ChemSpider 2D Image | Pentan-2-yl butyrate | C9H18O2

Pentan-2-yl butyrate

  • Molecular FormulaC9H18O2
  • Average mass158.238 Da
  • Monoisotopic mass158.130676 Da
  • ChemSpider ID39430

More details:






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

1-Methylbutyl butanoate
262-226-8 [EINECS]
2-Pentanyl butyrate
2-Pentanylbutyrat [German] [ACD/IUPAC Name]
2-Pentyl butanoate
3Y1&OV3 [WLN]
60415-61-4 [RN]
Butanoic acid, 1-methylbutyl ester [ACD/Index Name]
Butyrate de 2-pentanyle [French] [ACD/IUPAC Name]
More...

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

O5709B244U [DBID]
UNII:O5709B244U [DBID]
AI3-33700 [DBID]
W389323_ALDRICH [DBID]
  • References
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      1019 (estimated with error: 47) NIST Spectra mainlib_236379, replib_282596
      1010 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 60415614; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 60415614; Active phase: SE-30; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Zarazir, D.; Chovin, P.; Guiochon, G., Identification of hydroxylic compounds and their derivatives by gas chromatography, Chromatographia, 3, 1970, 180-195.) NIST Spectra nist ri
      1012 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 140 C; CAS no: 60415614; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      1016 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 60 C; CAS no: 60415614; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      992 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 120 C; CAS no: 60415614; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      999 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.33 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 60415614; Active phase: SE-30; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      966 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Packed; Start T: 120 C; CAS no: 60415614; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192.) NIST Spectra nist ri
      973 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column type: Packed; Start T: 160 C; CAS no: 60415614; Active phase: Apiezon L; Substrate: Celite 545; Data type: Kovats RI; Authors: Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192.) NIST Spectra nist ri
      1215 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 80 C; CAS no: 60415614; Active phase: OV-351; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      1223 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 60 C; CAS no: 60415614; Active phase: OV-351; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      1230 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 100 C; CAS no: 60415614; Active phase: OV-351; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      1260 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Start T: 120 C; CAS no: 60415614; Active phase: OV-351; Carrier gas: N2; Data type: Kovats RI; Authors: Haken, J.K.; Madden, B.G.; Korhonen, I.O.O., Gas chromatography of homologous esters. XXXI. Butanoyl and monochlorobutanoyl esters of lower saturated branched chain and unsaturated alcohols on SE-30 and OV-351 capillary columns, J. Chromatogr., 325, 1985, 61-73.) NIST Spectra nist ri
      1225 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 2 m; Column type: Packed; Start T: 100 C; CAS no: 60415614; Active phase: Carbowax 20M; Substrate: Chromosorb W; Data type: Kovats RI; Authors: Zarazir, D.; Chovin, P.; Guiochon, G., Identification of hydroxylic compounds and their derivatives by gas chromatography, Chromatographia, 3, 1970, 180-195.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1008 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 240 C; Start time: 5 min; CAS no: 60415614; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062.) NIST Spectra nist ri
      1009 (Program type: Ramp; Column cl... (show more) ass: 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: 240 C; Start time: 3 min; CAS no: 60415614; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062.) NIST Spectra nist ri
      1012 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 240 C; Start time: 5 min; CAS no: 60415614; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062., Program type: Ramp; Column cl... (show more) ass: 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: 240 C; Start time: 3 min; CAS no: 60415614; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Shiota, H., New esteric components in the volatiles of banana fruit (Musa sapientum L.), J. Agric. Food Chem., 41(11), 1993, 2056-2062.) NIST Spectra nist ri
      1216 (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: 40 C; End T: 230 C; End time: 25 min; Start time: 5 min; CAS no: 60415614; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Strohalm, H.; Dregus, M.; Wahl, A.; Engel, K.-H., Enantioselective analysis of secondary alcohols and their esters in purple and yellow passion fruits, J. Agric. Food Chem., 55, 2007, 10339-10344.) NIST Spectra nist ri
      1217 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 60 C; End T: 220 C; CAS no: 60415614; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Werkhoff, P.; Guntert, M.; Krammer, G.; Sommer, H.; Kaulen, J., Vacuum headspace method in aroma research: flavor chemistry of yellow passion fruits, J. Agric. Food Chem., 46, 1998, 1076-1093.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 176.5±8.0 °C at 760 mmHg
Vapour Pressure: 1.1±0.3 mmHg at 25°C
Enthalpy of Vaporization: 41.3±3.0 kJ/mol
Flash Point: 59.4±8.3 °C
Index of Refraction: 1.417
Molar Refractivity: 45.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 3.18
ACD/LogD (pH 5.5): 3.05
ACD/BCF (pH 5.5): 122.60
ACD/KOC (pH 5.5): 1087.83
ACD/LogD (pH 7.4): 3.05
ACD/BCF (pH 7.4): 122.60
ACD/KOC (pH 7.4): 1087.83
Polar Surface Area: 26 Å2
Polarizability: 18.0±0.5 10-24cm3
Surface Tension: 27.0±3.0 dyne/cm
Molar Volume: 181.0±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) =  3.25

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  178.41  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -32.06  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.04  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  117.8
       log Kow used: 3.25 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  242.04 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.60E-004  atm-m3/mole
   Group Method:   1.47E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.838E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.25  (KowWin est)
  Log Kaw used:  -1.406  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.656
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8464
   Biowin2 (Non-Linear Model)     :   0.9922
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9897  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8484  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7333
   Biowin6 (MITI Non-Linear Model):   0.8889
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7073
 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):  126 Pa (0.947 mm Hg)
  Log Koa (Koawin est  ): 4.656
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.38E-008 
       Octanol/air (Koa) model:  1.11E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  8.58E-007 
       Mackay model           :  1.9E-006 
       Octanol/air (Koa) model:  8.89E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.3866 E-12 cm3/molecule-sec
      Half-Life =     1.275 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    15.304 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.38E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  120.4
      Log Koc:  2.081 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  3.203E-002  L/mol-sec
  Kb Half-Life at pH 8:     250.428  days   
  Kb Half-Life at pH 7:       6.856  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.800 (BCF = 63.03)
       log Kow used: 3.25 (estimated)

 Volatilization from Water:
    Henry LC:  0.00147 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      1.785  hours
    Half-Life from Model Lake :      124.9  hours   (5.206 days)

 Removal In Wastewater Treatment:
    Total removal:              41.81  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     6.79  percent
    Total to Air:               34.92  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.06            30.6         1000       
   Water     19.7            360          1000       
   Soil      74.8            720          1000       
   Sediment  0.53            3.24e+003    0          
     Persistence Time: 339 hr




                    

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