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ChemSpider 2D Image | 2-ethyl-3-methyl-1-pentene | C8H16

2-ethyl-3-methyl-1-pentene

  • Molecular FormulaC8H16
  • Average mass112.213 Da
  • Monoisotopic mass112.125198 Da
  • ChemSpider ID93056

More details:






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

222-284-7 [EINECS]
2-ethyl-3-methyl-1-pentene
3404-67-9 [RN]
3-Methyl-4-methylenehexane [ACD/IUPAC Name]
3-Méthyl-4-méthylènehexane [French] [ACD/IUPAC Name]
3-Methyl-4-methylenhexan [German] [ACD/IUPAC Name]
Hexane, 3-methyl-4-methylene- [ACD/Index Name]
1-Pentene, 2-ethyl-3-methyl
1-PENTENE, 2-ETHYL-3-METHYL-
2-Ethyl-3-methylpent-1-ene
More...
  • Gas Chromatography
    • Retention Index (Kovats):

      720 (estimated with error: 39) NIST Spectra mainlib_157246, replib_160501
      756.9 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.25 mm; Column length: 150 m; Column type: Capillary; Start T: 30 C; CAS no: 3404679; Active phase: Petrocol DH; Carrier gas: H2; Phase thickness: 1 um; Data type: Kovats RI; Authors: Sojak, L.; Addova, G.; Kubinec, R.; Kraus, A.; Bohac, A., Capillary gas chromatography-mass spectrometry of all 93 acyclic octenes and their identification in fluid catalytic cracked gasoline, J. Chromatogr. A, 1025, 2004, 237-253.) NIST Spectra nist ri
      748.5 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 93 m; Column type: Capillary; Start T: 30 C; CAS no: 3404679; Active phase: Squalane; Carrier gas: He; Data type: Kovats RI; Authors: Sojak, L.; Addova, G.; Kubinec, R.; Kraus, A.; Bohac, A., Capillary gas chromatography-mass spectrometry of all 93 acyclic octenes and their identification in fluid catalytic cracked gasoline, J. Chromatogr. A, 1025, 2004, 237-253.) NIST Spectra nist ri
      750 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.2 mm; Column length: 50 m; Column type: Capillary; Start T: 100 C; CAS no: 3404679; Active phase: Squalane; Carrier gas: H2; Data type: Kovats RI; Authors: Mitra, G.D.; Mohan, G.; Sinha, A., Gas chromatographic analysis of complex hydrocarbon mixtures, J. Chromatogr. A, 91, 1974, 633-648.) NIST Spectra nist ri
      751 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 300 ft; Column type: Capillary; Start T: 40 C; CAS no: 3404679; Active phase: Squalane; Carrier gas: N2; Data type: Kovats RI; Authors: Matukuma, A., Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data, Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 7, 1969, 55-75.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 0.7±0.1 g/cm3
Boiling Point: 112.1±7.0 °C at 760 mmHg
Vapour Pressure: 26.1±0.1 mmHg at 25°C
Enthalpy of Vaporization: 33.6±0.8 kJ/mol
Flash Point: 6.7±8.1 °C
Index of Refraction: 1.410
Molar Refractivity: 38.6±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 4.33
ACD/LogD (pH 5.5): 3.85
ACD/BCF (pH 5.5): 493.38
ACD/KOC (pH 5.5): 2947.00
ACD/LogD (pH 7.4): 3.85
ACD/BCF (pH 7.4): 493.38
ACD/KOC (pH 7.4): 2947.00
Polar Surface Area: 0 Å2
Polarizability: 15.3±0.5 10-24cm3
Surface Tension: 20.8±3.0 dyne/cm
Molar Volume: 155.9±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) =  4.12

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  97.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -90.39  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  25.7  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  112.5 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  9.476
       log Kow used: 4.12 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  10.889 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.46E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.005E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.12  (KowWin est)
  Log Kaw used:  1.484  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.636
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6941
   Biowin2 (Non-Linear Model)     :   0.8046
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9512  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6858  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4401
   Biowin6 (MITI Non-Linear Model):   0.5401
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3365
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.6096
     BioHC Half-Life (days)     :   4.0703

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  3.24E+003 Pa (24.3 mm Hg)
  Log Koa (Koawin est  ): 2.636
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.26E-010 
       Octanol/air (Koa) model:  1.06E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.34E-008 
       Mackay model           :  7.41E-008 
       Octanol/air (Koa) model:  8.49E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  56.3709 E-12 cm3/molecule-sec
      Half-Life =     0.190 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.277 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.200000 E-17 cm3/molecule-sec
      Half-Life =     0.955 Days (at 7E11 mol/cm3)
      Half-Life =     22.920 Hrs
   Fraction sorbed to airborne particulates (phi): 5.38E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  398.9
      Log Koc:  2.601 

 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 = 2.470 (BCF = 294.9)
       log Kow used: 4.12 (estimated)

 Volatilization from Water:
    Henry LC:  0.746 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.082  hours
    Half-Life from Model Lake :      100.6  hours   (4.193 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              99.71  percent
    Total biodegradation:        0.07  percent
    Total sludge adsorption:    20.75  percent
    Total to Air:               78.89  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       4.65            3.8          1000       
   Water     68.2            360          1000       
   Soil      15.9            720          1000       
   Sediment  11.3            3.24e+003    0          
     Persistence Time: 89.9 hr




                    

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