ChemSpider 2D Image | 2-Ethoxy-3-isopropylpyrazine | C9H14N2O

2-Ethoxy-3-isopropylpyrazine

  • Molecular FormulaC9H14N2O
  • Average mass166.220 Da
  • Monoisotopic mass166.110611 Da
  • ChemSpider ID152694

More details:






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

276-847-7 [EINECS]
2-Ethoxy​-3-(1-met​hylethyl)pyrazine
2-Ethoxy-3-isopropylpyrazin [German] [ACD/IUPAC Name]
2-Ethoxy-3-isopropylpyrazine [ACD/IUPAC Name]
2-Éthoxy-3-isopropylpyrazine [French] [ACD/IUPAC Name]
72797-16-1 [RN]
ethyl 3-isopropyl-2-pyrazinyl ether
MFCD00038029 [MDL number]
Pyrazine, 2-ethoxy-3-(1-methylethyl)- [ACD/Index Name]
T6N DNJ BY1&1 CO2 [WLN]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

SU7E06NLO9 [DBID]
UNII:SU7E06NLO9 [DBID]
UNII-SU7E06NLO9 [DBID]
  • Gas Chromatography
    • Retention Index (Normal Alkane):

      1143 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 80 C; End T: 200 C; CAS no: 72797161; Active phase: OV-101; Carrier gas: N2; Data type: Normal alkane RI; Authors: Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 402, 1987, 309-317.) NIST Spectra nist ri
      1165 (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 (5min) => 10C/min => 80C => 20C/min => 230C (5min); CAS no: 72797161; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hartmann, P.J.; McNair, H.M.; Zoecklein, B.W., Measurement of 3-alkyl-2-methoxypyrazine by headspace solid-phase microextraction in spiked model wines, Am. J. Enol. Vitic, 53(4), 2002, 285-288., Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50 C(1min)=> 20C/min => 80C => 25C/min => 250C (3 min); CAS no: 72797161; Active phase: HP-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hartmann, P.J., The effect of wine matrix ingredients on 3-alkyl-2-methoxypyrazines measurements by headspace solid-phase microextraction (HS-SPME), Master's Thesis, Virginia Tech., Blacksburg, Va., 2003, 30.) NIST Spectra nist ri
      1431 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 72797161; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Mihara, S.; Masuda, H., Correlation between molecular structures and retention indices of pyrazines, J. Chromatogr., 402, 1987, 309-317.) 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: 230.5±40.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 44.8±3.0 kJ/mol
Flash Point: 78.8±16.3 °C
Index of Refraction: 1.488
Molar Refractivity: 47.9±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.62
ACD/LogD (pH 5.5): 2.28
ACD/BCF (pH 5.5): 31.67
ACD/KOC (pH 5.5): 412.81
ACD/LogD (pH 7.4): 2.28
ACD/BCF (pH 7.4): 31.67
ACD/KOC (pH 7.4): 412.83
Polar Surface Area: 35 Å2
Polarizability: 19.0±0.5 10-24cm3
Surface Tension: 35.8±3.0 dyne/cm
Molar Volume: 166.5±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) =  2.86

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  236.45  (Adapted Stein & Brown method)
    Melting Pt (deg C):  45.12  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0348  (Modified Grain method)
    Subcooled liquid VP: 0.0532 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):  229.6
       log Kow used: 2.86 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6492.8 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.07E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.315E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.86  (KowWin est)
  Log Kaw used:  -3.779  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.639
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8550
   Biowin2 (Non-Linear Model)     :   0.9699
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6989  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.6165  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4702
   Biowin6 (MITI Non-Linear Model):   0.5100
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5291
 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):  7.09 Pa (0.0532 mm Hg)
  Log Koa (Koawin est  ): 6.639
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.23E-007 
       Octanol/air (Koa) model:  1.07E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.53E-005 
       Mackay model           :  3.38E-005 
       Octanol/air (Koa) model:  8.55E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  11.5004 E-12 cm3/molecule-sec
      Half-Life =     0.930 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    11.161 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.46E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  118.7
      Log Koc:  2.074 

 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 = 1.505 (BCF = 31.99)
       log Kow used: 2.86 (estimated)

 Volatilization from Water:
    Henry LC:  4.07E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      186.8  hours   (7.783 days)
    Half-Life from Model Lake :       2146  hours   (89.4 days)

 Removal In Wastewater Treatment:
    Total removal:               4.88  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:     4.54  percent
    Total to Air:                0.22  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.822           22.3         1000       
   Water     20              900          1000       
   Soil      78.8            1.8e+003     1000       
   Sediment  0.336           8.1e+003     0          
     Persistence Time: 1e+003 hr




                    

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