2-Methyl-3-heptanone C8H16O structure

Flashcard maker : Malcolm Bright

Molecular FormulaC8H16O
Average mass128.212 Da
Density0.8±0.1 g/cm3
Boiling Point159.2±3.0 °C at 760 mmHg
Flash Point43.3±0.0 °C
Molar Refractivity39.1±0.3 cm3
Polarizability15.5±0.5 10-24cm3
Surface Tension24.8±3.0 dyne/cm
Molar Volume158.1±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      158-160 °C Food and Agriculture Organization of the United Nations 2-Methylheptan-3-one
      158 °C (Oil) FooDB FDB009837
    • Experimental Flash Point:

      43 °C LabNetwork LN00241042
    • Experimental Refraction Index:

      1.408-1.413 Food and Agriculture Organization of the United Nations 2-Methylheptan-3-one
  • Miscellaneous
    • Appearance:

      Colourless to pale yellow liquid Food and Agriculture Organization of the United Nations 2-Methylheptan-3-one
  • Gas Chromatography
    • Retention Index (Kovats):

      888 (estimated with error: 57) NIST Spectra mainlib_231895, replib_63307, replib_195023
      918 (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: 13019200; 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
      919 (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: 13019200; 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
      920 (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: 13019200; 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
      922 (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: 13019200; 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
      1178.7 (Program type: Isothermal; Col… (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Start T: 50 C; CAS no: 13019200; 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
      1185 (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: 13019200; 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
      1191 (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: 13019200; 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
      1197.5 (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: 13019200; 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):

      918 (Program type: Ramp; Column cl… (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 13019200; 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: 13019200; 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
      1179 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column type: Capillary; CAS no: 13019200; 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):

      1164 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 175 C; End time: 20 min; Start time: 5 min; CAS no: 13019200; Active phase: Supelcowax-10; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tanchotikul, U.; Hsieh, T.C.-Y., Volatile Flavor Components in Crayfish Waste, J. Food Sci., 54(6), 1989, 1515-1520.) NIST Spectra nist ri
      1170 (Program type: Ramp; Column cl… (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 175 C; End time: 20 min; Start time: 5 min; CAS no: 13019200; Active phase: Supelcowax-10; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tanchotikul, U.; Hsieh, T.C.-Y., Volatile Flavor Components in Crayfish Waste, J. Food Sci., 54(6), 1989, 1515-1520.) 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: 159.2±3.0 °C at 760 mmHg
Vapour Pressure: 2.5±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.6±3.0 kJ/mol
Flash Point: 43.3±0.0 °C
Index of Refraction: 1.409
Molar Refractivity: 39.1±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 2.32
ACD/LogD (pH 5.5): 2.20
ACD/BCF (pH 5.5): 27.50
ACD/KOC (pH 5.5): 373.19
ACD/LogD (pH 7.4): 2.20
ACD/BCF (pH 7.4): 27.50
ACD/KOC (pH 7.4): 373.19
Polar Surface Area: 17 Å2
Polarizability: 15.5±0.5 10-24cm3
Surface Tension: 24.8±3.0 dyne/cm
Molar Volume: 158.1±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) = 2.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 150.47 (Adapted Stein & Brown method)
 Melting Pt (deg C): -42.06 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.6 (Mean VP of Antoine & Grain methods)
 BP (exp database): 158 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1371
 log Kow used: 2.15 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 2043.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.04E-004 atm-m3/mole
 Group Method: 3.46E-004 atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]: 4.430E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.15 (KowWin est)
 Log Kaw used: -2.079 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 4.229
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.8018
 Biowin2 (Non-Linear Model) : 0.9295
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.1917 (weeks )
 Biowin4 (Primary Survey Model) : 3.9096 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5472
 Biowin6 (MITI Non-Linear Model): 0.7119
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.2001
 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): 439 Pa (3.29 mm Hg)
 Log Koa (Koawin est ): 4.229
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 6.84E-009 
 Octanol/air (Koa) model: 4.16E-009 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.47E-007 
 Mackay model : 5.47E-007 
 Octanol/air (Koa) model: 3.33E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 9.1739 E-12 cm3/molecule-sec
 Half-Life = 1.166 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 13.991 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 3.97E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 39.7
 Log Koc: 1.599 

 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 = 0.953 (BCF = 8.978)
 log Kow used: 2.15 (estimated)

 Volatilization from Water:
 Henry LC: 0.000346 atm-m3/mole (estimated by Group SAR Method)
 Half-Life from Model River: 3.072 hours
 Half-Life from Model Lake : 128.5 hours (5.352 days)

 Removal In Wastewater Treatment:
 Total removal: 15.74 percent
 Total biodegradation: 0.09 percent
 Total sludge adsorption: 2.07 percent
 Total to Air: 13.58 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 6.37 28 1000 
 Water 30.6 360 1000 
 Soil 62.9 720 1000 
 Sediment 0.129 3.24e+003 0 
 Persistence Time: 269 hr




 

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