ChemSpider 2D Image | 2,2',5,5'-Tetramethylbiphenyl | C16H18

2,2',5,5'-Tetramethylbiphenyl

  • Molecular FormulaC16H18
  • Average mass210.314 Da
  • Monoisotopic mass210.140854 Da
  • ChemSpider ID121468

More details:






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

1,1'-Biphenyl, 2,2',5,5'-tetramethyl- [ACD/Index Name]
2,2',5,5'-tetramethyl-1,1'-biphenyl
2,2',5,5'-Tetramethylbiphenyl [ACD/IUPAC Name]
2,2',5,5'-Tetramethylbiphenyl [German] [ACD/IUPAC Name]
2,2',5,5'-Tétraméthylbiphényle [French] [ACD/IUPAC Name]
MFCD00151846 [MDL number]
2-(2,5-dimethylphenyl)-1,4-dimethylbenzene
2,2,5,5-tetramethylbiphenyl
2,5,2',5'-tetrakismethylbiphenyl
3075-84-1 [RN]
More...

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

  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      1820 (estimated with error: 55) NIST Spectra mainlib_266065
    • Retention Index (Linear):

      1663.6 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 300 C; CAS no: 3075841; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zeng, Y.-X.; Zhao, C.-X.; Liang, Y.-Z.; Yang, H.; Fang, H.-Z.; Yi, L.-Z.; Zeng, Z.-D., Comparative analysis of volatile components from Clematis species growing in China, Anal. Chim. Acta., 595, 2007, 328-339.) NIST Spectra nist ri
      1656.5 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 290 C; CAS no: 3075841; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zhao, C.-X.; Liang, Y.-Z.; Fang, H.-Z.; Li, X.-N., Temperature-programmed retention indices for gas chromatography-mass spectroscopy analysis of plant essential oils, J. Chromatogr. A, 1096, 2005, 76-85.) NIST Spectra nist ri
      1663.2 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 290 C; CAS no: 3075841; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zhao, C.-X.; Liang, Y.-Z.; Fang, H.-Z.; Li, X.-N., Temperature-programmed retention indices for gas chromatography-mass spectroscopy analysis of plant essential oils, J. Chromatogr. A, 1096, 2005, 76-85.) NIST Spectra nist ri
      1668.5 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 80 C; End T: 290 C; CAS no: 3075841; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zhao, C.-X.; Liang, Y.-Z.; Fang, H.-Z.; Li, X.-N., Temperature-programmed retention indices for gas chromatography-mass spectroscopy analysis of plant essential oils, J. Chromatogr. A, 1096, 2005, 76-85.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 282.3±35.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.3 mmHg at 25°C
Enthalpy of Vaporization: 50.0±0.8 kJ/mol
Flash Point: 124.4±16.7 °C
Index of Refraction: 1.551
Molar Refractivity: 70.1±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 1
ACD/LogP: 5.82
ACD/LogD (pH 5.5): 5.39
ACD/BCF (pH 5.5): 7304.06
ACD/KOC (pH 5.5): 20282.91
ACD/LogD (pH 7.4): 5.39
ACD/BCF (pH 7.4): 7304.06
ACD/KOC (pH 7.4): 20282.91
Polar Surface Area: 0 Å2
Polarizability: 27.8±0.5 10-24cm3
Surface Tension: 34.1±3.0 dyne/cm
Molar Volume: 219.8±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) =  5.95

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  330.43  (Adapted Stein & Brown method)
    Melting Pt (deg C):  89.56  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.13E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000382 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):  0.3234
       log Kow used: 5.95 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.10767 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.14E-004  atm-m3/mole
   Group Method:   5.60E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  7.813E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  5.95  (KowWin est)
  Log Kaw used:  -1.600  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.550
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8661
   Biowin2 (Non-Linear Model)     :   0.9114
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4350  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2702  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3016
   Biowin6 (MITI Non-Linear Model):   0.1685
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.2236
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.4711
     BioHC Half-Life (days)     :  29.5854

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  0.0509 Pa (0.000382 mm Hg)
  Log Koa (Koawin est  ): 7.550
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.89E-005 
       Octanol/air (Koa) model:  8.71E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00212 
       Mackay model           :  0.00469 
       Octanol/air (Koa) model:  0.000696 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  22.2245 E-12 cm3/molecule-sec
      Half-Life =     0.481 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.775 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00341 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4.482E+004
      Log Koc:  4.651 

 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 = 3.879 (BCF = 7561)
       log Kow used: 5.95 (estimated)

 Volatilization from Water:
    Henry LC:  0.00056 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.996  hours
    Half-Life from Model Lake :      154.3  hours   (6.429 days)

 Removal In Wastewater Treatment:
    Total removal:              92.03  percent
    Total biodegradation:        0.76  percent
    Total sludge adsorption:    90.74  percent
    Total to Air:                0.53  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.296           11.6         1000       
   Water     3.86            900          1000       
   Soil      43              1.8e+003     1000       
   Sediment  52.8            8.1e+003     0          
     Persistence Time: 2.01e+003 hr




                    

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