ChemSpider 2D Image | 4-Ethyl-1,3-thiazole | C5H7NS

4-Ethyl-1,3-thiazole

  • Molecular FormulaC5H7NS
  • Average mass113.181 Da
  • Monoisotopic mass113.029922 Da
  • ChemSpider ID179590

More details:






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

17626-72-1 [RN]
4-Ethyl-1,3-thiazol [German] [ACD/IUPAC Name]
4-Ethyl-1,3-thiazole [ACD/IUPAC Name]
4-Éthyl-1,3-thiazole [French] [ACD/IUPAC Name]
Thiazole, 4-ethyl- [ACD/Index Name]
[17626-72-1] [RN]
4-Ethylthiazole
GH-0707
MFCD14706926 [MDL number]

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

  • Gas Chromatography
    • Retention Index (Kovats):

      932 (estimated with error: 89) NIST Spectra mainlib_144197
    • Retention Index (Normal Alkane):

      873 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; CAS no: 17626721; Active phase: DB-1; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Chantreau, A.; Rochat, S.; de Saint Laumer, J.-Y., Re-investigation of sulfur impact odorants in roast beef using comprehensive two-dimensional GC-TOF-MS and the GC-SNIF, Developments Food. Sci., 43, 2006, 601-604.) NIST Spectra nist ri
      880 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; CAS no: 17626721; Active phase: DB-1; Phase thickness: 0.18 um; Data type: Normal alkane RI; Authors: Chantreau, A.; Rochat, S.; de Saint Laumer, J.-Y., Re-investigation of sulfur impact odorants in roast beef using comprehensive two-dimensional GC-TOF-MS and the GC-SNIF, Developments Food. Sci., 43, 2006, 601-604.) NIST Spectra nist ri
    • Retention Index (Linear):

      873 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; End time: 5 min; Start time: 3 min; CAS no: 17626721; Active phase: DB-1; Phase thickness: 0.18 um; Data type: Linear RI; Authors: Rochat S.; de Saint Laumer J.Y.; Chaintreau A., Analysis of sulfur compounds from the in-oven roast beef aroma by comprehensive two-dimensional gas chromatography, J. Chromatogr. A, 1147, 2007, 85-94.) NIST Spectra nist ri
      880 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.18 mm; Column length: 20 m; Column type: Capillary; Heat rate: 8 K/min; Start T: 60 C; End T: 220 C; End time: 5 min; Start time: 3 min; CAS no: 17626721; Active phase: DB-1; Phase thickness: 0.18 um; Data type: Linear RI; Authors: Rochat S.; de Saint Laumer J.Y.; Chaintreau A., Analysis of sulfur compounds from the in-oven roast beef aroma by comprehensive two-dimensional gas chromatography, J. Chromatogr. A, 1147, 2007, 85-94.) NIST Spectra nist ri
      916 (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: 17626721; 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
      1281 (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: 17626721; 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: 17626721; 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, version: 14.00

Density: 1.1±0.1 g/cm3
Boiling Point: 162.9±9.0 °C at 760 mmHg
Vapour Pressure: 2.8±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.3±3.0 kJ/mol
Flash Point: 56.3±6.8 °C
Index of Refraction: 1.527
Molar Refractivity: 32.3±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.43
ACD/LogD (pH 5.5): 1.36
ACD/BCF (pH 5.5): 6.33
ACD/KOC (pH 5.5): 130.28
ACD/LogD (pH 7.4): 1.36
ACD/BCF (pH 7.4): 6.36
ACD/KOC (pH 7.4): 130.77
Polar Surface Area: 41 Å2
Polarizability: 12.8±0.5 10-24cm3
Surface Tension: 38.3±3.0 dyne/cm
Molar Volume: 105.0±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) =  2.03

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  169.17  (Adapted Stein & Brown method)
    Melting Pt (deg C):  18.12  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.63  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1954
       log Kow used: 2.03 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  3056.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.61E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.242E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.03  (KowWin est)
  Log Kaw used:  -3.639  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.669
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7483
   Biowin2 (Non-Linear Model)     :   0.8785
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8742  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6159  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3366
   Biowin6 (MITI Non-Linear Model):   0.3528
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4439
 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):  197 Pa (1.48 mm Hg)
  Log Koa (Koawin est  ): 5.669
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.52E-008 
       Octanol/air (Koa) model:  1.15E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.49E-007 
       Mackay model           :  1.22E-006 
       Octanol/air (Koa) model:  9.16E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   4.5801 E-12 cm3/molecule-sec
      Half-Life =     2.335 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    28.024 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 8.83E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  280.7
      Log Koc:  2.448 

 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 = 0.864 (BCF = 7.314)
       log Kow used: 2.03 (estimated)

 Volatilization from Water:
    Henry LC:  5.61E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      112.1  hours   (4.671 days)
    Half-Life from Model Lake :       1312  hours   (54.68 days)

 Removal In Wastewater Treatment:
    Total removal:               2.58  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.17  percent
    Total to Air:                0.31  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.53            56           1000       
   Water     30.6            360          1000       
   Soil      65.7            720          1000       
   Sediment  0.112           3.24e+003    0          
     Persistence Time: 431 hr




                    

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