ChemSpider 2D Image | 2-tert-butylthiophene | C8H12S

2-tert-butylthiophene

  • Molecular FormulaC8H12S
  • Average mass140.246 Da
  • Monoisotopic mass140.065964 Da
  • ChemSpider ID14773

More details:






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

1689-78-7 [RN]
2-(2-Methyl-2-propanyl)thiophen [German] [ACD/IUPAC Name]
2-(2-Methyl-2-propanyl)thiophene [ACD/IUPAC Name]
2-(2-Méthyl-2-propanyl)thiophène [French] [ACD/IUPAC Name]
2-(tert-butyl)thiophene
2-tert-butylthiophene
Thiophene, 2-(1,1-dimethylethyl)- [ACD/Index Name]
Thiophene, 2-tert-butyl-
[1689-78-7] [RN]
2-T-BUTYLTHIOPHENE
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

R5YF9YW3CR [DBID]
AI3-15885 [DBID]
UNII:R5YF9YW3CR [DBID]
UNII-R5YF9YW3CR [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      1008 (estimated with error: 46) NIST Spectra mainlib_3710, replib_249854
      989 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 1689787; Active phase: Apiezon M; Carrier gas: He or N2; Substrate: Chromosorb W, AW-DMCS; Data type: Kovats RI; Authors: Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V., Gas chromatographic retention indices for sulphur(II)-containing organic substances, J. Anal. Chem. USSR (Engl. Transl.), 40(4), 1985, 576-586, In original 709-720., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 1689787; Active phase: Apiezon M; Substrate: Chromosorb W, AW/DMS; Data type: Kovats RI; Authors: Golovnya, R.V.; Garbuzov, V.G.; Aerov, A.F., Gas chromatographic characterization of sulfur-containing compounds. 5. Thiophene, furan, and benzene derivatives, Izv. Akad. Nauk SSSR Ser. Khim., 11, 1978, 2271-2274, In original 2543-2547.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      952 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 1689787; Active phase: Methyl Silicone; Data type: Normal alkane RI; Authors: Miki, Y.; Sugimoto, Y.; Yamadaya, S., Synthesis and GC-MS analysis of alkylthiophenes, Nippon Kagaku Kaishi, 1, 1993, 79-85.) 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: 169.8±9.0 °C at 760 mmHg
Vapour Pressure: 2.0±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.0±3.0 kJ/mol
Flash Point: 37.7±4.9 °C
Index of Refraction: 1.503
Molar Refractivity: 43.0±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 3.59
ACD/LogD (pH 5.5): 3.36
ACD/BCF (pH 5.5): 210.85
ACD/KOC (pH 5.5): 1603.64
ACD/LogD (pH 7.4): 3.36
ACD/BCF (pH 7.4): 210.85
ACD/KOC (pH 7.4): 1603.64
Polar Surface Area: 28 Å2
Polarizability: 17.1±0.5 10-24cm3
Surface Tension: 29.2±3.0 dyne/cm
Molar Volume: 145.6±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) =  3.72

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  180.36  (Adapted Stein & Brown method)
    Melting Pt (deg C):  3.73  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.949  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  55.3
       log Kow used: 3.72 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  107.92 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.56E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.167E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.72  (KowWin est)
  Log Kaw used:  -0.510  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.230
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4968
   Biowin2 (Non-Linear Model)     :   0.3305
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6771  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4920  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3884
   Biowin6 (MITI Non-Linear Model):   0.3306
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0232
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.5204
     BioHC Half-Life (days)     :  33.1445

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  115 Pa (0.862 mm Hg)
  Log Koa (Koawin est  ): 4.230
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.61E-008 
       Octanol/air (Koa) model:  4.17E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.43E-007 
       Mackay model           :  2.09E-006 
       Octanol/air (Koa) model:  3.33E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.4977 E-12 cm3/molecule-sec
      Half-Life =     0.498 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.971 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.52E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  640.2
      Log Koc:  2.806 

 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 = 2.166 (BCF = 146.7)
       log Kow used: 3.72 (estimated)

 Volatilization from Water:
    Henry LC:  0.00756 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:        1.3  hours
    Half-Life from Model Lake :      113.5  hours   (4.728 days)

 Removal In Wastewater Treatment:
    Total removal:              77.51  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:    12.79  percent
    Total to Air:               64.62  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.43            11.9         1000       
   Water     18.2            900          1000       
   Soil      77.2            1.8e+003     1000       
   Sediment  2.22            8.1e+003     0          
     Persistence Time: 439 hr




                    

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