ChemSpider 2D Image | Amyl 2-methylbutyrate | C10H20O2

Amyl 2-methylbutyrate

  • Molecular FormulaC10H20O2
  • Average mass172.265 Da
  • Monoisotopic mass172.146332 Da
  • ChemSpider ID96335

More details:






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

268-244-2 [EINECS]
2-Méthylbutanoate de pentyle [French] [ACD/IUPAC Name]
Amyl 2-methylbutyrate
Butanoic acid, 2-methyl-, pentyl ester [ACD/Index Name]
n-Amyl 2-methylbutyrate
Pentyl 2-methylbutanoate [ACD/IUPAC Name]
Pentyl-2-methylbutanoat [German] [ACD/IUPAC Name]
144810-16-2 [RN]
68039-26-9 [RN]
Amyl-2-Methylbutyrate
More...
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      1118 (estimated with error: 47) NIST Spectra mainlib_372891, replib_284973, replib_250015
      1123 (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: 68039269; 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
      1126 (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: 68039269; 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
      1124 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 68039269; Active phase: SE-30; Carrier gas: N2; Substrate: Chromosorb W AW (60-80 mesh); Data type: Kovats RI; Authors: Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D., Analyse chromatographique d'esters aliphatiques satures. Relations retention-structure et prevision de la retention, Bull. Soc. Chim. Fr., , 1974, 1852-1856.) NIST Spectra nist ri
      1156 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.21 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 68039269; 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
      1174 (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: 68039269; 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
      1332 (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: 68039269; 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
      1325 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 3 m; Column type: Packed; Start T: 100 C; CAS no: 68039269; Active phase: Carbowax 20M; Substrate: Chromosorb WAW (60-80 mesh); Data type: Kovats RI; Authors: Chastrette, M.; Heintz, M.; Druilhe, A.; Lefort, D., Analyse chromatographique d'esters aliphatiques satures. Relations retention-structure et prevision de la retention, Bull. Soc. Chim. Fr., , 1974, 1852-1856.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1126 (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: 68039269; 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: 0.28 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 68039269; 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: 68039269; 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
      1121 (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: 68039269; 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.) NIST Spectra nist ri
      1142 (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: 4 K/min; Start T: 50 C; End T: 230 C; End time: 10 min; Start time: 4 min; CAS no: 68039269; Active phase: HP-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Forero, M.D.; Quijano, C.E.; Pino, J.A., Volatile compounds of Chile pepper (Capsicum annuum L. var. glabriusculum) at two ripening stages, Flavour Fragr. J., 24, 2008, 25-30., 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: 4 K/min; Start T: 50 C; End T: 280 C; End time: 10 min; Start time: 2 min; CAS no: 68039269; Active phase: HP-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Pino, J.; Sauri-Duch, E.; Marbot, R., Changes in volatile compounds of Habanero chile pepper (Capsicum chinense Jack. cv. Habanero) at two ripening stages, Food Chem., 94, 2006, 394-398.) NIST Spectra nist ri
      1156 (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: 68039269; 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
      1174 (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: 68039269; 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
      1316 (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: 68039269; 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
      1324 (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: 68039269; 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: 68039269; 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
      1327 (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: 200 C; Start time: 2 min; CAS no: 68039269; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Umano, K.; Hagi, Y.; Nakahara, K.; Shoji, A.; Shibamoto, T., Volatile chemicals identified in extracts from leaves of Japanese mugwort (Artemisia princeps Pamp.), J. Agric. Food Chem., 48, 2000, 3463-3469.) 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: 195.7±8.0 °C at 760 mmHg
Vapour Pressure: 0.4±0.4 mmHg at 25°C
Enthalpy of Vaporization: 43.2±3.0 kJ/mol
Flash Point: 71.4±8.3 °C
Index of Refraction: 1.421
Molar Refractivity: 50.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 7
#Rule of 5 Violations: 0
ACD/LogP: 3.71
ACD/LogD (pH 5.5): 3.60
ACD/BCF (pH 5.5): 320.82
ACD/KOC (pH 5.5): 2165.64
ACD/LogD (pH 7.4): 3.60
ACD/BCF (pH 7.4): 320.82
ACD/KOC (pH 7.4): 2165.64
Polar Surface Area: 26 Å2
Polarizability: 19.9±0.5 10-24cm3
Surface Tension: 27.5±3.0 dyne/cm
Molar Volume: 197.5±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) =  3.74

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  198.83  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -20.47  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.382  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  38.59
       log Kow used: 3.74 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  76.515 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.27E-003  atm-m3/mole
   Group Method:   1.94E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.244E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.74  (KowWin est)
  Log Kaw used:  -1.285  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.025
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9481
   Biowin2 (Non-Linear Model)     :   0.9985
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2570  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.0972  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7410
   Biowin6 (MITI Non-Linear Model):   0.8913
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4156
 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):  46.7 Pa (0.35 mm Hg)
  Log Koa (Koawin est  ): 5.025
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.43E-008 
       Octanol/air (Koa) model:  2.6E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.32E-006 
       Mackay model           :  5.14E-006 
       Octanol/air (Koa) model:  2.08E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.2034 E-12 cm3/molecule-sec
      Half-Life =     1.304 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    15.646 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 3.73E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  226.7
      Log Koc:  2.355 

 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 = 2.178 (BCF = 150.6)
       log Kow used: 3.74 (estimated)

 Volatilization from Water:
    Henry LC:  0.00194 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.735  hours
    Half-Life from Model Lake :        129  hours   (5.374 days)

 Removal In Wastewater Treatment:
    Total removal:              52.53  percent
    Total biodegradation:        0.16  percent
    Total sludge adsorption:    15.93  percent
    Total to Air:               36.44  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.83            31.3         1000       
   Water     20.3            208          1000       
   Soil      72.9            416          1000       
   Sediment  0.972           1.87e+003    0          
     Persistence Time: 252 hr




                    

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