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ChemSpider 2D Image | DIMETHYLTHIOPHENE | C6H8S

DIMETHYLTHIOPHENE

  • Molecular FormulaC6H8S
  • Average mass112.193 Da
  • Monoisotopic mass112.034668 Da
  • ChemSpider ID31595

More details:






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

2,3-Dimethylthiophen [German] [ACD/IUPAC Name]
2,3-Dimethylthiophene [ACD/IUPAC Name]
2,3-Diméthylthiophène [French] [ACD/IUPAC Name]
211-170-2 [EINECS]
DIMETHYLTHIOPHENE
Thiophene, 2,3-dimethyl- [ACD/Index Name]
"2,3-DIMETHYLTHIOPHENE"
"THIOPHENE, 2,3-DIMETHYL-"
[632-16-6]
2,3,Dimethylthiophene
More...

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

ZINC01845895 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      10/20/2013 12:00:00 AM Alfa Aesar H31641
      10-20 Alfa Aesar H31641
      20-Oct Alfa Aesar H31641
      3 Alfa Aesar H31641
      9-16-36-60 Alfa Aesar H31641
      DANGER: FLAMMABLE, irritates skin and eyes Alfa Aesar H31641
      Flammable/Harmful/Keep Cold SynQuest 5H66-1-X6, 67622
      H226-H332 Alfa Aesar H31641
      P210-P261-P280-P303+P361+P353-P403+P235-P501a Alfa Aesar H31641
      Warning Alfa Aesar H31641
  • Gas Chromatography
    • Retention Index (Kovats):

      884 (estimated with error: 46) NIST Spectra mainlib_1675, replib_249508
    • Retention Index (Normal Alkane):

      874 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 35 C; End T: 170 C; CAS no: 632166; Active phase: PONA; Carrier gas: N2; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Yang, Y.; Wang, Z.; Zong, B.; Yang, H., Determination of sulfur compounds in fluid catalytic cracking gasoline by gas chromatography with a sulfur chemiluminiscence detector, Chin. J. Chromatogr., 22(3), 2004, 216-219.) NIST Spectra nist ri
      873.5 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.1 mm; Column length: 20 m; Column type: Capillary; Description: 40C(0.4min) =>10C/min=> 110C=>20C/min =>260C (1min); CAS no: 632166; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.4 um; Data type: Normal alkane RI; Authors: LECO Corporation, Rapid qualitative GC/TOFMS analysis of unleaded gasoline, 2003.) NIST Spectra nist ri
      867 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 30 C; End T: 150 C; CAS no: 632166; Active phase: PONA; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y., Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector, Petrochemical Technology (Shiyou Huagong), 32(11), 2003, 995-998.) NIST Spectra nist ri
      870 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 50 m; Column type: Capillary; CAS no: 632166; Active phase: PONA; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Yang, Y.-T.; Wang, Z.; Han. J.-H.; Tian, H.-P.; Yang, H.-Y., Determination of sulfur compounds in gasoline fraction of microreactor products by gas chromatography - Atomic emission detector, Petrochemical Technology (Shiyou Huagong), 32(11), 2003, 995-998.) NIST Spectra nist ri
      855 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 632166; 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
      868 (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: 632166; 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: 632166; 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
      869 (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: 632166; 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: 632166; 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
      1212 (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: 632166; 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
      1221 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 70 C; End T: 170 C; CAS no: 632166; Active phase: Carbowax 20M; Data type: Normal alkane RI; Authors: Shibamoto, T.; Russell, G.F., A study of the volatiles isolated from a D-glucose-hydrogen sulfide-ammonia model system, J. Agric. Food Chem., 25(1), 1977, 109-112.) NIST Spectra nist ri
      1218 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 100 m; Column type: Capillary; Heat rate: 1 K/min; Start T: 70 C; End T: 170 C; CAS no: 632166; Active phase: Carbowax 20M; Carrier gas: N2; Data type: Normal alkane RI; Authors: Shibamoto, T.; Russell, G.F., Study of meat volatiles associated with aroma generated in a D-glucose-hydrogen sulfide-ammonia model system, J. Agric. Food Chem., 24(4), 1976, 843-846.) NIST Spectra nist ri
    • Retention Index (Linear):

      877 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 40 C; End T: 220 C; End time: 10 min; CAS no: 632166; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Zhang, Y.; Ho, C.-T., Comparison of the volatile compounds formed from the thermal reaction of glucose with cysteine and glutathione, J. Agric. Food Chem., 39, 1991, 760-763.) NIST Spectra nist ri
      893 (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: 632166; 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
      898 (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: 632166; 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
      1203 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 200 C; End time: 10 min; Start time: 5 min; CAS no: 632166; Active phase: CP-WAX 57CB; Carrier gas: He; Data type: Linear RI; Authors: Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J., Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose, J. Sci. Food Agric., 42, 1988, 261-272.) NIST Spectra nist ri
      1207 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 200 C; End time: 10 min; Start time: 5 min; CAS no: 632166; Active phase: CP-WAX 57CB; Carrier gas: He; Data type: Linear RI; Authors: Whitfield, F.B.; Mottram, D.S.; Brock, S.; Puckey, D.J.; Salter, L.J., Effect of Phospholipid on the Formation of Volatile Heterocyclic Compounds in Heated Aqueous Solutions of Amino Acids and Ribose, J. Sci. Food Agric., 42, 1988, 261-272.) 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: 144.6±9.0 °C at 760 mmHg
Vapour Pressure: 6.4±0.3 mmHg at 25°C
Enthalpy of Vaporization: 36.6±3.0 kJ/mol
Flash Point: 25.8±4.9 °C
Index of Refraction: 1.527
Molar Refractivity: 34.3±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#Rule of 5 Violations: 0
ACD/LogP: 2.82
ACD/LogD (pH 5.5): 2.67
ACD/BCF (pH 5.5): 62.51
ACD/KOC (pH 5.5): 671.70
ACD/LogD (pH 7.4): 2.67
ACD/BCF (pH 7.4): 62.51
ACD/KOC (pH 7.4): 671.70
Polar Surface Area: 28 Å2
Polarizability: 13.6±0.5 10-24cm3
Surface Tension: 32.3±3.0 dyne/cm
Molar Volume: 111.5±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) =  2.91

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  159.09  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -8.70  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.91  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -49 deg C
    BP  (exp database):  141.6 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  351.5
       log Kow used: 2.91 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  427.27 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.57E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.482E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.91  (KowWin est)
  Log Kaw used:  -0.836  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.746
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8035
   Biowin2 (Non-Linear Model)     :   0.9289
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8015  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5488  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4777
   Biowin6 (MITI Non-Linear Model):   0.5353
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0983
 Ready Biodegradability Prediction:   NO

 Hydrocarbon Biodegradation (BioHCwin v1.01):
     LOG BioHC Half-Life (days) :   1.0946
     BioHC Half-Life (days)     :  12.4335

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  724 Pa (5.43 mm Hg)
  Log Koa (Koawin est  ): 3.746
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.14E-009 
       Octanol/air (Koa) model:  1.37E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.5E-007 
       Mackay model           :  3.31E-007 
       Octanol/air (Koa) model:  1.09E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  30.7701 E-12 cm3/molecule-sec
      Half-Life =     0.348 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.171 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.41E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  240.2
      Log Koc:  2.381 

 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 = 1.539 (BCF = 34.59)
       log Kow used: 2.91 (estimated)

 Volatilization from Water:
    Henry LC:  0.00357 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.255  hours
    Half-Life from Model Lake :      102.5  hours   (4.271 days)

 Removal In Wastewater Treatment:
    Total removal:              59.89  percent
    Total biodegradation:        0.06  percent
    Total sludge adsorption:     3.26  percent
    Total to Air:               56.56  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.86            8.34         1000       
   Water     33              360          1000       
   Soil      62.6            720          1000       
   Sediment  0.468           3.24e+003    0          
     Persistence Time: 194 hr




                    

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