ChemSpider 2D Image | ES2625000 | C6H12O

ES2625000

  • Molecular FormulaC6H12O
  • Average mass100.159 Da
  • Monoisotopic mass100.088814 Da
  • ChemSpider ID7081

More details:






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

202-623-5 [EINECS]
2-Ethylbutanal [ACD/IUPAC Name]
2-Ethylbutanal [German] [ACD/IUPAC Name]
2-Éthylbutanal [French] [ACD/IUPAC Name]
2-Ethylbutyraldehyde [ACD/IUPAC Name]
2-Ethylbutyric aldehyde
97-96-1 [RN]
Butanal, 2-ethyl- [ACD/Index Name]
ES2625000
More...

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

676JY5569P [DBID]
MFCD00006985 [DBID] [MDL number]
03280_FLUKA [DBID]
110094_ALDRICH [DBID]
BRN 1209330 [DBID]
FEMA No. 2426 [DBID]
NSC 6757 [DBID]
NSC6757 [DBID]
UN1178 [DBID]
UNII:676JY5569P [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless, mobile liquid with a pungent odour Food and Agriculture Organization of the United Nations 2-Ethylbutanal
      liquid Oxford University Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable, but air sensitive. Flammable. Readily forms explosive mixtures with air.Incompatible with strong bases, strong reducing agents, oxidizing agents. Oxford University Chemical Safety Data (No longer updated) More details
    • Toxicity:

      ORL-RAT LD50 3980 mg kg-1 Oxford University Chemical Safety Data (No longer updated) More details
    • Safety:

      11-36/37 Alfa Aesar B23465
      16-26 Alfa Aesar B23465
      3 Alfa Aesar B23465
      Danger Alfa Aesar B23465
      Danger Biosynth Q-101277
      DANGER: FLAMMABLE, irritates skin and eyes Alfa Aesar B23465
      GHS02; GHS07 Biosynth Q-101277
      H225; H315; H319; H335 Biosynth Q-101277
      H225-H319-H335 Alfa Aesar B23465
      P210; P261; P305+P351+P338 Biosynth Q-101277
      P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar B23465
      Safety glasses, adequate ventilation. Oxford University Chemical Safety Data (No longer updated) More details
  • Gas Chromatography
    • Retention Index (Kovats):

      740.26 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 30 C; CAS no: 97961; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. A, 973, 2002, 135-142.) NIST Spectra nist ri
      742.07 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 50 C; CAS no: 97961; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. A, 973, 2002, 135-142.) NIST Spectra nist ri
      743.96 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 70 C; CAS no: 97961; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. A, 973, 2002, 135-142.) NIST Spectra nist ri
      746.25 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 90 C; CAS no: 97961; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. A, 973, 2002, 135-142.) NIST Spectra nist ri
      748.85 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 97961; Active phase: HP-1; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M.; Kowalska, T., Temperature dependence of Kovats indices in gas chromatography revisited, J. Chromatogr. A, 973, 2002, 135-142.) NIST Spectra nist ri
      742 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 50 C; CAS no: 97961; Active phase: HP-1; Carrier gas: N2; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra mainlib_118532, replib_61769, replib_19791, replib_228420, nist ri
      744 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 70 C; CAS no: 97961; Active phase: HP-1; Carrier gas: N2; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      746 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 90 C; CAS no: 97961; Active phase: HP-1; Carrier gas: N2; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      749 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Start T: 110 C; CAS no: 97961; Active phase: HP-1; Carrier gas: N2; Phase thickness: 1.05 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      1018 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 50 C; CAS no: 97961; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      1025.3 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 70 C; CAS no: 97961; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      1032.7 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 90 C; CAS no: 97961; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
      1040.3 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 110 C; CAS no: 97961; Active phase: HP-Innowax; Phase thickness: 0.5 um; Data type: Kovats RI; Authors: Heberger, K.; Gorgenyi, M., Principal component analysis of Kovats indices for carbonyl compounds in capillary gas chromatography, J. Chromatogr., 845, 1999, 21-31.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      742 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 97961; Active phase: HP-1; Data type: Normal alkane RI; Authors: Junkes, B.S.; Amboni, R.D.M.C.; Yunes, R.A.; Heinzen, V.E.F., Application of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity, J. Braz. Chem. Soc., 15(2), 2004, 183-189., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 97961; Active phase: Polydimethyl siloxane; Data type: Normal alkane RI; Authors: Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2(1), 2003, 33-49.) NIST Spectra nist ri
      773 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Capillary; Start T: 120 C; CAS no: 97961; Active phase: SE-30; Data type: Normal alkane RI; Authors: Grobler, A.; Balizs, G., Investigations on mixed gas chromatographic stationary phases. Part 3: A generalized approximation of retention indices for polar-nonpoalar stationary phase mixtures, J. Chromatogr. Sci., 19, 1981, 46-51.) NIST Spectra nist ri
      765.8 (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: 5 K/min; Start T: 50 C; End T: 280 C; End time: 10 min; Start time: 0.5 min; CAS no: 97961; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guillen, M.D.; Manzanos, M.J., Study of the volatile composition of an aqueous oak smoke preparation, Food Chem., 79, 2002, 283-292.) NIST Spectra nist ri
      753.8 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; CAS no: 97961; Active phase: RTX-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Wentworth, W.E.; Helias, N.; Zlatkis, A.; Chen, E.C.M.; Stearns, S.D., Multiple detector responses for gas chromatography peak identification, J. Chromatogr. A, 795, 1998, 319-347.) NIST Spectra nist ri
      762 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 40 m; Column type: Capillary; Description: 30 0C (1 min) ^ 15 0C/min -> 45 0C ^ 3 0C/min -> 120 0C; CAS no: 97961; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Weller, J.-P.; Wolf, M., Massenspektroskopie und Headspace-GC, Beitr. Gerichtl. Med., 47, 1989, 525-532.) NIST Spectra nist ri
      1018 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 97961; Active phase: Innowax; Data type: Normal alkane RI; Authors: Junkes, B.S.; Amboni, R.D.M.C.; Yunes, R.A.; Heinzen, V.E.F., Application of the semi-empirical topological index in quantitative structure-chromatographic retention relationship (QSRR) studies of aliphatic ketones and aldehydes on stationary phases of different polarity, J. Braz. Chem. Soc., 15(2), 2004, 183-189.) NIST Spectra nist ri
    • Retention Index (Linear):

      1004 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(8min) =>4C/min =>60C =>6C/min =>160C=>20C/min =>200C(1min); CAS no: 97961; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 39, 2007, 563-572.) NIST Spectra nist ri
      1007 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C(1min) =>10C/min =>120C =>15C/min =>200C (1min); CAS no: 97961; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 39, 2007, 563-572.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 118.1±8.0 °C at 760 mmHg
Vapour Pressure: 16.9±0.2 mmHg at 25°C
Enthalpy of Vaporization: 35.6±3.0 kJ/mol
Flash Point: 21.1±0.0 °C
Index of Refraction: 1.394
Molar Refractivity: 30.0±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 1.78
ACD/LogD (pH 5.5): 1.69
ACD/BCF (pH 5.5): 11.42
ACD/KOC (pH 5.5): 198.95
ACD/LogD (pH 7.4): 1.69
ACD/BCF (pH 7.4): 11.42
ACD/KOC (pH 7.4): 198.95
Polar Surface Area: 17 Å2
Polarizability: 11.9±0.5 10-24cm3
Surface Tension: 24.0±3.0 dyne/cm
Molar Volume: 125.3±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) =  1.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  118.30  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -66.68  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  16.9  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  117-119 @ 160 mm Hg deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3930
       log Kow used: 1.73 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  12915 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.11E-004  atm-m3/mole
   Group Method:   3.70E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  5.667E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.73  (KowWin est)
  Log Kaw used:  -2.064  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.794
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9845
   Biowin2 (Non-Linear Model)     :   0.9998
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0001  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8999  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8745
   Biowin6 (MITI Non-Linear Model):   0.9599
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6856
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.11E+003 Pa (15.8 mm Hg)
  Log Koa (Koawin est  ): 3.794
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.42E-009 
       Octanol/air (Koa) model:  1.53E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.14E-008 
       Mackay model           :  1.14E-007 
       Octanol/air (Koa) model:  1.22E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.5810 E-12 cm3/molecule-sec
      Half-Life =     0.350 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.197 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 8.27E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.95
      Log Koc:  1.203 

 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 = 0.628 (BCF = 4.249)
       log Kow used: 1.73 (estimated)

 Volatilization from Water:
    Henry LC:  0.00037 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.605  hours
    Half-Life from Model Lake :      112.3  hours   (4.681 days)

 Removal In Wastewater Treatment:
    Total removal:              16.18  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     1.74  percent
    Total to Air:               14.36  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.61            8.4          1000       
   Water     42.1            360          1000       
   Soil      54.1            720          1000       
   Sediment  0.116           3.24e+003    0          
     Persistence Time: 196 hr




                    

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