ChemSpider 2D Image | Methyl 5-methylhexanoate | C8H16O2

Methyl 5-methylhexanoate

  • Molecular FormulaC8H16O2
  • Average mass144.211 Da
  • Monoisotopic mass144.115036 Da
  • ChemSpider ID453490

More details:






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

2177-83-5 [RN]
5-Méthylhexanoate de méthyle [French] [ACD/IUPAC Name]
Hexanoic acid, 5-methyl-, methyl ester [ACD/Index Name]
Methyl 5-methylhexanoate [ACD/IUPAC Name]
Methyl-5-methylhexanoat [German] [ACD/IUPAC Name]
methyl 5-methyl hexanoate
Methyl 5-methylcaproate
Methyl isoheptanoate
METHYL5-METHYLHEXANOATE
MFCD00190160

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

  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      920 (estimated with error: 47) NIST Spectra mainlib_152834, replib_25807
    • Retention Index (Normal Alkane):

      975.1 (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: 4 K/min; Start T: 35 C; CAS no: 2177835; Active phase: SE-30; Carrier gas: N2; Data type: Normal alkane RI; Authors: Allen, G.R.; Saxby, M.J., Gas chromatography of isomeric fatty acid methyl esters, J. Chromatogr., 37, 1968, 312-314.) NIST Spectra nist ri
      993 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.22 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 320 C; Start time: 5 min; CAS no: 2177835; Active phase: BPX5; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Dickschat, J.S.; Bode, H.B.; Wenzel, S.C.; Muller, R.; Schulz, S., Biosinthesis and Identification of Volatiles Released by the Myxobacterium Stigmatella aurantiaca, ChemBioChem, 6, 2005, 2023-2033.) NIST Spectra nist ri
      1246.8 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 60 C; End T: 260 C; End time: 7 min; Start time: 3 min; CAS no: 2177835; Active phase: EC-WAX; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Raguso, R.A.; Levin, R.A.; Foose, S.E.; Holmberg, M.W.; McDade, L.A., Fragrance chemistry, nocturnal rhythms and pollination "syndromes" in Nicotiana, Phytochemistry, 63, 2003, 265-284.) NIST Spectra nist ri
    • Retention Index (Linear):

      963 (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: 2177835; 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

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

Density: 0.9±0.1 g/cm3
Boiling Point: 156.3±8.0 °C at 760 mmHg
Vapour Pressure: 2.9±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.3±3.0 kJ/mol
Flash Point: 46.7±8.3 °C
Index of Refraction: 1.411
Molar Refractivity: 40.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.65
ACD/LogD (pH 5.5): 2.47
ACD/BCF (pH 5.5): 44.73
ACD/KOC (pH 5.5): 528.56
ACD/LogD (pH 7.4): 2.47
ACD/BCF (pH 7.4): 44.73
ACD/KOC (pH 7.4): 528.56
Polar Surface Area: 26 Å2
Polarizability: 16.2±0.5 10-24cm3
Surface Tension: 26.3±3.0 dyne/cm
Molar Volume: 164.4±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) =  2.76

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  157.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -43.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.88  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  356.7
       log Kow used: 2.76 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  759.6 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.23E-004  atm-m3/mole
   Group Method:   7.92E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.532E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.76  (KowWin est)
  Log Kaw used:  -1.529  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.289
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8531
   Biowin2 (Non-Linear Model)     :   0.9936
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0207  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8686  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7256
   Biowin6 (MITI Non-Linear Model):   0.8865
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6813
 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):  351 Pa (2.63 mm Hg)
  Log Koa (Koawin est  ): 4.289
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.56E-009 
       Octanol/air (Koa) model:  4.78E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.09E-007 
       Mackay model           :  6.84E-007 
       Octanol/air (Koa) model:  3.82E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   6.1206 E-12 cm3/molecule-sec
      Half-Life =     1.748 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    20.970 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.97E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  62.3
      Log Koc:  1.794 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  6.634E-002  L/mol-sec
  Kb Half-Life at pH 8:     120.916  days   
  Kb Half-Life at pH 7:       3.310  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.421 (BCF = 26.39)
       log Kow used: 2.76 (estimated)

 Volatilization from Water:
    Henry LC:  0.000792 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.113  hours
    Half-Life from Model Lake :      123.8  hours   (5.156 days)

 Removal In Wastewater Treatment:
    Total removal:              27.97  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     3.37  percent
    Total to Air:               24.51  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       7.13            42           1000       
   Water     23.1            360          1000       
   Soil      69.5            720          1000       
   Sediment  0.249           3.24e+003    0          
     Persistence Time: 309 hr




                    

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