ChemSpider 2D Image | 2-METHYLBUTYL ISOBUTYRATE | C9H18O2

2-METHYLBUTYL ISOBUTYRATE

  • Molecular FormulaC9H18O2
  • Average mass158.238 Da
  • Monoisotopic mass158.130676 Da
  • ChemSpider ID88356

More details:






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

219-493-0 [EINECS]
2445-69-4 [RN]
2-Methylbutyl 2-methylpropanoate [ACD/IUPAC Name]
2-Methylbutyl 2-methylpropionate
2-METHYLBUTYL ISOBUTYRATE
2-Methylbutyl-2-methylpropanoat [German] [ACD/IUPAC Name]
2-Méthylpropanoate de 2-méthylbutyle [French] [ACD/IUPAC Name]
Isobutyric acid, 2-methylbutyl ester
Propanoic acid, 2-methyl-, 2-methylbutyl ester [ACD/Index Name]
2-methylpropanoic acid 2-methylbutyl ester
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

UC67Z9233Z [DBID]
UNII:UC67Z9233Z [DBID]
AI3-06019 [DBID]
NSC53946 [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      955 (estimated with error: 47) NIST Spectra mainlib_107123, replib_5509
      1001 (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: 2445694; 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
      1002 (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: 2445694; 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
    • Retention Index (Normal Alkane):

      1002 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 36C=>20C/min=>120C(20min)=>2C/min=>250C(30min); CAS no: 2445694; Active phase: CP Sil 5 CB; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Lermusieau, G.; Bulens, M.; Collin, S., Use of GC-olfactometry to identify the hop aromatic compounds in beer, J. Agric. Food Chem., 49, 2001, 3867-3874., Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 2445694; Active phase: DB-1; Data type: Normal alkane RI; Authors: Binder, R.G.; Flath, R.A., Volatile components of pineapple guava, J. Agric. Food Chem., 37(3), 1989, 734-736., 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: 2445694; 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: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 45 C; End T: 230 C; CAS no: 2445694; Active phase: ZB-1; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctulatus), Flavour Fragr. J., 18, 2003, 510-514., 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: 45 C; End T: 230 C; CAS no: 2445694; Active phase: ZB-1; Carrier gas: Nitrogen; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mierendorff, H.-G.; Stahl-Biskup, E.; Posthumus, M.A.; van Beek, T.A., Composition of commercial Cape chamomile oil (Eriocephalus punctuatus / Eriocephalus tenuifolius), 2008., 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: 4 K/min; Start T: 50 C; End T: 250 C; End time: 5 min; Start time: 0.1 min; CAS no: 2445694; Active phase: DB-1; Data type: Normal alkane RI; Authors: Binder, R.G.; Flath, R.A., Volatile components of pineapple guava, J. Agric. Food Chem., 37(3), 1989, 734-736., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 220 C; End time: 20 min; Start time: 2 min; CAS no: 2445694; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Audino, P.G.; Alzogaray, R.A.; Vassena, C.; Masuh, H.; Fontan, A.; Gatti, P.; Martinez, A.; Camps, F.; Cork, A.; Zerba, E., Volatile compounds secreted by Brindley's glands of adult Triatoma infestans: identification and biological activity of previously unidentified compounds, Journal of Vector Ecology, 32(1), 2007, 75-82.) NIST Spectra nist ri
      991 (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: 2445694; 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.) NIST Spectra nist ri
      1014 (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: 2445694; 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.) NIST Spectra nist ri
      1015 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column type: Capillary; Description: 50C =>3C/min =>200C(10min) =>10C/min => 290C(10min); CAS no: 2445694; Active phase: HP-5; Carrier gas: He; Data type: Normal alkane RI; Authors: Splivallo, R.; Bossi, S.; Maffei, M.; Bonfante, P., Discrimination of truffle fruiting body versus mycelial aromas by stir bar sorptive extraction, Phytochemistry, 68, 2007, 2584-2598.) NIST Spectra nist ri
      1023 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 45C =>1C/min =>100C=> 5C/min =>250C (10min); CAS no: 2445694; Active phase: SE-52; Carrier gas: He; Phase thickness: 0.15 um; Data type: Normal alkane RI; Authors: Tognolini, M.; Barocelli, E.; Ballabeni, V.; Bruni, R.; Bianchi, A.; Chiavarini, M.; Impicciatore, M., Comparative screening of plant essential oils: Phenylpropanoid moiety as basic core for antiplatelet activity, Life Sciences, 78, 2006, 1419-1432.) NIST Spectra nist ri
      1021.5 (Program type: Ramp; Column cl... (show more) ass: Semi-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: 260 C; End time: 28 min; Start time: 2 min; CAS no: 2445694; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Leffingwell, J.C.; Alford, E.D., Volatile constituents of Perique tobacco, Electron. J. Environ. Agric. Food Chem., 4(2), 2005, 899-915.) NIST Spectra nist ri
      985.5 (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: 8 K/min; Start T: 40 C; End T: 250 C; End time: 10 min; Start time: 2 min; CAS no: 2445694; Active phase: ZB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Mauriello, G.; Marino, R.; D'Auria, M.; Cerone, G.; Luigi Rana, G., Determination of volatile organic compounds from Truffles via SPME-GC-MS, J. Chromatogr. Sci., 42(6), 2004, 299-305.) NIST Spectra nist ri
      1185 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column length: 30 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 220 C; End time: 20 min; Start time: 2 min; CAS no: 2445694; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.32 um; Data type: Normal alkane RI; Authors: Audino, P.G.; Alzogaray, R.A.; Vassena, C.; Masuh, H.; Fontan, A.; Gatti, P.; Martinez, A.; Camps, F.; Cork, A.; Zerba, E., Volatile compounds secreted by Brindley's glands of adult Triatoma infestans: identification and biological activity of previously unidentified compounds, Journal of Vector Ecology, 32(1), 2007, 75-82.) NIST Spectra nist ri
      1203 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 60C (10min) => 4C/min => 220C (10min) => 1C/min => 240C; CAS no: 2445694; Active phase: HP-Innowax FSC; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Demirci, B.; Baser, K.H.C.; Yildiz, B.; Bahcecioglu, Z., Composition of the essential oils of six endemic Salvia spp. from Turkey, Flavour Fragr. J., 18, 2003, 116-121., Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 60C(10min)=> 4C/min => 220C(10min) => 1C/min =>240C; CAS no: 2445694; Active phase: HP-Innowax FSC; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Viljoen, A.M.; Subramoney, S.; van Vuuren, S.F.; Baser, K.H.C.; Demirci, B., The composition, geographical variation and antimicrobial activity of Lippia javanica (Verbenaceae) leaf essential oils, J. Ethnopharmacol., 96, 2005, 271-277., 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: 2445694; 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
      1194 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 250 C; End time: 5 min; Start time: 0.1 min; CAS no: 2445694; Active phase: DB-Wax; Data type: Normal alkane RI; Authors: Binder, R.G.; Flath, R.A., Volatile components of pineapple guava, J. Agric. Food Chem., 37(3), 1989, 734-736.) NIST Spectra nist ri
      1196 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; CAS no: 2445694; Active phase: DB-Wax; Data type: Normal alkane RI; Authors: Binder, R.G.; Flath, R.A., Volatile components of pineapple guava, J. Agric. Food Chem., 37(3), 1989, 734-736.) NIST Spectra nist ri
    • Retention Index (Linear):

      989 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 280 C; Start time: 5 min; CAS no: 2445694; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Omidbaigi, R.; Sefidkon, F.; Kazemi, F., Influence of drying methods on the essential oil content and composition of Roman chamomile, Flavour Fragr. J., 19, 2004, 196-198.) NIST Spectra nist ri
      1001 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: -20C (5min) => 10C/min => 100C => 4C/min =>200C => 10C/min => 280C; CAS no: 2445694; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Eri, S.; Khoo, B.K.; Lech, J.; Hartman, T.G., Direct thermal desorption-gas chromatography and gas chromatography-mass spectrometry profiling of hop (Humulus lupulus L.) essential oils in support of varietal characterization, J. Agric. Food Chem., 48, 2000, 1140-1149.) NIST Spectra nist ri
      1014 (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: 2445694; 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
      1199 (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: 250 C; CAS no: 2445694; Active phase: CP-Wax 52CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Kourkoutas, D.; Elmore, J.S.; Mottram, D.S., Comparison of the volatile compositions and flavour properties of cantaloupe, Galia and honeydew muskmelons, Food Chem., 97, 2006, 95-102.) 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: 165.2±8.0 °C at 760 mmHg
Vapour Pressure: 1.9±0.3 mmHg at 25°C
Enthalpy of Vaporization: 40.2±3.0 kJ/mol
Flash Point: 50.5±5.4 °C
Index of Refraction: 1.415
Molar Refractivity: 45.4±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 3.00
ACD/LogD (pH 5.5): 2.70
ACD/BCF (pH 5.5): 66.84
ACD/KOC (pH 5.5): 704.63
ACD/LogD (pH 7.4): 2.70
ACD/BCF (pH 7.4): 66.84
ACD/KOC (pH 7.4): 704.63
Polar Surface Area: 26 Å2
Polarizability: 18.0±0.5 10-24cm3
Surface Tension: 26.1±3.0 dyne/cm
Molar Volume: 181.3±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) =  3.17

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  165.67  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -43.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.92  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  136.1
       log Kow used: 3.17 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  405.63 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:   1.65E-003  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  2.937E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.17  (KowWin est)
  Log Kaw used:  -1.406  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.576
      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)    :   0.5842
   Biowin6 (MITI Non-Linear Model):   0.7578
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4099
 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):  233 Pa (1.75 mm Hg)
  Log Koa (Koawin est  ): 4.576
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.29E-008 
       Octanol/air (Koa) model:  9.25E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.64E-007 
       Mackay model           :  1.03E-006 
       Octanol/air (Koa) model:  7.4E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   7.1925 E-12 cm3/molecule-sec
      Half-Life =     1.487 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    17.845 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 7.46E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  103
      Log Koc:  2.013 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.383E-002  L/mol-sec
  Kb Half-Life at pH 8:     336.653  days   
  Kb Half-Life at pH 7:       9.217  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.743 (BCF = 55.33)
       log Kow used: 3.17 (estimated)

 Volatilization from Water:
    Henry LC:  0.00165 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       1.73  hours
    Half-Life from Model Lake :      124.4  hours   (5.181 days)

 Removal In Wastewater Treatment:
    Total removal:              43.65  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     5.80  percent
    Total to Air:               37.76  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       6.18            35.7         1000       
   Water     20.7            360          1000       
   Soil      72.6            720          1000       
   Sediment  0.478           3.24e+003    0          
     Persistence Time: 320 hr




                    

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