ChemSpider 2D Image | Ethyl 2-methyl-2-butenoate | C7H12O2

Ethyl 2-methyl-2-butenoate

  • Molecular FormulaC7H12O2
  • Average mass128.169 Da
  • Monoisotopic mass128.083725 Da
  • ChemSpider ID97403

More details:

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

259-688-8 [EINECS]
2-Butenoic acid, 2-methyl-, ethyl ester [ACD/Index Name]
2-Méthyl-2-buténoate d'éthyle [French] [ACD/IUPAC Name]
55514-48-2 [RN]
Ethyl 2-methyl-2-butenoate [ACD/IUPAC Name]
Ethyl 2-methylbut-2-enoate
Ethyl-2-methyl-2-butenoat [German] [ACD/IUPAC Name]
16509-44-7 [RN]
5837-78-5 [RN]
angelic acid ethyl ester
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  • Gas Chromatography

    • Retention Index (Kovats):

      1229 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 0C (8 min) ^ 4 K/min -> 110 0C ^ 16 K/min -> 200 0C; CAS no: 55514482; Active phase: Carbowax 20M; Carrier gas: H2; Data type: Kovats RI; Authors: Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.A.P.; Janzantti, N.S.; Alves, G.L., Compostos volateis do sabor de pseudofrutos de cajueiro anao precoce (Anacardium occidentale L.) CCP-76, Boletim de Pesquisa e Desenvolvimento 4, Empresa Brasileira de Pesquisa Agropecuaria, Fortaleza, Brazil, 2001, 29.) NIST Spectra nist ri

    • Retention Index (Normal Alkane):

      921 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.762 mm; Column length: 600 ft; Column type: Capillary; Heat rate: 1 K/min; Start T: 0 C; End T: 230 C; CAS no: 55514482; Active phase: OV-1; Carrier gas: N2; Data type: Normal alkane RI; Authors: Schreyen, L.; Dirinck, P.; Sandra, P.; Schamp, N., Flavor analysis of quince, J. Agric. Food Chem., 27(4), 1979, 872-876.) NIST Spectra nist ri
      926 (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: 55514482; 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
      948 (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: 40 C; End T: 280 C; End time: 10 min; Start time: 10 min; CAS no: 55514482; Active phase: HP-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Bicalho, B.; Pereira, A.S.; Aquino Neto, F.R.; Pinto, A.C.; Rezende, C.M., Application of high-temperature gas chromatography-mass spectrometry to the investigation of glycosidically bound components related to cashew applie (Anacardium occidentale L. Var. nanum) volatiles, J. Agric. Food Chem., 48, 2000, 1167-1174.) NIST Spectra nist ri
      1229 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(8min) => 4C/min =>110C =>16C/min =>200C; CAS no: 55514482; Active phase: PEG-20M; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Garruti, D.S.; Franco, M.R.B.; da Silva, M.A.A.P.; Janzantti, N.S.; Alves, G.L., Evaluation of volatile flavour compounds from cashew apple (Anacardium occidentale L) juice by the Osme gas chromatography/olfactometry technique, J. Sci. Food Agric., 83, 2003, 1455-1462.) NIST Spectra nist ri

    • Retention Index (Linear):

      1223 (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: 55514482; 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

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

Density: 0.9±0.1 g/cm3
Boiling Point: 148.2±9.0 °C at 760 mmHg
Vapour Pressure: 4.3±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.5±3.0 kJ/mol
Flash Point: 44.4±0.0 °C
Index of Refraction: 1.426
Molar Refractivity: 36.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.40
ACD/LogD (pH 5.5): 2.36
ACD/BCF (pH 5.5): 36.81
ACD/KOC (pH 5.5): 459.72
ACD/LogD (pH 7.4): 2.36
ACD/BCF (pH 7.4): 36.81
ACD/KOC (pH 7.4): 459.72
Polar Surface Area: 26 Å2
Polarizability: 14.3±0.5 10-24cm3
Surface Tension: 26.1±3.0 dyne/cm
Molar Volume: 141.0±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) =  2.18

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  149.15  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -53.90  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.03  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  156 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1289
       log Kow used: 2.18 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5043.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.01E-004  atm-m3/mole
   Group Method:   3.88E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  3.964E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.18  (KowWin est)
  Log Kaw used:  -1.910  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.090
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8607
   Biowin2 (Non-Linear Model)     :   0.9949
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0561  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8918  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7314
   Biowin6 (MITI Non-Linear Model):   0.8567
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7217
 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):  368 Pa (2.76 mm Hg)
  Log Koa (Koawin est  ): 4.090
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.15E-009 
       Octanol/air (Koa) model:  3.02E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.94E-007 
       Mackay model           :  6.52E-007 
       Octanol/air (Koa) model:  2.42E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  32.3487 E-12 cm3/molecule-sec
      Half-Life =     0.331 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.968 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 4.73E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  36.12
      Log Koc:  1.558 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.954E-003  L/mol-sec
  Kb Half-Life at pH 8:      11.238  years  
  Kb Half-Life at pH 7:     112.381  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.978 (BCF = 9.497)
       log Kow used: 2.18 (estimated)

 Volatilization from Water:
    Henry LC:  0.000388 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.864  hours
    Half-Life from Model Lake :      126.2  hours   (5.257 days)

 Removal In Wastewater Treatment:
    Total removal:              17.00  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.09  percent
    Total to Air:               14.83  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.861           2.53         1000       
   Water     32.2            360          1000       
   Soil      66.8            720          1000       
   Sediment  0.141           3.24e+003    0          
     Persistence Time: 248 hr

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