ChemSpider 2D Image | 1-Ethyl-1H-pyrrole-2-carboxaldehyde | C7H9NO

1-Ethyl-1H-pyrrole-2-carboxaldehyde

  • Molecular FormulaC7H9NO
  • Average mass123.152 Da
  • Monoisotopic mass123.068413 Da
  • ChemSpider ID503564

More details:






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

1-Ethyl-1H-pyrrol-2-carbaldehyd [German] [ACD/IUPAC Name]
1-Ethyl-1H-pyrrole-2-carbaldehyde
1-Éthyl-1H-pyrrole-2-carbaldéhyde [French] [ACD/IUPAC Name]
1-Ethyl-1H-pyrrole-2-carboxaldehyde [ACD/IUPAC Name]
1H-Pyrrole-2-carboxaldehyde, 1-ethyl- [ACD/Index Name]
2167-14-8 [RN]
T5NJ A2 BVH [WLN]
[2167-14-8]
1-Ethyl-2-formyl-1H-pyrrole
More...

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

51J1CE738Y [DBID]
UNII:51J1CE738Y [DBID]
UNII-51J1CE738Y [DBID]
  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      1054 (estimated with error: 89) NIST Spectra mainlib_51886
    • Retention Index (Normal Alkane):

      1039 (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 0C (2.8 min) ^ 5.5 0C/min -> 140 0C (1 min) ^ 4.5 oC/min -> 220 0C -> 225 0C (2 min) ^ 3.4 0C/min -> 265 0C (5 min); CAS no: 2167148; Active phase: DB-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Zhu, M.; Li, E.; He, H., Determination of volatile chemical constitutes in tea by simultaneous distillation extraction, vacuum hydrodistillation and thermal desrption, Chromatographia, 68(7/8), 2008, 603-610.) NIST Spectra nist ri
      1046 (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 0C (2.8 min) ^ 5.5 0C/min -> 140 0C (1 min) ^ 4.5 oC/min -> 220 0C -> 225 0C (2 min) ^ 3.4 0C/min -> 265 0C (5 min); CAS no: 2167148; Active phase: DB-5 MS; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Zhu, M.; Li, E.; He, H., Determination of volatile chemical constitutes in tea by simultaneous distillation extraction, vacuum hydrodistillation and thermal desrption, Chromatographia, 68(7/8), 2008, 603-610.) NIST Spectra nist ri
      1566 (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: 60 C; End T: 180 C; Start time: 4 min; CAS no: 2167148; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Kawakami, M.; Ganguly, S.N.; Banerjee, J.; Kobayashi, A., Aroma composition of oolong tea and black tea by brewed extraction method and characterizing compounds of Darjeeling tea aroma, J. Agric. Food Chem., 43, 1995, 200-207.) NIST Spectra nist ri
      1562 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 60 C; End T: 180 C; Start time: 4 min; CAS no: 2167148; Active phase: PEG-20M; Carrier gas: He; Phase thickness: 0.15 um; Data type: Normal alkane RI; Authors: Togari, N.; Kobayashi, A.; Aishima, T., Pattern recognition applied to gas chromatographic profiles of volatile components in three tea categories, Food Res. Int., 28(5), 1995, 495-502.) NIST Spectra nist ri
    • Retention Index (Linear):

      1067 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: OC (5min) => 60C/min => 60C(5min) =>4C/min => 250C; CAS no: 2167148; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Bredie, W.L.P.; Mottram, D.S.; Guy, R.C.E., Aroma volatiles generated during extrusion cooking of maize flour, J. Agric. Food Chem., 46, 1998, 1479-1487.) NIST Spectra nist ri
      1610 (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: 50 C; End T: 230 C; CAS no: 2167148; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of volatile compounds among different grades of green tea and their relations to odor attributes, J. Agric. Food Chem., 43, 1995, 1621-1625., 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: 50 C; End T: 230 C; CAS no: 2167148; Active phase: DB-Wax; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Shigematsu, H.; Shiratsuchi, H.; Osajima, Y., Comparison of the odor concentrates by SDE and adsorptive column method from green tea infusion, J. Agric. Food Chem., 43, 1995, 1616-1620., 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: 50 C; End T: 230 C; End time: 60 min; CAS no: 2167148; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Shiratsuchi, H.; Nakada, Y.; Wu, Y.; Osajima, Y., Identification and sensory characterization of volatile flavor compounds in sesame seed oil, J. Agric. Food Chem., 44, 1996, 3909-3912., 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: 50 C; End T: 230 C; End time: 60 min; CAS no: 2167148; Active phase: PEG-20M; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Shimoda, M.; Nakada, Y.; Nakashima, M.; Osajima, Y., Quantitative comparison of volatile flavor compounds in deep-roasted and light-roasted sesame seed oil, J. Agric. Food Chem., 45, 1997, 3193-3196.) NIST Spectra nist ri

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

Density: 1.0±0.1 g/cm3
Boiling Point: 210.6±13.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 44.7±3.0 kJ/mol
Flash Point: 81.2±19.8 °C
Index of Refraction: 1.508
Molar Refractivity: 36.9±0.5 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.79
ACD/LogD (pH 5.5): 0.99
ACD/BCF (pH 5.5): 3.30
ACD/KOC (pH 5.5): 81.80
ACD/LogD (pH 7.4): 0.99
ACD/BCF (pH 7.4): 3.30
ACD/KOC (pH 7.4): 81.80
Polar Surface Area: 22 Å2
Polarizability: 14.6±0.5 10-24cm3
Surface Tension: 35.6±7.0 dyne/cm
Molar Volume: 123.6±7.0 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) =  1.63

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  205.42  (Adapted Stein & Brown method)
    Melting Pt (deg C):  14.25  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.275  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3927
       log Kow used: 1.63 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  13019 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.41E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.135E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.63  (KowWin est)
  Log Kaw used:  -4.582  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.212
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9735
   Biowin2 (Non-Linear Model)     :   0.9998
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9493  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8667  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8316
   Biowin6 (MITI Non-Linear Model):   0.9258
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6188
 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):  33.6 Pa (0.252 mm Hg)
  Log Koa (Koawin est  ): 6.212
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  8.93E-008 
       Octanol/air (Koa) model:  4E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.22E-006 
       Mackay model           :  7.14E-006 
       Octanol/air (Koa) model:  3.2E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  73.7739 E-12 cm3/molecule-sec
      Half-Life =     0.145 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.740 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 5.18E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  56.59
      Log Koc:  1.753 

 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 = 0.558 (BCF = 3.618)
       log Kow used: 1.63 (estimated)

 Volatilization from Water:
    Henry LC:  6.41E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1015  hours   (42.28 days)
    Half-Life from Model Lake : 1.116E+004  hours   (465.1 days)

 Removal In Wastewater Treatment:
    Total removal:               2.05  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.92  percent
    Total to Air:                0.04  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.419           3.48         1000       
   Water     36.6            360          1000       
   Soil      62.9            720          1000       
   Sediment  0.0938          3.24e+003    0          
     Persistence Time: 392 hr




                    

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