ChemSpider 2D Image | Propyl-2-methylbutyrate | C8H16O2

Propyl-2-methylbutyrate

  • Molecular FormulaC8H16O2
  • Average mass144.211 Da
  • Monoisotopic mass144.115036 Da
  • ChemSpider ID142469

More details:






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

253-329-9 [EINECS]
2-Méthylbutanoate de propyle [French] [ACD/IUPAC Name]
37064-20-3 [RN]
Butanoic acid, 2-methyl-, propyl ester [ACD/Index Name]
MFCD00085211 [MDL number]
Propyl 2-methylbutanoate [ACD/IUPAC Name]
Propyl-2-methylbutanoat [German] [ACD/IUPAC Name]
Propyl-2-methylbutyrate
[37064-20-3]
148967-45-7 [RN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

AI3-33621 [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      920 (estimated with error: 47) NIST Spectra mainlib_250013, replib_285530
      936 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 210 C; Start time: 4 min; CAS no: 37064203; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Takeoka, G.R.; Buttery, R.G.; Flath, R.A., Volatile constituents of Asian pear (Pyrus serotina), J. Agric. Food Chem., 40, 1992, 1925-1929., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 210 C; Start time: 4 min; CAS no: 37064203; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Takeoka, G.R.; Flath, R.A.; Mon, T.R.; Teranishi, R.; Guentert, M., Volatile Constituents of Apricot (Prunus armeniaca), J. Agric. Food Chem., 38(2), 1990, 471-477.) NIST Spectra nist ri
      954 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.21 mm; Column length: 50 m; Column type: Capillary; Description: 50C (10min) => 2C/min => 75C =>3C/min => 150C =>5C/min => 200C; CAS no: 37064203; Active phase: SE-54; Data type: Kovats RI; Authors: Janzanntti, N.S.; Franco, M.R.B.; Lancas, F.M., Identificacao de compostos volateis de macas (Malus domestica) cultivar fuji, por cromatografia gasosa-espectrometria de massas, Cienc. Tecnol. Aliment., 20(2), 2000, 164-171.) NIST Spectra nist ri
      1150 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C (10min) => 3C/min => 100C => 5C/min => 220C; CAS no: 37064203; Active phase: Carbowax; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Rowan, D.D.; Lane, H.P.; Allen, J.M.; Fielder, S.; Hunt, M.B., Biosynthesis of 2-methylbutyl, 2-methyl-2-butenyl, and 2-methylbutanoate esters in Red Delicious and Granny Smith apples using deuterium-labeled substrates, J. Agric. Food Chem., 44, 1996, 3276-3285.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      929.2 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 65 C; End T: 280 C; End time: 30 min; Start time: 10 min; CAS no: 37064203; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: Joulain, D.; Casazza, A.; Laurent, R.; Portier, D.; Guillamon, N.; Pandya, R.; Le, M.; Viljoen, A., Volatile flavor constituents of fruits from Southern Africa: mobola plum (Parinari curatellifolia), J. Agric. Food Chem., 52, 2004, 2322-2325.) NIST Spectra nist ri
      933 (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: 37064203; Active phase: LM-5; Carrier gas: Helium; Data type: Normal alkane RI; Authors: Janzanntti, N.S.; Franco, M.R.B.; Lancas, F.M., Identificacao de compostos volateis de macas (Malus domestica) cultivar fuji, por chromatoghrafia gasosa-espectrometria de massas, 2007., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 100 C; End T: 220 C; Start time: 1 min; CAS no: 37064203; Active phase: OV-101; Carrier gas: He; Phase thickness: 1 um; Data type: Normal alkane RI; Authors: Camciuc, M.; Bessiere, J.M.; Vilarem, G.; Gaset, A., Volatile components in okra seed coat, Phytochemistry, 48(2), 1998, 311-315., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.28 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 37064203; Active phase: OV-101; Data type: Normal alkane RI; Authors: Anker, L.S.; Jurs, P.C.; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. Chem., 62, 1990, 2676-2684., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 37064203; Active phase: SE-30; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      937 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column type: Packed; Start T: 70 C; CAS no: 37064203; Active phase: SE-30; Data type: Normal alkane RI; Authors: Yabumoto, K.; Jennings, W.G.; Yamaguchi, M., Gas chromatographic retention as identification criteria, Anal. Biochem., 78, 1977, 244-251.) NIST Spectra nist ri
      954 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (10 min) ^ 2 oC/min -> 75 0C ^ 3 0C/min -> 150 0C ^ 5 0C/min -> 200 0C; CAS no: 37064203; Active phase: LM-5; Carrier gas: Helium; Data type: Normal alkane RI; Authors: Janzanntti, N.S.; Franco, M.R.B.; Lancas, F.M., Identificacao de compostos volateis de macas (Malus domestica) cultivar fuji, por chromatoghrafia gasosa-espectrometria de massas, 2007.) NIST Spectra nist ri
      1125 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; Description: 35 0C (1 min) ^ 2.9 0C/min -> 100 0C ^ 8 0C/min -> 200 0C (5 min); CAS no: 37064203; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Rowan, D.D.; Hunt, M.B.; Alspach, P.A.; Whitworth, C.J.; Oraguzie, N.C., Heriability and genetic and phenotypic correlations of apple (Malus x domestica) fruit volatiles in a genetically diverse breeding population, J. Agric. Food Chem., 57(17), 2009, 7944-7952., Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; Description: 35 0C (1 min) ^ 2/9 0C/min -> 100 0C ^ 8 0C/min -> 200 0C (5 min); CAS no: 37064203; Active phase: DB-Wax; Carrier gas: Helium; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Rowan, D.D.; Hunt, M.B.; Dimouro A.; Alspach P.A.; Weskett R.; Volz, R.K.; Gardiner, S.E.; Chagne, D., Profiling fruit volatiles in the progeny of a "Royal Gala" x "Granny Smith" apple (Malus x domestica) cross, J. Agr. Food Chem., 57, 2009, 7953-7961.) NIST Spectra nist ri
      1094 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.1 mm; Column length: 10 m; Column type: Capillary; Heat rate: 50 K/min; Start T: 40 C; End T: 240 C; End time: 2 min; Start time: 1.5 min; CAS no: 37064203; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.1 um; Data type: Normal alkane RI; Authors: Chin, S.T.; Nazimah, S.A.H.; Quek, S.Y.; Che Man, Y.B.; Rahman, R.A.; Hashim, D.M., Analysis of volatile compounds from Malaysian durians (Durio zibethinus) using headspace SPME coupled to fast GC-MS, J. Food Comp. Anal., 20, 2007, 31-44.) NIST Spectra nist ri
      1134 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.2 mm; Column length: 80 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 170 C; CAS no: 37064203; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Anker, L.S.; Jurs, P.C.; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. Chem., 62, 1990, 2676-2684., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 37064203; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004.) NIST Spectra nist ri
      1151 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 220 C; End time: 10 min; Start time: 10 min; CAS no: 37064203; Active phase: Innowax; Carrier gas: He; Data type: Normal alkane RI; Authors: Suleimenov, E.M.; Atazharova, G.A.; Demirchi, B.; Baser, K.H.C.; Adekenov, S.M., Essential oil composition of Artemisia Lercheana and A. Sieversiana of Kazakhstan flora, in Recent problems of development of new medicines of natural origin, Proceedings of symposium, St.Petersburg - Pushkin, 2003, 382-385.) NIST Spectra nist ri
      1141 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column type: Packed; Start T: 100 C; CAS no: 37064203; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Yabumoto, K.; Jennings, W.G.; Yamaguchi, M., Gas chromatographic retention as identification criteria, Anal. Biochem., 78, 1977, 244-251.) NIST Spectra nist ri
    • Retention Index (Linear):

      947 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column type: Capillary; CAS no: 37064203; Active phase: RTX-5; Data type: Linear RI; Authors: Fuhrmann, E.; Grosch, W., Character impact odorants of the apple cultivars Elstar and Cox Orange, Nahrung/Food, 46(3), 2002, 187-193.) NIST Spectra nist ri
      954 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 35C(2min) =>5C/min => 170C =>20C/min =>240C (10min); CAS no: 37064203; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Fuhrmann, E.; Grosch, W., Character impact odorants of the apple cultivars Elstar and Cox Orange, Nahrung/Food, 46(3), 2002, 187-193.) NIST Spectra nist ri
      943 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C (1min) =>5C/min => 100C => 10C/min => 250C (9min); CAS no: 37064203; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Beaulieu, J.C.; Grimm, C.C., Identification of volatile compounds in cantaloupe at various developmental stages using solid phase microextraction, J. Agric. Food Chem., 49, 2001, 1345-1352.) NIST Spectra nist ri
      946 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C (2min) => 40C/min => 50C (2min) => 6C/min => 180C=> 10C/min => 240C; CAS no: 37064203; Active phase: CP Sil 8 CB; Carrier gas: He; Data type: Linear RI; Authors: Steinhaus, M.; Schieberle, P., Comparison of the most odor-active compounds in fresh and dried hop cones (Humulus lupulus L. variety Spalter Select) based on GC-olfactometry and odor dilution techniques, J. Agric. Food Chem., 48, 2000, 1776-1783.) NIST Spectra nist ri
      1136 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 35 C; End T: 220 C; End time: 10 min; Start time: 5 min; CAS no: 37064203; Active phase: ZB-Wax; Carrier gas: He; Phase thickness: 0.15 um; Data type: Linear RI; Authors: Ledauphin, J.; Saint-Clair, J.-F.; Lablanquie, O.; Guichard, H.; Founier, N.; Guichard, E.; Barillier, D., Identification of trace volatile compounds in freshly distilled calvados and cognac using preparative separations coupled with gas chromatography-mass spectrometry, J. Agric. Food Chem., 52, 2004, 5124-5134.) NIST Spectra nist ri
      1132 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Description: 35C (2min) => 40C/min => 60C (2min) => 6C/min => 180C=> 10C/min => 240C; CAS no: 37064203; Active phase: FFAP; Carrier gas: He; Data type: Linear RI; Authors: Steinhaus, M.; Schieberle, P., Comparison of the most odor-active compounds in fresh and dried hop cones (Humulus lupulus L. variety Spalter Select) based on GC-olfactometry and odor dilution techniques, J. Agric. Food Chem., 48, 2000, 1776-1783.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 156.3±8.0 °C at 760 mmHg
Vapour Pressure: 2.9±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.3±3.0 kJ/mol
Flash Point: 46.7±8.3 °C
Index of Refraction: 1.411
Molar Refractivity: 40.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.65
ACD/LogD (pH 5.5): 2.42
ACD/BCF (pH 5.5): 40.51
ACD/KOC (pH 5.5): 492.37
ACD/LogD (pH 7.4): 2.42
ACD/BCF (pH 7.4): 40.51
ACD/KOC (pH 7.4): 492.37
Polar Surface Area: 26 Å2
Polarizability: 16.2±0.5 10-24cm3
Surface Tension: 26.3±3.0 dyne/cm
Molar Volume: 164.4±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) =  2.76

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  157.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -43.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.88  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  356.7
       log Kow used: 2.76 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  759.6 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.23E-004  atm-m3/mole
   Group Method:   9.74E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.532E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.76  (KowWin est)
  Log Kaw used:  -1.529  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.289
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8531
   Biowin2 (Non-Linear Model)     :   0.9936
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0207  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8686  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7256
   Biowin6 (MITI Non-Linear Model):   0.8865
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6813
 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):  351 Pa (2.63 mm Hg)
  Log Koa (Koawin est  ): 4.289
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.56E-009 
       Octanol/air (Koa) model:  4.78E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.09E-007 
       Mackay model           :  6.84E-007 
       Octanol/air (Koa) model:  3.82E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   5.3773 E-12 cm3/molecule-sec
      Half-Life =     1.989 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    23.869 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.97E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  66.63
      Log Koc:  1.824 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.233E-002  L/mol-sec
  Kb Half-Life at pH 8:       1.782  years  
  Kb Half-Life at pH 7:      17.815  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.421 (BCF = 26.39)
       log Kow used: 2.76 (estimated)

 Volatilization from Water:
    Henry LC:  0.000974 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.947  hours
    Half-Life from Model Lake :      121.9  hours   (5.081 days)

 Removal In Wastewater Treatment:
    Total removal:              31.55  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     3.28  percent
    Total to Air:               28.18  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       8.37            47.7         1000       
   Water     23.7            360          1000       
   Soil      67.6            720          1000       
   Sediment  0.257           3.24e+003    0          
     Persistence Time: 294 hr




                    

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