ChemSpider 2D Image | 2-Ethyl-1,3-butadiene | C6H10

2-Ethyl-1,3-butadiene

  • Molecular FormulaC6H10
  • Average mass82.144 Da
  • Monoisotopic mass82.078247 Da
  • ChemSpider ID17799

More details:






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

1-Pentene, 3-methylene- [ACD/Index Name]
2-Ethyl-1,3-butadiene
3404-63-5 [RN]
3-Methylen-1-penten [German] [ACD/IUPAC Name]
3-Methylene-1-pentene [ACD/IUPAC Name]
3-Méthylène-1-pentène [French] [ACD/IUPAC Name]
3-Methylenepent-1-ene
1,3-Butadiene, 2-ethyl-
1-Pentene, 3-methylene- (9CI)
2-Ethylbutadiene
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

BRN 1731547 [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      575 (estimated with error: 39) NIST Spectra mainlib_118159
      607 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 3404635; Active phase: SE-30; Substrate: Diatoport S; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Gas Chromatogr., , 1967, 506-510.) NIST Spectra nist ri
      599 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 27 C; CAS no: 3404635; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 49 C; CAS no: 3404635; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2 m; Column type: Packed; Start T: 70 C; CAS no: 3404635; Active phase: Squalane; Carrier gas: He; Substrate: Risorb (0.2-0.3 mm); Data type: Kovats RI; Authors: Safina, L.R.; Poznyak, T.I.; Lisitsyn, D.M.; Kiseleva, E.V.; Kovalev, G.I., Selective gas-chromatographic determination of trace unsaturated and aromatic-hydrocarbons in complex-mixtures, J. Appl. Chem. USSR (Engl. Transl.), 44(5), 1989, 749-754.) NIST Spectra nist ri
      610.8 (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: 50 C; CAS no: 3404635; Active phase: Squalane; Data type: Kovats RI; Authors: Bajus, M.; Vesely, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane, Ind. Eng. Chem. Prod. Res. Dev., 18(2), 1979, 135-142.) NIST Spectra nist ri
      611.9 (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: 70 C; CAS no: 3404635; Active phase: Squalane; Data type: Kovats RI; Authors: Bajus, M.; Vesely, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane, Ind. Eng. Chem. Prod. Res. Dev., 18(2), 1979, 135-142.) NIST Spectra nist ri
      600 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 67 C; CAS no: 3404635; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 50 ft; Column type: Packed; Start T: 86 C; CAS no: 3404635; Active phase: Squalane; Carrier gas: He; Substrate: Chromosorb P; Data type: Kovats RI; Authors: Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 6, 1968, 203-217.) NIST Spectra nist ri
      691 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 70 C; CAS no: 3404635; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Gas Chromatogr., , 1967, 506-510.) NIST Spectra nist ri
      711 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 26 ft; Column type: Packed; Start T: 130 C; CAS no: 3404635; Active phase: Carbowax 20M; Substrate: Diatoport P; Data type: Kovats RI; Authors: Widmer, H., Gas chromatographic identification of hydrocarbons using retention indices, J. Gas Chromatogr., , 1967, 506-510.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      600 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.26 mm; Column length: 52 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 220 C; CAS no: 3404635; Active phase: OV-101; Carrier gas: N2; Data type: Normal alkane RI; Authors: Chupalov, A.A.; Zenkevich, I.G., Chromatographic Characterization of Structural Transformations of Organic Compounds in Diels-Alder Reaction. Aliphatic Dienes and Dienophyls, Zh. Org. Khim., 32(6), 1996, 675-684, In original 675-684.) NIST Spectra nist ri

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

Density: 0.7±0.1 g/cm3
Boiling Point: 75.0±0.0 °C at 760 mmHg
Vapour Pressure: 117.3±0.1 mmHg at 25°C
Enthalpy of Vaporization: 30.3±0.8 kJ/mol
Flash Point: -20.6±13.0 °C
Index of Refraction: 1.410
Molar Refractivity: 29.1±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 2.94
ACD/LogD (pH 5.5): 2.62
ACD/BCF (pH 5.5): 58.14
ACD/KOC (pH 5.5): 637.71
ACD/LogD (pH 7.4): 2.62
ACD/BCF (pH 7.4): 58.14
ACD/KOC (pH 7.4): 637.71
Polar Surface Area: 0 Å2
Polarizability: 11.6±0.5 10-24cm3
Surface Tension: 18.9±3.0 dyne/cm
Molar Volume: 117.6±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) =  3.07

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  60.86  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -105.69  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  203  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  89.66
       log Kow used: 3.07 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  415.48 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.62E-001  atm-m3/mole
   Group Method:   1.04E-001  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.447E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.07  (KowWin est)
  Log Kaw used:  0.821  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.249
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7084
   Biowin2 (Non-Linear Model)     :   0.8632
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0176  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7292  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5485
   Biowin6 (MITI Non-Linear Model):   0.6782
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4149
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.4261
     BioHC Half-Life (days)     :   2.6674

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.67E+004 Pa (200 mm Hg)
  Log Koa (Koawin est  ): 2.249
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.12E-010 
       Octanol/air (Koa) model:  4.36E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.06E-009 
       Mackay model           :  9E-009 
       Octanol/air (Koa) model:  3.48E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 106.1013 E-12 cm3/molecule-sec
      Half-Life =     0.101 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.210 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.400000 E-17 cm3/molecule-sec
      Half-Life =     0.819 Days (at 7E11 mol/cm3)
      Half-Life =     19.646 Hrs
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 6.53E-009 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  130.8
      Log Koc:  2.117 

 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 = 1.665 (BCF = 46.24)
       log Kow used: 3.07 (estimated)

 Volatilization from Water:
    Henry LC:  0.104 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       0.93  hours   (55.80 min)
    Half-Life from Model Lake :      86.14  hours   (3.589 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              97.62  percent
    Total biodegradation:        0.03  percent
    Total sludge adsorption:     2.98  percent
    Total to Air:               94.61  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.26            2.15         1000       
   Water     82.2            360          1000       
   Soil      13              720          1000       
   Sediment  1.57            3.24e+003    0          
     Persistence Time: 74.8 hr




                    

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