ChemSpider 2D Image | 2-Allyl-6-methylpyrazine | C8H10N2

2-Allyl-6-methylpyrazine

  • Molecular FormulaC8H10N2
  • Average mass134.178 Da
  • Monoisotopic mass134.084396 Da
  • ChemSpider ID507258

More details:






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

2-Allyl-6-methylpyrazin [German] [ACD/IUPAC Name]
2-Allyl-6-methylpyrazine [ACD/IUPAC Name]
2-Allyl-6-méthylpyrazine [French] [ACD/IUPAC Name]
2-Methyl-6-(2-propen-1-yl)pyrazine
2-methyl-6-(prop-2-en-1-yl)pyrazine
55138-64-2 [RN]
Pyrazine, 2-methyl-6-(2-propen-1-yl)- [ACD/Index Name]
Pyrazine, 2-methyl-6-(2-propenyl)-
2-Methyl-6-(2-propenyl)pyrazine
pyrazine, 2-allyl-6-methyl-

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

  • Gas Chromatography
    • Retention Index (Kovats):

      1083 (estimated with error: 83) NIST Spectra mainlib_249018
    • Retention Index (Normal Alkane):

      1170 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.18 mm; Column length: 10 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 295 C; Start time: 1.5 min; CAS no: 55138642; Active phase: SLB-5MS; Carrier gas: Helium; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Risticevic, S.; Carasek, E.; Pawliszyn, J., Headspace solid-phase microextraction-gas chromatographic-time-of-flight mass spectrometric methodology for geographical origin verification of coffee, Anal. Chim. Acta, 617, 2008, 72-84.) NIST Spectra nist ri
    • Retention Index (Linear):

      1074 (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: 40 C; End T: 220 C; Start time: 5 min; CAS no: 55138642; Active phase: DB-1; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Kim, J.S., Einfluss der Temperatur beim Rosten von Sesam auf Aroma und antioxidative Eigenschaften des Ols, PhD Thesis, Technischen Universitat Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151.) NIST Spectra nist ri
      1535 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 200 C; End time: 30 min; Start time: 5 min; CAS no: 55138642; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Kim, J.S., Einfluss der Temperatur beim Rosten von Sesam auf Aroma und antioxidative Eigenschaften des Ols, PhD Thesis, Technischen Universitat Berlin zur Erlangung des akademischen Grades, Berlin, 2001, 151.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 191.0±35.0 °C at 760 mmHg
Vapour Pressure: 0.7±0.4 mmHg at 25°C
Enthalpy of Vaporization: 41.0±3.0 kJ/mol
Flash Point: 70.9±17.6 °C
Index of Refraction: 1.515
Molar Refractivity: 41.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.20
ACD/LogD (pH 5.5): 1.26
ACD/BCF (pH 5.5): 5.35
ACD/KOC (pH 5.5): 115.55
ACD/LogD (pH 7.4): 1.26
ACD/BCF (pH 7.4): 5.35
ACD/KOC (pH 7.4): 115.61
Polar Surface Area: 26 Å2
Polarizability: 16.3±0.5 10-24cm3
Surface Tension: 37.8±3.0 dyne/cm
Molar Volume: 136.6±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) =  1.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  207.95  (Adapted Stein & Brown method)
    Melting Pt (deg C):  34.18  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.184  (Modified Grain method)
    Subcooled liquid VP: 0.223 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2192
       log Kow used: 1.88 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  7063.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.67E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.482E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.88  (KowWin est)
  Log Kaw used:  -3.719  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.599
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7930
   Biowin2 (Non-Linear Model)     :   0.9053
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7529  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5171  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3337
   Biowin6 (MITI Non-Linear Model):   0.3016
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0689
 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):  29.7 Pa (0.223 mm Hg)
  Log Koa (Koawin est  ): 5.599
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.01E-007 
       Octanol/air (Koa) model:  9.75E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.64E-006 
       Mackay model           :  8.07E-006 
       Octanol/air (Koa) model:  7.8E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  28.8620 E-12 cm3/molecule-sec
      Half-Life =     0.371 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.447 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.200000 E-17 cm3/molecule-sec
      Half-Life =     0.955 Days (at 7E11 mol/cm3)
      Half-Life =     22.920 Hrs
   Fraction sorbed to airborne particulates (phi): 5.86E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  167.7
      Log Koc:  2.224 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.748 (BCF = 5.598)
       log Kow used: 1.88 (estimated)

 Volatilization from Water:
    Henry LC:  4.67E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      146.4  hours   (6.1 days)
    Half-Life from Model Lake :       1694  hours   (70.6 days)

 Removal In Wastewater Treatment:
    Total removal:               2.41  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.05  percent
    Total to Air:                0.26  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.745           6.41         1000       
   Water     33.3            360          1000       
   Soil      65.8            720          1000       
   Sediment  0.104           3.24e+003    0          
     Persistence Time: 402 hr




                    

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