ChemSpider 2D Image | 4004 | C3H8OS

4004

  • Molecular FormulaC3H8OS
  • Average mass92.160 Da
  • Monoisotopic mass92.029587 Da
  • ChemSpider ID71259

More details:






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

2-(Methylmercapto)ethanol
2-(Methylsulfanyl)ethanol [ACD/IUPAC Name]
2-(Methylsulfanyl)ethanol [German] [ACD/IUPAC Name]
2-(Méthylsulfanyl)éthanol [French] [ACD/IUPAC Name]
2-(Methylthio) ethanol
2-(Methylthio)ethanol
226-090-3 [EINECS]
2-Hydroxyethyl methyl sulfide
2-METHYLTHIOETHANOL
4004
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

5K6TOE95UY [DBID]
CHEBI:63861 [DBID]
MFCD00002908 [DBID]
226424_ALDRICH [DBID]
AI3-17419 [DBID]
NSC 1902 [DBID]
NSC1902 [DBID]
UNII:5K6TOE95UY [DBID]
UNII-5K6TOE95UY [DBID]
W400408_ALDRICH [DBID]
More...
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless to pale yellow liquid; powerful meat-like aroma Food and Agriculture Organization of the United Nations 2-(Methylthio)ethanol
    • Safety:

      20/22 Alfa Aesar L05442
      23-36 Alfa Aesar L05442
      9 Alfa Aesar L05442
      H302-H332 Alfa Aesar L05442
      HARMFUL Alfa Aesar L05442
      P260-P280f Alfa Aesar L05442
      Warning Alfa Aesar L05442
      WARNING: Irritates skin and eyes, harmful if swallowed Alfa Aesar L05442
    • Chemical Class:

      A primary alcohol that is the <stereo>S</stereo>-methyl derivative of mercaptoethanol. It is found as a volatile component in <ital>Cucumis melo Var. cantalupensis</ital>. ChEBI CHEBI:63861
  • Gas Chromatography
    • Retention Index (Kovats):

      813 (estimated with error: 89) NIST Spectra mainlib_230501, replib_249890
    • Retention Index (Normal Alkane):

      813 (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: 4 K/min; Start T: 30 C; End T: 200 C; End time: 20 min; Start time: 25 min; CAS no: 5271385; Active phase: DB-1; Data type: Normal alkane RI; Authors: Hansen, M.; Buttery, R.G.; Stern, D.J.; Cantwell, M.I.; Ling, L.C., Broccoli storage under low-oxygen atmosphere: Identification of higher boiling volatiles, J. Agric. Food Chem., 40(5), 1992, 850-852.) NIST Spectra nist ri
      841.7 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C (6min) => 2.5C/min => 150C => 90C/min => 250C; CAS no: 5271385; Active phase: HP-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Jordan, M.J.; Shaw, P.E.; Goodner, K.L., Volatile components in aqueous essence and fresh fruit of Cucumis melo cv. Athena (muskmelon) by GC-MS and GC-O, J. Agric. Food Chem., 49, 2001, 5929-5933.) NIST Spectra nist ri
      1485 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 5271385; Active phase: EC-1000; Data type: Normal alkane RI; Authors: Delabre, M.-L.; Bendall, J.F., Flavour ingredients from fermented dairy streams, Expression of Multidisciplinary Flavour Sci., , 9999, 375-378.) NIST Spectra nist ri
      1531 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 230 C; End time: 15 min; Start time: 2 min; CAS no: 5271385; Active phase: CP Wax 52 CB; Carrier gas: Helium; Phase thickness: 0.50 um; Data type: Normal alkane RI; Authors: Birtic, S.; Ginies, C.; Causse, M.; Renard, C.M.G.C.; Page, D., Changes in volatiles and glycosides during fruit maturartion of two contrasted tomato (Solanum lycopersicum) lines, J. Agric. Food Chem., 57(2), 2009, 591-598.) NIST Spectra nist ri
      1520 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 60 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 220 C; End time: 10 min; Start time: 10 min; CAS no: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Hayata, Y.; Sakamoto, T.; Kozuka, H.; Sakamoto, K.; Osajima, Y., Analysis of aromatic volatile compounds in 'Miyabi' melon (Cucumis melo L.) using the Porapak Q column, J. Jpn. Soc. Hortic. Sci., 71(4), 2002, 517-525.) NIST Spectra nist ri
      1523 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 220 C; End time: 20 min; Start time: 4 min; CAS no: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Osorio, C.; Duque, C.; Suarez, M.; Salamanca, L.E.; Uruena, F., Free, glycosidically bound, and phosphate bound flavor constituents of badea (Passiflora quadrangularis) fruit pulp, J. Sep. Sci., 25, 2002, 147-154.) NIST Spectra nist ri
      1526 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 50 C; End T: 220 C; End time: 20 min; Start time: 4 min; CAS no: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Osorio, C.; Duque, C.; Suarez, M.; Salamanca, L.E.; Uruena, F., Free, glycosidically bound, and phosphate bound flavor constituents of badea (Passiflora quadrangularis) fruit pulp, J. Sep. Sci., 25, 2002, 147-154., 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: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Umano, K.; Nakahara, K.; Shoji, A.; Shibamoto, T., Aroma chemicals isolated and identified from leaves of aloe arborescens Mill. Var. natalensis Berger, J. Agric. Food Chem., 47, 1999, 3702-3705.) NIST Spectra nist ri
      1516 (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: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Umano, K.; Hagi, Y.; Shibamoto, T., Volatile chemicals identified in extracts from newly hybrid citrus, dekopon (Shiranuhi mandarin Suppl. J.), J. Agric. Food Chem., 50, 2002, 5355-5359.) NIST Spectra nist ri
      1533 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 180 C; End time: 40 min; CAS no: 5271385; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, K.-G.; Shibamoto, T., Antioxidant properties of aroma compounds isolated from soybeans and mung beans, J. Agric. Food Chem., 48, 2000, 4290-4293.) NIST Spectra nist ri
      1537 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 40 C; End T: 190 C; End time: 10 min; Start time: 3 min; CAS no: 5271385; Active phase: HP-Innowax; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kubec, R.; Drhova, V.; Velisek, J., Thermal degradation of S-methylcysteine and its sulfoxide-important flavor precursors of Bassica and Allium vegetables, J. Agric. Food Chem., 46, 1998, 4334-4340.) NIST Spectra nist ri
    • Retention Index (Linear):

      810 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 250 C; Start time: 5 min; CAS no: 5271385; Active phase: SPB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Lee, C.-J.; DeMilo, A.B.; Moreno, D.S.; Martinez, A.J., Analysis of the volatile components of a bacterial fermentation that is attractive to the Mexican fruit fly, Anastrepha ludens, J. Agric. Food Chem., 43, 1995, 1348-1351.) NIST Spectra nist ri
      838 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 40C(5min)=>2C/min=>220C=>5C/min=>250C(15min); CAS no: 5271385; Active phase: DB-5; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Boulanger, R.; Chassagne, D.; Crouzet, J., Free and bound flavour components of amazonian fruits. 1: Bacuri, Flavour Fragr. J., 14, 1999, 303-311.) NIST Spectra nist ri
      1497 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(5min) =>3C/min =>150C =>5C/min =>250C(10 min); CAS no: 5271385; Active phase: SOLGel-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Aubert, C.; Baumann, S.; Arguel, H., Optimization of the Analysis of Flavor Volatile Compounds by Liquid-Liquid Microextraction (LLME). Application to the Aroma Analysis of Melons, Peaches, Grapes, Strawberries, and Tomatoes, J. Agric. Food Chem., 53, 2005, 8881-8895.) NIST Spectra nist ri
      1502 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(5min)=>3C/min=>150C => 5C/min => 250C (10min); CAS no: 5271385; Active phase: SOLGel-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Aubert, C.; Baumann, S.; Arguel, H., Optimization of the Analysis of Flavor Volatile Compounds by Liquid-Liquid Microextraction (LLME). Application to the Aroma Analysis of Melons, Peaches, Grapes, Strawberries, and Tomatoes, J. Agric. Food Chem., 53, 2005, 8881-8895.) NIST Spectra nist ri
      1515 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 40 C; End T: 250 C; End time: 20 min; Start time: 3 min; CAS no: 5271385; Active phase: DB-Wax; Carrier gas: H2; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Aubert, C.; Bourger, N., Investigation of volatiles in charentais cantaloupe melons (Cucumis melo Var. cantalupensis). Characterization of aroma constituents in some cultivars, J. Agric. Food Chem., 52, 2004, 4522-4528., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.32 mm; Column length: 60 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 65 C; End T: 250 C; End time: 60 min; Start time: 10 min; CAS no: 5271385; Active phase: AT-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Pino, J.; Almora, K.; Marbot, R., Volatile components of papaya (Carica papaya L., maradol variety) fruit, Flavour Fragr. J., 18, 2003, 492-496.) NIST Spectra nist ri
      1534 (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: 35 C; End T: 195 C; End time: 90 min; Start time: 5 min; CAS no: 5271385; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Chung, H.Y., Volatile components in fermented soybean (Glycine max) curds, J. Agric. Food Chem., 47, 1999, 2690-2696.) 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: 170.0±0.0 °C at 760 mmHg
Vapour Pressure: 0.5±0.6 mmHg at 25°C
Enthalpy of Vaporization: 47.3±6.0 kJ/mol
Flash Point: 70.0±0.0 °C
Index of Refraction: 1.481
Molar Refractivity: 25.5±0.3 cm3
#H bond acceptors: 1
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 0.09
ACD/LogD (pH 5.5): 0.50
ACD/BCF (pH 5.5): 1.40
ACD/KOC (pH 5.5): 44.36
ACD/LogD (pH 7.4): 0.50
ACD/BCF (pH 7.4): 1.40
ACD/KOC (pH 7.4): 44.36
Polar Surface Area: 46 Å2
Polarizability: 10.1±0.5 10-24cm3
Surface Tension: 35.7±3.0 dyne/cm
Molar Volume: 89.5±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) =  -0.05

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  156.19  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -38.42  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.954  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.369e+005
       log Kow used: -0.05 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.0913e+005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.81E-008  atm-m3/mole
   Group Method:   2.28E-008  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  8.450E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.05  (KowWin est)
  Log Kaw used:  -5.808  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.758
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8624
   Biowin2 (Non-Linear Model)     :   0.9436
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1555  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8442  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6984
   Biowin6 (MITI Non-Linear Model):   0.8517
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9413
 Ready Biodegradability Prediction:   YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  114 Pa (0.853 mm Hg)
  Log Koa (Koawin est  ): 5.758
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.64E-008 
       Octanol/air (Koa) model:  1.41E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  9.53E-007 
       Mackay model           :  2.11E-006 
       Octanol/air (Koa) model:  1.12E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  15.8825 E-12 cm3/molecule-sec
      Half-Life =     0.673 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.081 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Reaction With Nitrate Radicals May Be Important!
   Fraction sorbed to airborne particulates (phi): 1.53E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.443
      Log Koc:  0.388 

 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 = 0.500 (BCF = 3.162)
       log Kow used: -0.05 (estimated)

 Volatilization from Water:
    Henry LC:  2.28E-008 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River: 2.465E+004  hours   (1027 days)
    Half-Life from Model Lake :  2.69E+005  hours   (1.121E+004 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.421           16.2         1000       
   Water     40.5            360          1000       
   Soil      59.1            720          1000       
   Sediment  0.0746          3.24e+003    0          
     Persistence Time: 507 hr




                    

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