PLANNED MAINTENANCE

There will be scheduled maintenance work beginning on Wednesday 26th February 2020 from 11:00 AM through to 12.00 PM (GMT).

During this time, you may not be able to log into ChemSpider. We apologise for any inconvenience this might cause and thank you for your patience.


ChemSpider 2D Image | 3310 | C5H10OS

3310

  • Molecular FormulaC5H10OS
  • Average mass118.197 Da
  • Monoisotopic mass118.045235 Da
  • ChemSpider ID56225

More details:






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

219-407-1 [EINECS]
2432-51-1 [RN]
3310
Butanethioate de S-méthyle [French] [ACD/IUPAC Name]
Butanethioic acid, S-methyl ester [ACD/Index Name]
Methyl thiobutyrate
MFCD00009872 [MDL number]
S-Methyl butanethioate [ACD/IUPAC Name]
S-Methyl thiobutanoate
S-Methyl Thiobutyrate
More...

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

2P1E432MYZ [DBID]
277819_ALDRICH [DBID]
FEMA No. 3310 [DBID]
UNII:2P1E432MYZ [DBID]
UNII-2P1E432MYZ [DBID]
W331007_ALDRICH [DBID]
ZINC00409240 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless to pale yellow liquid with putrid, rancid, sour, pungent cabbage odour (powerful sweet cheesy odour in dilute solution) Food and Agriculture Organization of the United Nations S-Methyl butanethioate
    • Safety:

      10-36/37/38 Alfa Aesar B22144
      26-37 Alfa Aesar B22144
      3 Alfa Aesar B22144
      GHS02; GHS07 Biosynth Q-100312
      H226; H315; H319; H335 Biosynth Q-100312
      H226-H315-H319-H335 Alfa Aesar B22144
      P210; P261; P305+P351+P338 Biosynth Q-100312
      P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar B22144
      Warning Alfa Aesar B22144
      Warning Biosynth Q-100312
  • Gas Chromatography
    • Retention Index (Kovats):

      905 (estimated with error: 89) NIST Spectra mainlib_25797, replib_99431, replib_238747
      874 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 2432511; Active phase: Apiezon M; Carrier gas: He or N2; Substrate: Chromosorb W, AW-DMCS; Data type: Kovats RI; Authors: Garbuzov, V.G.; Misharina, T.A.; Aerov, A.F.; Golovnya, R.V., Gas chromatographic retention indices for sulphur(II)-containing organic substances, J. Anal. Chem. USSR (Engl. Transl.), 40(4), 1985, 576-586, In original 709-720., Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 2.1 m; Column type: Packed; Start T: 130 C; CAS no: 2432511; Active phase: Apiezon M; Substrate: Chromosorb W, AW/DMCS; Data type: Kovats RI; Authors: Golovnya, R.V.; Garbuzov, V.G.; Aerov, A.F., Comparison of the retention indices and differential molar free energies of solution for thiolic and carboxylic esters on gas-chromatographic columns with various polarities, Izv. Akad. Nauk SSSR Ser. Khim., 10, 1981, 1877-1880, In original 2284-2288.) NIST Spectra nist ri
    • Retention Index (Normal Alkane):

      867 (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: 30 C; End T: 210 C; CAS no: 2432511; Active phase: DB-1; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kumazawa, K.; Itobe, T.; Nishimura, O.; Hamaguchi, T., A new approach to estimate the in-mouth release characteristics of odorants in chewing gum, Food Science and Technology Research, 14(3), 2008, 269-276.) NIST Spectra nist ri
      863 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 6 K/min; Start T: 50 C; End T: 250 C; CAS no: 2432511; Active phase: OV-101; Carrier gas: N2/He; Phase thickness: 0.10 um; Data type: Normal alkane RI; Authors: Zenkevich, I.G., Experimentally measured retention indices., 2005.) NIST Spectra nist ri
      870 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 36C=>20C/min=>120C(20min)=>2C/min=>250C(30min); CAS no: 2432511; Active phase: CP Sil 5 CB; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Lermusieau, G.; Bulens, M.; Collin, S., Use of GC-olfactometry to identify the hop aromatic compounds in beer, J. Agric. Food Chem., 49, 2001, 3867-3874.) NIST Spectra nist ri
      869 (Program type: Complex; Column... (show more) class: Standard non-polar; Column diameter: 0.32 mm; Column length: 50 m; Column type: Capillary; Description: 33C (16.5min) =>2C/min => 160C => 20C/min => 200C (9min); CAS no: 2432511; Active phase: CP Sil 5 CB; Carrier gas: He; Phase thickness: 1.2 um; Data type: Normal alkane RI; Authors: Gijs, L.; Piraprez, G.; Perpete, P.; Spinnler, E.; Collin, S., Retention of sulfur flavours by food matrix and determination of sensorial data independent of the medium composition, Food Chem., 69, 2000, 319-330.) NIST Spectra nist ri
      1195 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 2432511; 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
      1215 (Program type: Ramp; Column cl... (show more) ass: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 30 C; End T: 210 C; CAS no: 2432511; Active phase: DB-Wax; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kumazawa, K.; Itobe, T.; Nishimura, O.; Hamaguchi, T., A new approach to estimate the in-mouth release characteristics of odorants in chewing gum, Food Science and Technology Research, 14(3), 2008, 269-276.) NIST Spectra nist ri
    • Retention Index (Linear):

      1198 (Program type: Complex; Column... (show more) class: Standard polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 35C(8min) =>4C/min =>60C =>6C/min =>160C=>20C/min =>200C(1min); CAS no: 2432511; Active phase: Supelcowax-10; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Bianchi, F.; Careri, M.; Mangia, A.; Musci, M., Retention indices in the analysis of food aroma volatile compounds in temperature-programmed gas chromatography: Database creation and evaluation of precision and robustness, J. Sep. Sci., 39, 2007, 563-572.) 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: 141.4±9.0 °C at 760 mmHg
Vapour Pressure: 5.9±0.3 mmHg at 25°C
Enthalpy of Vaporization: 37.9±3.0 kJ/mol
Flash Point: 34.4±0.0 °C
Index of Refraction: 1.457
Molar Refractivity: 33.2±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 1.79
ACD/LogD (pH 5.5): 1.76
ACD/BCF (pH 5.5): 12.80
ACD/KOC (pH 5.5): 215.90
ACD/LogD (pH 7.4): 1.76
ACD/BCF (pH 7.4): 12.80
ACD/KOC (pH 7.4): 215.90
Polar Surface Area: 42 Å2
Polarizability: 13.2±0.5 10-24cm3
Surface Tension: 30.4±3.0 dyne/cm
Molar Volume: 122.2±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) =  1.21

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  160.71  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -31.27  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.43  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  9515
       log Kow used: 1.21 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  15640 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.10E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.972E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.21  (KowWin est)
  Log Kaw used:  -2.347  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.557
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6913
   Biowin2 (Non-Linear Model)     :   0.7909
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9380  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6772  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4602
   Biowin6 (MITI Non-Linear Model):   0.5028
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7289
 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):  295 Pa (2.21 mm Hg)
  Log Koa (Koawin est  ): 3.557
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.02E-008 
       Octanol/air (Koa) model:  8.85E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.68E-007 
       Mackay model           :  8.14E-007 
       Octanol/air (Koa) model:  7.08E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   6.2291 E-12 cm3/molecule-sec
      Half-Life =     1.717 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    20.605 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 5.91E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  15.22
      Log Koc:  1.182 

 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 = 0.228 (BCF = 1.692)
       log Kow used: 1.21 (estimated)

 Volatilization from Water:
    Henry LC:  0.00011 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      6.896  hours
    Half-Life from Model Lake :      166.4  hours   (6.933 days)

 Removal In Wastewater Treatment:
    Total removal:               7.14  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.74  percent
    Total to Air:                5.31  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       7.88            41.2         1000       
   Water     42.5            360          1000       
   Soil      49.5            720          1000       
   Sediment  0.0897          3.24e+003    0          
     Persistence Time: 261 hr




                    

Click to predict properties on the Chemicalize site






Advertisement