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ChemSpider 2D Image | 2-Butyl-5-ethylthiophene | C10H16S

2-Butyl-5-ethylthiophene

  • Molecular FormulaC10H16S
  • Average mass168.299 Da
  • Monoisotopic mass168.097275 Da
  • ChemSpider ID454903

More details:

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

2-Butyl-5-ethylthiophen [German] [ACD/IUPAC Name]
2-Butyl-5-ethylthiophene [ACD/IUPAC Name]
2-Butyl-5-éthylthiophène [French] [ACD/IUPAC Name]
54411-06-2 [RN]
MFCD00053118 [MDL number]
Thiophene, 2-butyl-5-ethyl- [ACD/Index Name]
2-Butyl-5-ethyl thiophene
2-N-BUTYL-5-ETHYLTHIOPHENE

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

CCRIS 4693 [DBID]
ZINC02510289 [DBID]
  • Miscellaneous

    • Safety:

      CAUTION: May irritate eyes, skin, and respiratory tract Alfa Aesar B22708
  • Gas Chromatography

    • Retention Index (Kovats):

      1282 (estimated with error: 46) NIST Spectra mainlib_249606, replib_6471

    • Retention Index (Normal Alkane):

      1222 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 0 C; End T: 300 C; Start time: 5 min; CAS no: 54411062; Active phase: CP-Sil 5; Carrier gas: Helium; Phase thickness: 0.45 um; Data type: Normal alkane RI; Authors: Damste, J.S.S.; van Dalen, A.C.K.; de Leeuw, J.W.; Schenck, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolisates of sulfur-rich kerogenes, J. Chromatogr., 435, 1988, 435-452., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 300 C; CAS no: 54411062; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 0.45 um; Data type: Normal alkane RI; Authors: Damste, J.S.S.; Kock-van Dalen, A.C.; de Leeuw, J.W.; Schenk, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolysates of sulphur-rich kerogens, J. Chromatogr., 435, 1988, 435-452.) NIST Spectra nist ri
      1224 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 0 C; End T: 300 C; Start time: 5 min; CAS no: 54411062; Active phase: CP-Sil 5; Carrier gas: Helium; Phase thickness: 0.45 um; Data type: Normal alkane RI; Authors: Damste, J.S.S.; van Dalen, A.C.K.; de Leeuw, J.W.; Schenck, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolisates of sulfur-rich kerogenes, J. Chromatogr., 435, 1988, 435-452., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 300 C; CAS no: 54411062; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 0.45 um; Data type: Normal alkane RI; Authors: Damste, J.S.S.; Kock-van Dalen, A.C.; de Leeuw, J.W.; Schenk, P.A., Identification of homologous series of alkylated thiophenes, thiolanes, thianes and benzothiophenes present in pyrolysates of sulphur-rich kerogens, J. Chromatogr., 435, 1988, 435-452.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 218.8±9.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 43.7±3.0 kJ/mol
Flash Point: 61.0±4.9 °C
Index of Refraction: 1.509
Molar Refractivity: 53.0±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 4.94
ACD/LogD (pH 5.5): 4.15
ACD/BCF (pH 5.5): 845.44
ACD/KOC (pH 5.5): 4333.19
ACD/LogD (pH 7.4): 4.15
ACD/BCF (pH 7.4): 845.44
ACD/KOC (pH 7.4): 4333.19
Polar Surface Area: 28 Å2
Polarizability: 21.0±0.5 10-24cm3
Surface Tension: 32.3±3.0 dyne/cm
Molar Volume: 177.6±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) =  4.87

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  238.62  (Adapted Stein & Brown method)
    Melting Pt (deg C):  37.06  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0371  (Modified Grain method)
    Subcooled liquid VP: 0.0476 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):  4.325
       log Kow used: 4.87 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.5578 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.11E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.900E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  4.87  (KowWin est)
  Log Kaw used:  -0.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.213
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8852
   Biowin2 (Non-Linear Model)     :   0.9738
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9759  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7369  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2161
   Biowin6 (MITI Non-Linear Model):   0.1909
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0232
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.3885
     BioHC Half-Life (days)     :  24.4601

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  6.35 Pa (0.0476 mm Hg)
  Log Koa (Koawin est  ): 5.213
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.73E-007 
       Octanol/air (Koa) model:  4.01E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.71E-005 
       Mackay model           :  3.78E-005 
       Octanol/air (Koa) model:  3.21E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  33.8297 E-12 cm3/molecule-sec
      Half-Life =     0.316 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.794 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.74E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2989
      Log Koc:  3.475 

 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 = 3.052 (BCF = 1126)
       log Kow used: 4.87 (estimated)

 Volatilization from Water:
    Henry LC:  0.0111 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.392  hours
    Half-Life from Model Lake :        124  hours   (5.165 days)

 Removal In Wastewater Treatment:
    Total removal:              89.97  percent
    Total biodegradation:        0.33  percent
    Total sludge adsorption:    55.05  percent
    Total to Air:               34.60  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.1             7.59         1000       
   Water     13.8            360          1000       
   Soil      73.3            720          1000       
   Sediment  11.9            3.24e+003    0          
     Persistence Time: 444 hr

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