ChemSpider 2D Image | Methyl crotonate | C5H8O2

Methyl crotonate

  • Molecular FormulaC5H8O2
  • Average mass100.116 Da
  • Monoisotopic mass100.052429 Da
  • ChemSpider ID11681

More details:

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

18707-60-3 [RN]
2-Buténoate de méthyle [French] [ACD/IUPAC Name]
2-Butenoic acid, methyl ester [ACD/Index Name]
Methyl 2-butenoate [ACD/IUPAC Name]
methyl but-2-enoate
Methyl crotonate
Methyl-2-butenoat [German] [ACD/IUPAC Name]
2-Butenoic acid methyl ester
623-43-8 [RN]
methyl 3-methylacrylate
More...

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

  • Gas Chromatography

    • Retention Index (Kovats):

      753 (Program type: Isothermal; Col... (show more) umn class: Standard non-polar; Column length: 12 ft; Column type: Packed; Start T: 150 C; CAS no: 18707603; Active phase: SE-30; Carrier gas: He; Substrate: Celatom silanized (62-72 mesh); Data type: Kovats RI; Authors: Ashes, J.R.; Haken, J.K., Gas chromatography of homologous esters. IX. Structure-retention increments of unsaturated esters, J. Chromatogr., 111, 1975, 171-187.) NIST Spectra nist ri
      755 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C =>2C/min => 60C =>4C/min =>260C; CAS no: 18707603; Active phase: DB-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Kovats RI; Authors: Maia, J.G.S.; Andrade, E.H.A.; Zoghbi, M.G.B., Volatile constituents of the leaves, fruits and flowers of cashew ( Anacardium occidentaleL.), J. Food Comp. Anal., 13, 2000, 227-232.) NIST Spectra nist ri
      1103 (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: 18707603; 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):

      744 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 250 C; CAS no: 18707603; Active phase: OV-101; Carrier gas: N2/He; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Experimentally measured retention indices., 2005.) NIST Spectra nist ri
      1121 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 35 C; End T: 320 C; End time: 45 min; Start time: 5 min; CAS no: 18707603; Active phase: FFAP; Carrier gas: N2; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Nebesny, E.; Budryn, G.; Kula, J.; Majda, T., The effect of roasting method on headspace composition of robusta coffee bean aroma, Eur. Food Res. Technol., 225, 2007, 9-19.) NIST Spectra nist ri
      1103 (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: 18707603; 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
      1119 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 190 C; Start time: 6 min; CAS no: 18707603; Active phase: HP-Wax; Carrier gas: He; Phase thickness: 0.5 um; Data type: Normal alkane RI; Authors: Sanz, C.; Maeztu, L.; Zapelena, M.J.; Bello, J.; Cid, C., Profiles of volatile compounds and sensory analysis of three blends of coffee: influence of different proportions of Arabica and Robusta and influence of roasting coffee with sugar, J. Sci. Food Agric., 82, 2002, 840-847.) NIST Spectra nist ri

    • Retention Index (Linear):

      1095 (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: 18707603; 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: 121.0±0.0 °C at 760 mmHg
Vapour Pressure: 14.9±0.2 mmHg at 25°C
Enthalpy of Vaporization: 35.9±3.0 kJ/mol
Flash Point: 4.4±0.0 °C
Index of Refraction: 1.414
Molar Refractivity: 27.0±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.32
ACD/LogD (pH 5.5): 1.19
ACD/BCF (pH 5.5): 4.72
ACD/KOC (pH 5.5): 105.66
ACD/LogD (pH 7.4): 1.19
ACD/BCF (pH 7.4): 4.72
ACD/KOC (pH 7.4): 105.66
Polar Surface Area: 26 Å2
Polarizability: 10.7±0.5 10-24cm3
Surface Tension: 25.5±3.0 dyne/cm
Molar Volume: 108.2±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) =  1.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  109.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -69.72  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  17.1  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -42 deg C
    BP  (exp database):  118 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.241e+004
       log Kow used: 1.14 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  28427 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.45E-004  atm-m3/mole
   Group Method:   4.55E-005  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.815E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.14  (KowWin est)
  Log Kaw used:  -2.227  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.367
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8741
   Biowin2 (Non-Linear Model)     :   0.9966
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1181  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9323  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7712
   Biowin6 (MITI Non-Linear Model):   0.8982
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7017
 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):  2.13E+003 Pa (16 mm Hg)
  Log Koa (Koawin est  ): 3.367
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.41E-009 
       Octanol/air (Koa) model:  5.71E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.08E-008 
       Mackay model           :  1.12E-007 
       Octanol/air (Koa) model:  4.57E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  20.0936 E-12 cm3/molecule-sec [Cis-isomer]
      OVERALL OH Rate Constant =  22.7536 E-12 cm3/molecule-sec [Trans-isomer]
      Half-Life =    6.388 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]
      Half-Life =    5.641 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.568750 E-17 cm3/molecule-sec [Cis-]
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec [Trans-]
      Half-Life =     2.015 Days (at 7E11 mol/cm3) [Cis-isomer]
      Half-Life =     1.007 Days (at 7E11 mol/cm3) [Trans-isomer]
   Fraction sorbed to airborne particulates (phi): 8.16E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  11.85
      Log Koc:  1.074 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  9.354E-003  L/mol-sec
  Kb Half-Life at pH 8:       2.348  years  
  Kb Half-Life at pH 7:      23.480  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.178 (BCF = 1.507)
       log Kow used: 1.14 (estimated)

 Volatilization from Water:
    Henry LC:  4.55E-005 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:       13.9  hours
    Half-Life from Model Lake :      235.5  hours   (9.812 days)

 Removal In Wastewater Treatment:
    Total removal:               4.26  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                2.39  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.01            10.1         1000       
   Water     43.6            360          1000       
   Soil      54.3            720          1000       
   Sediment  0.0901          3.24e+003    0          
     Persistence Time: 296 hr

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