ChemSpider 2D Image | (5-Methyl-2-furyl)methanethiol | C6H8OS

(5-Methyl-2-furyl)methanethiol

  • Molecular FormulaC6H8OS
  • Average mass128.192 Da
  • Monoisotopic mass128.029587 Da
  • ChemSpider ID455235

More details:






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

(5-Methyl-2-furyl)methanethiol [ACD/IUPAC Name]
(5-Méthyl-2-furyl)méthanethiol [French] [ACD/IUPAC Name]
(5-Methyl-2-furyl)methanthiol [German] [ACD/IUPAC Name]
(5-Methylfuran-2-yl)methanethiol
2-Furanmethanethiol, 5-methyl- [ACD/Index Name]
59303-05-8 [RN]
5-Methyl-2-furanmethanethiol
T5OJ B1SH E1 [WLN]
2-(Mercaptomethyl)-5-methylfuran
2-Methyl-5-thiomethylfuran
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  • Experimental Physico-chemical Properties
  • Gas Chromatography
    • Retention Index (Kovats):

      1036 (estimated with error: 89) NIST Spectra mainlib_248991
    • Retention Index (Normal Alkane):

      993 (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: 2 K/min; Start T: 40 C; End T: 280 C; CAS no: 59303058; Active phase: DB-1; Carrier gas: He; Phase thickness: 1.0 um; Data type: Normal alkane RI; Authors: Tai, C.-Y.; Ho, C.-T., Influence of glutathione oxidation and pH on thermal formation of Maillard-type volatile compounds, J. Agric. Food Chem., 46(6), 1998, 2260-2265.) NIST Spectra nist ri
      1016 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; CAS no: 59303058; Active phase: DB-5; Data type: Normal alkane RI; Authors: Schieberle, P., Odour-active compounds in moderately roasted sesame, Food Chem., 55(2), 1996, 145-152.) NIST Spectra nist ri
      1527 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; CAS no: 59303058; Active phase: FFAP; Data type: Normal alkane RI; Authors: Schieberle, P., Odour-active compounds in moderately roasted sesame, Food Chem., 55(2), 1996, 145-152.) NIST Spectra nist ri
      1497 (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: 59303058; 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
      1473 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 70 C; End T: 180 C; CAS no: 59303058; Active phase: Carbowax 20M; Carrier gas: He; Data type: Normal alkane RI; Authors: Tressl, R.; Silwar, R., Investigation of sulfur-containing components in roasted coffee, J. Agric. Food Chem., 29, 1981, 1078-1082.) NIST Spectra nist ri
    • Retention Index (Linear):

      995 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C(2min)=>40C/min=>50C(5min) =>6C/min =>230C(15min); CAS no: 59303058; Active phase: SE-54; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hofmann, T.; Schieberle, P., Identification of key aroma compounds generated from cysteine and carbohydrates under roasting conditions, Z. Lebensm. Unters. Forsch. A, 207, 1998, 229-236., 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: 59303058; Active phase: SE-54; 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
      1497 (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: 59303058; 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
      1505 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Description: 35C(2min)=>40C/min=>60C(5min) =>6C/min =>230C(15min); CAS no: 59303058; Active phase: FFAP; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Hofmann, T.; Schieberle, P., Identification of key aroma compounds generated from cysteine and carbohydrates under roasting conditions, Z. Lebensm. Unters. Forsch. A, 207, 1998, 229-236.) NIST Spectra nist ri
      1500 (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: 59303058; 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

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

Density: 1.1±0.1 g/cm3
Boiling Point: 179.7±25.0 °C at 760 mmHg
Vapour Pressure: 1.3±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.9±3.0 kJ/mol
Flash Point: 62.5±23.2 °C
Index of Refraction: 1.521
Molar Refractivity: 36.2±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 2.36
ACD/LogD (pH 5.5): 2.35
ACD/BCF (pH 5.5): 35.78
ACD/KOC (pH 5.5): 450.51
ACD/LogD (pH 7.4): 2.34
ACD/BCF (pH 7.4): 35.57
ACD/KOC (pH 7.4): 447.82
Polar Surface Area: 52 Å2
Polarizability: 14.3±0.5 10-24cm3
Surface Tension: 34.3±3.0 dyne/cm
Molar Volume: 118.9±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) =  2.40

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  185.22  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -8.28  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.749  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  832.1
       log Kow used: 2.40 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  533 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.32E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.518E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.40  (KowWin est)
  Log Kaw used:  -2.023  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.423
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7412
   Biowin2 (Non-Linear Model)     :   0.8539
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8410  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5943  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3330
   Biowin6 (MITI Non-Linear Model):   0.3204
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2661
 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):  90.8 Pa (0.681 mm Hg)
  Log Koa (Koawin est  ): 4.423
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.3E-008 
       Octanol/air (Koa) model:  6.5E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.19E-006 
       Mackay model           :  2.64E-006 
       Octanol/air (Koa) model:  5.2E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 168.7328 E-12 cm3/molecule-sec
      Half-Life =     0.063 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     0.761 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1.92E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  454.7
      Log Koc:  2.658 

 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 = 1.149 (BCF = 14.09)
       log Kow used: 2.40 (estimated)

 Volatilization from Water:
    Henry LC:  0.000232 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      4.013  hours
    Half-Life from Model Lake :      138.7  hours   (5.78 days)

 Removal In Wastewater Treatment:
    Total removal:              12.49  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     2.55  percent
    Total to Air:                9.85  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.347           1.52         1000       
   Water     26.5            360          1000       
   Soil      73              720          1000       
   Sediment  0.158           3.24e+003    0          
     Persistence Time: 323 hr




                    

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