006 
       Octanol/air (Koa) model:  2.05E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   7.4156 E-12 cm3/molecule-sec
      Half-Life =     1.442 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    17.308 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    :  3695
      Log Koc:  3.568 

 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 = 3.104 (BCF = 1272)
       log Kow used: 4.94 (estimated)

 Volatilization from Water:
    Henry LC:  0.0194 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.338  hours
    Half-Life from Model Lake :      121.4  hours   (5.059 days)

 Removal In Wastewater Treatment:
    Total removal:              93.33  percent
    Total biodegradation:        0.28  percent
    Total sludge adsorption:    54.28  percent
    Total to Air:               38.76  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.02            34.6         1000       
   Water     8.14            900          1000       
   Soil      73.5            1.8e+003     1000       
   Sediment  16.3            8.1e+003     0          
     Persistence Time: 950 hr




                    

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