ChemSpider 2D Image | ZE3900000 | C12H18

ZE3900000

  • Molecular FormulaC12H18
  • Average mass162.271 Da
  • Monoisotopic mass162.140854 Da
  • ChemSpider ID7100

More details:

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

1-(1,1-Dimethylethyl)-3,5-dimethylbenzene
1,3-Dimethyl-5-(2-methyl-2-propanyl)benzene [ACD/IUPAC Name]
1,3-Diméthyl-5-(2-méthyl-2-propanyl)benzène [French] [ACD/IUPAC Name]
1,3-Dimethyl-5-(2-methyl-2-propanyl)benzol [German] [ACD/IUPAC Name]
1,3-DIMETHYL-5-(T-BUTYL)BENZENE
1-tert-Butyl-3,5-dimethylbenzene
202-647-6 [EINECS]
5-tert-Butyl-m-xylene
98-19-1 [RN]
Benzene, 1-(1,1-dimethylethyl)-3,5-dimethyl- [ACD/Index Name]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

20690_FLUKA [DBID]
233587_ALDRICH [DBID]
AI3-02460 [DBID]
BRN 1853314 [DBID]
NSC 11016 [DBID]
NSC11016 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous

    • Safety:

      23-26-37-60 Alfa Aesar A19220
      26-37 Alfa Aesar A19220
      36/37/38 Alfa Aesar A19220
      H315-H319-H335 Alfa Aesar A19220
      P261-P280-P305+P351+P338-P304+P340-P405-P501a Alfa Aesar A19220
      Warning Alfa Aesar A19220
      WARNING: Irritates lungs, eyes, skin Alfa Aesar A19220
  • Gas Chromatography

    • Retention Index (Kovats):

      1234 (estimated with error: 55) NIST Spectra mainlib_114055, replib_34704, replib_5857, replib_232632
      1169.6 (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: 98191; 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
      1152 (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: 98191; 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., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.5 mm; Column length: 25.5 m; Column type: Capillary; Start T: 65 C; CAS no: 98191; Active phase: SE-30; Carrier gas: He; Data type: Kovats RI; Authors: Svob, V.; Deur-Siftar, D., Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products, J. Chromatogr., 91, 1974, 677-689.) NIST Spectra nist ri
      1163 (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: 98191; 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
      1151 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.23 mm; Column length: 100 m; Column type: Capillary; Start T: 100 C; CAS no: 98191; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Engewald, W.; Wennrich, L., Molekulstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten hoherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 9(11), 1976, 540-547.) NIST Spectra nist ri
      1146.85 (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: 80 C; CAS no: 98191; Active phase: Squalane; Carrier gas: H2; Data type: Kovats RI; Authors: Sojak, L.; Rijks, J.A., Capillary gas chromatography of alkylbenzenes. I. Some problems encountered with the precision of the retention indcies of alkylbenzenes, J. Chromatogr., 119, 1976, 505-521.) NIST Spectra nist ri
      1391.4 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.23 mm; Column length: 100 m; Column type: Capillary; Start T: 100 C; CAS no: 98191; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Kovats RI; Authors: Engewald, W.; Wennrich, L., Molekulstruktur und Retentionsverhalten. VIII. Zum Retentionsverhalten hoherer Alkylbenzole bei der Gas-Verteilungs-Chromatographie, Chromatographia, 9(11), 1976, 540-547.) NIST Spectra nist ri
      1430.8 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.25 mm; Column length: 10 m; Column type: Capillary; Start T: 90 C; CAS no: 98191; Active phase: Carbowax 6000; Carrier gas: He; Data type: Kovats RI; Authors: Svob, V.; Deur-Siftar, D., Kovats Retention Indices in the Identification of Alkylbenzene Degradation Products, J. Chromatogr., 91, 1974, 677-689.) NIST Spectra nist ri

    • Retention Index (Normal Alkane):

      1160 (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: 98191; 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., 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: 140 C; CAS no: 98191; Active phase: Squalane; Carrier gas: He; Data type: Normal alkane RI; Authors: Protic, G.; Svob, V.; Deur-Siftar, D., Mass spectrometric and gas chromatographic data in hydrocarbon analyse, Sci. Papers of the Prague Institute of Chem. Technol., D42, 1980, 139-147.) NIST Spectra nist ri
      1140 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Capillary; Start T: 95.4 C; CAS no: 98191; Active phase: Squalane; Carrier gas: H2; Data type: Normal alkane RI; Authors: Sojak, L.; Vigdergauz, M.S., Comparison of interpolation methods for the interpretation of retention data in gas chromatography, J. Chromatogr., 148(1), 1978, 159-167.) NIST Spectra nist ri
      1385 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column type: Capillary; Start T: 90 C; CAS no: 98191; 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: 98191; 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

    • Retention Index (Linear):

      1163.6 (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: 98191; 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
      1164 (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: 98191; 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
      1165.2 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; Heat rate: 8 K/min; Start T: 35 C; End T: 300 C; CAS no: 98191; Active phase: OV-1; Data type: Linear RI; Authors: Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 43(3/4), 1996, 163-176.) NIST Spectra nist ri
      1165 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 30 C; End T: 220 C; CAS no: 98191; Active phase: Petrocol DH; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. Res. Chromatogr., 15, 1992, 105-120.) NIST Spectra nist ri
      1163 (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: 98191; 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, version: 14.00

Density: 0.9±0.1 g/cm3
Boiling Point: 207.9±20.0 °C at 760 mmHg
Vapour Pressure: 0.3±0.2 mmHg at 25°C
Enthalpy of Vaporization: 42.6±0.8 kJ/mol
Flash Point: 72.2±0.0 °C
Index of Refraction: 1.487
Molar Refractivity: 54.3±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 4.83
ACD/LogD (pH 5.5): 4.81
ACD/BCF (pH 5.5): 2650.55
ACD/KOC (pH 5.5): 9817.91
ACD/LogD (pH 7.4): 4.81
ACD/BCF (pH 7.4): 2650.55
ACD/KOC (pH 7.4): 9817.91
Polar Surface Area: 0 Å2
Polarizability: 21.5±0.5 10-24cm3
Surface Tension: 27.1±3.0 dyne/cm
Molar Volume: 188.7±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) =  5.00

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  210.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  7.52  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.254  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -18 deg C
    BP  (exp database):  207 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.609
       log Kow used: 5.00 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.4495 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.69E-002  atm-m3/mole
   Group Method:   1.34E-002  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.503E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.00  (KowWin est)
  Log Kaw used:  -0.161  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.161
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5957
   Biowin2 (Non-Linear Model)     :   0.5338
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4787  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.3231  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4058
   Biowin6 (MITI Non-Linear Model):   0.3259
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.7667
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.9895
     BioHC Half-Life (days)     :   9.7602

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  31.1 Pa (0.233 mm Hg)
  Log Koa (Koawin est  ): 5.161
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.66E-008 
       Octanol/air (Koa) model:  3.56E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.49E-006 
       Mackay model           :  7.73E-006 
       Octanol/air (Koa) model:  2.85E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.0504 E-12 cm3/molecule-sec
      Half-Life =     0.356 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.271 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 5.61E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  3097
      Log Koc:  3.491 

 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 = 3.148 (BCF = 1405)
       log Kow used: 5.00 (estimated)

 Volatilization from Water:
    Henry LC:  0.0134 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.356  hours
    Half-Life from Model Lake :      121.6  hours   (5.067 days)

 Removal In Wastewater Treatment:
    Total removal:              91.65  percent
    Total biodegradation:        0.34  percent
    Total sludge adsorption:    58.72  percent
    Total to Air:               32.59  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.597           8.54         1000       
   Water     7.61            900          1000       
   Soil      74.4            1.8e+003     1000       
   Sediment  17.4            8.1e+003     0          
     Persistence Time: 1.02e+003 hr

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