ChemSpider 2D Image | 2,3-Dihydrothiophene | C4H6S

2,3-Dihydrothiophene

  • Molecular FormulaC4H6S
  • Average mass86.155 Da
  • Monoisotopic mass86.019020 Da
  • ChemSpider ID120627

More details:






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

2,3-Dihydrothiophen [German] [ACD/IUPAC Name]
2,3-Dihydrothiophene [ACD/IUPAC Name]
2,3-Dihydrothiophène [French] [ACD/IUPAC Name]
Thiophene, 2,3-dihydro- [ACD/Index Name]
1120-59-8 [RN]
2,3-Dihydro-Thiophene
2-Thiolene
Dihydro-2-(3H)-thiophene
dihydrothiophene
  • Gas Chromatography
    • Retention Index (Kovats):

      723 (estimated with error: 46) NIST Spectra mainlib_151458, replib_249863
    • Retention Index (Normal Alkane):

      1104 (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: 40 C; End T: 200 C; Start time: 2 min; CAS no: 1120598; Active phase: DB-Wax; Carrier gas: He; Data type: Normal alkane RI; Authors: Umano, K.; Hagi, Y.; Nakahara, K.; Shyoji, A.; Shibamoto, T., Volatile chemicals formed in the headspace of a heated D-glucose/L-cysteine Maillard model system, J. Agric. Food Chem., 43, 1995, 2212-2218.) NIST Spectra nist ri
    • Retention Index (Linear):

      767 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 280 C; Start time: 2 min; CAS no: 1120598; Active phase: CP Sil 8 CB; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Elmore, J.S.; Campo, M.M.; Enser, M.; Mottram, D.S., Effect of lipid composition on meat-like model systems containing cysteine, ribose, and polyunsaturated fatty acids, J. Agric. Food Chem., 50, 2002, 1126-1132.) NIST Spectra nist ri
      768 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 250 C; End time: 10 min; Start time: 5 min; CAS no: 1120598; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Ames, J.M.; Guy, R.C.E.; Kipping, G.J., Effect of pH and temperature on the formation of volatile compounds in cysteine/reducing sugar/starch mixtures during extrusion cooking, J. Agric. Food Chem., 49, 2001, 1885-1894.) NIST Spectra nist ri
      764 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Description: 0C(5min) => 40C/min =>40C (2min) => 4C/min =>280C; CAS no: 1120598; Active phase: CP-Sil 8CB-MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D., The effects of diet and breed on the volatile compounds of cooked lamb, Meat Sci., 55, 2000, 149-159.) NIST Spectra nist ri
      780 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 0C(5min) => 40C/min =>40C(2min) => 4C/min => 280C; CAS no: 1120598; Active phase: BPX-5; Carrier gas: He; Phase thickness: 0.5 um; Data type: Linear RI; Authors: Elmore, J.S.; Mottram, D.S.; Enser, M.; Wood, J.D., Effect of the polyunsaturated fatty acid composition of beef muscle on the profile of aroma volatiles, J. Agric. Food Chem., 47, 1999, 1619-1625.) NIST Spectra nist ri

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

Density: 1.1±0.1 g/cm3
Boiling Point: 135.6±10.0 °C at 760 mmHg
Vapour Pressure: 9.5±0.2 mmHg at 25°C
Enthalpy of Vaporization: 33.2±0.0 kJ/mol
Flash Point: 34.1±15.7 °C
Index of Refraction: 1.556
Molar Refractivity: 26.2±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 1.47
ACD/LogD (pH 5.5): 1.93
ACD/BCF (pH 5.5): 17.27
ACD/KOC (pH 5.5): 267.52
ACD/LogD (pH 7.4): 1.93
ACD/BCF (pH 7.4): 17.27
ACD/KOC (pH 7.4): 267.52
Polar Surface Area: 25 Å2
Polarizability: 10.4±0.5 10-24cm3
Surface Tension: 41.7±3.0 dyne/cm
Molar Volume: 81.5±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) =  1.88

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  108.88  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -47.53  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  22.2  (Mean VP of Antoine & Grain methods)
    BP  (exp database):  112.1 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3162
       log Kow used: 1.88 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6517.9 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.52E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.959E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.88  (KowWin est)
  Log Kaw used:  -1.207  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.087
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7065
   Biowin2 (Non-Linear Model)     :   0.8564
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0088  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7234  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.5077
   Biowin6 (MITI Non-Linear Model):   0.6384
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4490
 Ready Biodegradability Prediction:   YES

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   0.9140
     BioHC Half-Life (days)     :   8.2039

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  2.77E+003 Pa (20.8 mm Hg)
  Log Koa (Koawin est  ): 3.087
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.08E-009 
       Octanol/air (Koa) model:  3E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.91E-008 
       Mackay model           :  8.65E-008 
       Octanol/air (Koa) model:  2.4E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  64.5702 E-12 cm3/molecule-sec
      Half-Life =     0.166 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.988 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi): 6.28E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  89.71
      Log Koc:  1.953 

 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 = 0.746 (BCF = 5.577)
       log Kow used: 1.88 (estimated)

 Volatilization from Water:
    Henry LC:  0.00152 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.305  hours
    Half-Life from Model Lake :      92.06  hours   (3.836 days)

 Removal In Wastewater Treatment:
    Total removal:              39.45  percent
    Total biodegradation:        0.07  percent
    Total sludge adsorption:     1.43  percent
    Total to Air:               37.95  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.99            3.41         1000       
   Water     57.2            360          1000       
   Soil      39.6            720          1000       
   Sediment  0.179           3.24e+003    0          
     Persistence Time: 119 hr




                    

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