ChemSpider 2D Image | MFCD00107135 | C5H6S2

MFCD00107135

  • Molecular FormulaC5H6S2
  • Average mass130.231 Da
  • Monoisotopic mass129.991089 Da
  • ChemSpider ID72624

More details:






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

228-394-1 [EINECS]
2-Thienylmethanethiol [ACD/IUPAC Name]
2-Thiénylméthanethiol [French] [ACD/IUPAC Name]
2-Thienylmethanthiol [German] [ACD/IUPAC Name]
2-thienylmethyl hydrosulfide
2-Thiophenemethanethiol [ACD/Index Name]
6258-63-5 [RN]
MFCD00107135
Thenyl mercaptan
thiophen-2-ylmethanethiol
More...

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

9JML279XS6 [DBID]
UNII:9JML279XS6 [DBID]
UNII-9JML279XS6 [DBID]
ZINC00153137 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      1098 (estimated with error: 46) NIST Spectra mainlib_2933, replib_365956
    • Retention Index (Normal Alkane):

      1064 (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: 3 K/min; Start T: 60 C; End T: 220 C; CAS no: 6258635; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Guntert, M.; Bertram, H.-J.; Hopp, R.; Silberzahn, W.; Sommer, H.; Werkhoff, P., Thermal generation of flavor compounds from thiamin and various amino acids, in Recent developments in flavor and fragrance chemistry. Proceedings of the 3rd International Haarmann & Reimer Symposium, Hopp,R.; Mori,K., ed(s), VCH Publishers, New York, 1992, 215-240.) NIST Spectra nist ri
      1131 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column length: 5.6 m; Column type: Packed; Description: 60C(7min), 100C(7min), 150C isothermal; CAS no: 6258635; Active phase: Apiezon M; Carrier gas: N2; Substrate: Chromosorb W AW/DMCS; Data type: Normal alkane RI; Authors: Golovnya, R.V.; Misharina, T.A.; Garbuzov, V.G.; Medvedyev, F.A., Volatile sulfur containing compounds in simulated meat flavour and their comparison with the constituents of natural aroma, Nahrung, 27(3), 1983, 237-249.) NIST Spectra nist ri
      1663 (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: 6258635; 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
      1639 (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: 6258635; 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):

      1105 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 220 C; End time: 30 min; Start time: 5 min; CAS no: 6258635; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Wu, Y.-F.G.; Cadwallader, K.R., Characterization of the aroma of a meatlike process flavoring from soybean-based enzyme-hydrolyzed vegetable protein, J. Agric. Food Chem., 50, 2002, 2900-2907.) NIST Spectra nist ri
      1107 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 220 C; End time: 30 min; Start time: 5 min; CAS no: 6258635; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Wu, Y.-F.G.; Cadwallader, K.R., Characterization of the aroma of a meatlike process flavoring from soybean-based enzyme-hydrolyzed vegetable protein, J. Agric. Food Chem., 50, 2002, 2900-2907.) NIST Spectra nist ri
      1089 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 250 C; End time: 20 min; Start time: 5 min; CAS no: 6258635; Active phase: DB-5; Phase thickness: 1 um; Data type: Linear RI; Authors: Madruga, M.S.; Mottram, D.S., The effect of pH on the formation of volatile compounds produced by heating a model system containing 5'-imp and cysteine, J. Braz. Chem. Soc., 9(3), 1998, 261-271.) NIST Spectra nist ri
      1092 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C (2min) => 40C/min =>50C (5min) => 6C/min => 230C (15min); CAS no: 6258635; Active phase: SE-54; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hofmann, T.; Schieberle, P., Evaluation of the key odorants in a thermally treated solution of ribose and cysteine by aroma extract dilution techniques, J. Agric. Food Chem., 43, 1995, 2187-2194.) NIST Spectra nist ri
      1702 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C(2min) => 6C/min=> 180C=>10C/min => 240C (10min); CAS no: 6258635; Active phase: DB-FFAP; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Huynh-Ba, T.; Matthey-Doret, W.; Fay, L.B.; Rhlid, R.B., Generation of thiols by biotransformation of cysteine-aldehyde conjugates with Baker's yeast, J. Agric. Food Chem., 51, 2003, 3629-3635.) NIST Spectra nist ri
      1710 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.53 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 200 C; End time: 30 min; Start time: 5 min; CAS no: 6258635; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Wu, Y.-F.G.; Cadwallader, K.R., Characterization of the aroma of a meatlike process flavoring from soybean-based enzyme-hydrolyzed vegetable protein, J. Agric. Food Chem., 50, 2002, 2900-2907.) NIST Spectra nist ri
      1713 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 40 C; End T: 200 C; End time: 30 min; Start time: 5 min; CAS no: 6258635; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Wu, Y.-F.G.; Cadwallader, K.R., Characterization of the aroma of a meatlike process flavoring from soybean-based enzyme-hydrolyzed vegetable protein, J. Agric. Food Chem., 50, 2002, 2900-2907.) NIST Spectra nist ri
      1689 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 0C(5min)=>fast=>60C(5min)=>4C/min=>220C(20min); CAS no: 6258635; Active phase: CP-Wax 52CB; Phase thickness: 0.21 um; Data type: Linear RI; Authors: Madruga, M.S.; Mottram, D.S., The effect of pH on the formation of volatile compounds produced by heating a model system containing 5'-imp and cysteine, J. Braz. Chem. Soc., 9(3), 1998, 261-271., 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: 6258635; 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
      1682 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C (2min) => 40C/min =>60C (5min) => 6C/min => 230C (15min); CAS no: 6258635; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hofmann, T.; Schieberle, P., Evaluation of the key odorants in a thermally treated solution of ribose and cysteine by aroma extract dilution techniques, J. Agric. Food Chem., 43, 1995, 2187-2194., Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 40C (2min) => 40C/min =>60C (5min) => 6C/min =>230C (15min); CAS no: 6258635; Active phase: FFAP; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hofmann, T.; Schieberle, P., Identification of potent aroma compounds in thermally treated mixtures of glucose/cysteine and rhamnose/cysteine using aroma extract dilution techniques, J. Agric. Food Chem., 45, 1997, 898-906.) NIST Spectra nist ri
      1686 (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: 6258635; 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: 1.2±0.1 g/cm3
Boiling Point: 200.3±15.0 °C at 760 mmHg
Vapour Pressure: 0.5±0.4 mmHg at 25°C
Enthalpy of Vaporization: 41.9±3.0 kJ/mol
Flash Point: 74.9±20.4 °C
Index of Refraction: 1.601
Molar Refractivity: 37.5±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.42
ACD/LogD (pH 5.5): 2.41
ACD/BCF (pH 5.5): 39.79
ACD/KOC (pH 5.5): 486.11
ACD/LogD (pH 7.4): 2.40
ACD/BCF (pH 7.4): 39.47
ACD/KOC (pH 7.4): 482.17
Polar Surface Area: 67 Å2
Polarizability: 14.8±0.5 10-24cm3
Surface Tension: 42.6±3.0 dyne/cm
Molar Volume: 109.3±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) =  2.30

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  209.84  (Adapted Stein & Brown method)
    Melting Pt (deg C):  12.45  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.22  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  988.3
       log Kow used: 2.30 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  414.82 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.15E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.814E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.30  (KowWin est)
  Log Kaw used:  -2.328  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.628
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6855
   Biowin2 (Non-Linear Model)     :   0.7612
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9114  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6599  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2937
   Biowin6 (MITI Non-Linear Model):   0.2694
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5425
 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):  27.1 Pa (0.203 mm Hg)
  Log Koa (Koawin est  ): 4.628
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.11E-007 
       Octanol/air (Koa) model:  1.04E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4E-006 
       Mackay model           :  8.87E-006 
       Octanol/air (Koa) model:  8.34E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  63.4658 E-12 cm3/molecule-sec
      Half-Life =     0.169 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.022 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 6.44E-006 (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 = 1.074 (BCF = 11.86)
       log Kow used: 2.30 (estimated)

 Volatilization from Water:
    Henry LC:  0.000115 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      6.974  hours
    Half-Life from Model Lake :      171.8  hours   (7.157 days)

 Removal In Wastewater Treatment:
    Total removal:               8.01  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.44  percent
    Total to Air:                5.48  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.725           4.04         1000       
   Water     27.3            360          1000       
   Soil      71.8            720          1000       
   Sediment  0.14            3.24e+003    0          
     Persistence Time: 356 hr




                    

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