ChemSpider 2D Image | MFCD00048585 | C18H30

MFCD00048585

  • Molecular FormulaC18H30
  • Average mass246.431 Da
  • Monoisotopic mass246.234756 Da
  • ChemSpider ID11298

More details:






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

1,2,3,4,5,6-hexaethylbenzene
604-88-6 [RN]
Benzene, 1,2,3,4,5,6-hexaethyl- [ACD/Index Name]
Hexaethylbenzene [ACD/IUPAC Name]
Hexaéthylbenzène [French] [ACD/IUPAC Name]
Hexaethylbenzol [German] [ACD/IUPAC Name]
MFCD00048585
"BENZENE, HEXAETHYL-"|HEXAETHYLBENZENE
1,2,3,4,5,6-Hexaethyl-benzene
210-077-4 [EINECS]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

NSC 3800 [DBID]
NSC3800 [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      1956 (estimated with error: 55) NIST Spectra mainlib_156789, replib_11881, replib_241765
      1682 (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: 604886; 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
      1706 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Packed; Start T: 130 C; CAS no: 604886; Active phase: Methyl Silicone; Data type: Kovats RI; Authors: Antheaume, J.; Guiochon, G., Application de la chromatographie en phase gazeuse a l'etude de la composition des fractions moyennes d'un brut petrolier, Bull. Soc. Chim. Fr., 2, 1965, 298-307.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1658 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 604886; Active phase: SE-30; Carrier gas: He; Data type: Normal alkane RI; Authors: Vodenkova, N.N.; Leol'ko, A.S.; Nesterova, T.N.; Levanova, S.V., Kovats indices and normal boiling points of alkylbenzenes, Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol., 48(10), 2005, 33-39.) NIST Spectra nist ri
    • Retention Index (Linear):

      1699 (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: 604886; 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
      1682 (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: 604886; 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: 296.7±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.3 mmHg at 25°C
Enthalpy of Vaporization: 51.5±0.8 kJ/mol
Flash Point: 130.6±14.5 °C
Index of Refraction: 1.495
Molar Refractivity: 83.5±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 1
ACD/LogP: 8.17
ACD/LogD (pH 5.5): 6.61
ACD/BCF (pH 5.5): 62525.23
ACD/KOC (pH 5.5): 94318.63
ACD/LogD (pH 7.4): 6.61
ACD/BCF (pH 7.4): 62525.23
ACD/KOC (pH 7.4): 94318.63
Polar Surface Area: 0 Å2
Polarizability: 33.1±0.5 10-24cm3
Surface Tension: 29.4±3.0 dyne/cm
Molar Volume: 286.3±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) =  8.22

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  324.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  92.12  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000198  (Modified Grain method)
    MP  (exp database):  129 deg C
    BP  (exp database):  298 deg C
    Subcooled liquid VP: 0.00217 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):  0.002349
       log Kow used: 8.22 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.0017843 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.33E-002  atm-m3/mole
   Group Method:   1.12E-001  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.733E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  8.22  (KowWin est)
  Log Kaw used:  0.338  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.882
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9582
   Biowin2 (Non-Linear Model)     :   0.9513
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2055  (months      )
   Biowin4 (Primary Survey Model) :   3.0810  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3527
   Biowin6 (MITI Non-Linear Model):   0.0054
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.3721
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.8892
     BioHC Half-Life (days)     :   7.7480

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.289 Pa (0.00217 mm Hg)
  Log Koa (Koawin est  ): 7.882
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.04E-005 
       Octanol/air (Koa) model:  1.87E-005 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000374 
       Mackay model           :  0.000829 
       Octanol/air (Koa) model:  0.00149 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  60.7055 E-12 cm3/molecule-sec
      Half-Life =     0.176 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.114 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.000602 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1.759E+005
      Log Koc:  5.245 

 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 = 3.134 (BCF = 1361)
       log Kow used: 8.22 (estimated)

 Volatilization from Water:
    Henry LC:  0.112 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       1.61  hours
    Half-Life from Model Lake :      149.2  hours   (6.217 days)

 Removal In Wastewater Treatment:
    Total removal:              94.10  percent
    Total biodegradation:        0.77  percent
    Total sludge adsorption:    92.83  percent
    Total to Air:                0.49  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0414          4.23         1000       
   Water     1.4             1.44e+003    1000       
   Soil      29.7            2.88e+003    1000       
   Sediment  68.8            1.3e+004     0          
     Persistence Time: 4.65e+003 hr




                    

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