ChemSpider 2D Image | Benzyl 2-methylbutanoate | C12H16O2

Benzyl 2-methylbutanoate

  • Molecular FormulaC12H16O2
  • Average mass192.254 Da
  • Monoisotopic mass192.115036 Da
  • ChemSpider ID82934

More details:






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

260-169-3 [EINECS]
2-Méthylbutanoate de benzyle [French] [ACD/IUPAC Name]
Benzyl 2-methylbutanoate [ACD/IUPAC Name]
Benzyl D-2-methylbutyrate
Benzyl-2-methylbutanoat [German] [ACD/IUPAC Name]
Butanoic acid, 2-methyl-, phenylmethyl ester [ACD/Index Name]
56423-40-6 [RN]
57967-74-5 [RN]
benzyl 2-methylbutyrate
BENZYL-2-METHYLBUTANOATE
More...
  • Gas Chromatography
    • Retention Index (Kovats):

      1394 (estimated with error: 47) NIST Spectra mainlib_372914, replib_67828
      1392 (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: 3 K/min; Start T: 50 C; End T: 250 C; End time: 5 min; Start time: 10 min; CAS no: 56423406; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Asuming, W.A.; Beauchamp, P.S.; Descalzo, J.T.; Dev, B.C.; Dev, V.; Frost, S.; Ma, C.W., Essential oil composition of four Lomatium Raf. species and their chemotaxonomy, Biochem. Syst. Ecol., 33, 2005, 17-26.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      1357 (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: 56423406; Active phase: DB-1; Data type: Normal alkane RI; Authors: Flath, R.A.; Mon, T.R.; Lorenz, G.; Whitten, C.J.; Mackley, J.W., Volatile components of Acacia sp. blossoms, J. Agric. Food Chem., 31, 1983, 1167-1170.) NIST Spectra nist ri
      1880 (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: 56423406; Active phase: HP-Innowax FSC; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Tabanca, N.; Demirci, B.; Kirimer, N.; Baser, K.H.C.; Bedir, E.; Khand, I.A.; Wedge, D.E., Gas chromatographic-mass spectrometric analysis of essential oils from Pimpinella aurea, Pimpinella corymbosa, Pimpinella peregrina and Pimpinella puberula gathered from Eastern and Southern Turkey, J. Chromatogr. A, 1097, 2005, 192-198., 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: 56423406; Active phase: HP-Innowax FSC; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kaya, A.; Demirci, B.; Baser, K.H.C., The essential oil of Seseli tortuosum L. growing in Turkey, Flavour Fragr. J., 18, 2003, 159-161., 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: 56423406; 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

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

Density: 1.0±0.1 g/cm3
Boiling Point: 254.0±9.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.5 mmHg at 25°C
Enthalpy of Vaporization: 49.1±3.0 kJ/mol
Flash Point: 98.9±17.1 °C
Index of Refraction: 1.495
Molar Refractivity: 56.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 3.34
ACD/LogD (pH 5.5): 3.28
ACD/BCF (pH 5.5): 182.79
ACD/KOC (pH 5.5): 1447.84
ACD/LogD (pH 7.4): 3.28
ACD/BCF (pH 7.4): 182.79
ACD/KOC (pH 7.4): 1447.84
Polar Surface Area: 26 Å2
Polarizability: 22.2±0.5 10-24cm3
Surface Tension: 34.3±3.0 dyne/cm
Molar Volume: 192.1±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) =  3.48

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  258.98  (Adapted Stein & Brown method)
    Melting Pt (deg C):  21.57  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0168  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  51.02
       log Kow used: 3.48 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  44.104 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.31E-005  atm-m3/mole
   Group Method:   6.58E-006  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.330E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.48  (KowWin est)
  Log Kaw used:  -2.869  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.349
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9583
   Biowin2 (Non-Linear Model)     :   0.9979
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9365  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8042  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4689
   Biowin6 (MITI Non-Linear Model):   0.5662
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4426
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.23 Pa (0.0167 mm Hg)
  Log Koa (Koawin est  ): 6.349
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.35E-006 
       Octanol/air (Koa) model:  5.48E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.87E-005 
       Mackay model           :  0.000108 
       Octanol/air (Koa) model:  4.39E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   8.5626 E-12 cm3/molecule-sec
      Half-Life =     1.249 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    14.990 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 7.82E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  787.8
      Log Koc:  2.896 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.865E-002  L/mol-sec
  Kb Half-Life at pH 8:     164.885  days   
  Kb Half-Life at pH 7:       4.514  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.980 (BCF = 95.53)
       log Kow used: 3.48 (estimated)

 Volatilization from Water:
    Henry LC:  6.58E-006 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      124.8  hours   (5.2 days)
    Half-Life from Model Lake :       1478  hours   (61.57 days)

 Removal In Wastewater Treatment:
    Total removal:              12.89  percent
    Total biodegradation:        0.18  percent
    Total sludge adsorption:    12.38  percent
    Total to Air:                0.33  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.11            30           1000       
   Water     24              360          1000       
   Soil      72.9            720          1000       
   Sediment  1.02            3.24e+003    0          
     Persistence Time: 475 hr




                    

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