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ChemSpider 2D Image | S-Methyl 3-methylbutanethioate | C6H12OS

S-Methyl 3-methylbutanethioate

  • Molecular FormulaC6H12OS
  • Average mass132.224 Da
  • Monoisotopic mass132.060883 Da
  • ChemSpider ID81472

More details:






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

23747-45-7 [RN]
245-863-6 [EINECS]
3-Méthylbutanethioate de S-méthyle [French] [ACD/IUPAC Name]
Butanethioic acid, 3-methyl-, S-methyl ester [ACD/Index Name]
S-Methyl 3-methylbutanethioate [ACD/IUPAC Name]
S-Methyl-3-methylbutanthioat [German] [ACD/IUPAC Name]
(1-methyl-1H-pyrazol-5-yl)methanamine
[23747-45-7]
1-amino-3-(1-naphthalenyloxy)-2-propanol
3-methyl-1-(methylsulfanyl)butan-1-one
More...

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

UB23WZ59H0 [DBID]
UNII:UB23WZ59H0 [DBID]
UNII-UB23WZ59H0 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
  • Gas Chromatography
    • Retention Index (Kovats):

      940 (estimated with error: 89) NIST Spectra mainlib_99433
    • Retention Index (Normal Alkane):

      913 (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: 23747457; 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
      921 (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: 23747457; 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
      938 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C(1min) =>5C/min =>100C =>10C/min =>250C (9min); CAS no: 23747457; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Beaulieu, J.C.; Lancaster, V.A., Correlating Volatile Compounds, Sensory Attributes, and Quality Parameters in Stored Fresh-Cut Cantaloupe, J. Agric. Food Chem., 55, 2007, 9503-9513.) NIST Spectra nist ri
      1225 (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: 35 C; End T: 230 C; End time: 15 min; Start time: 5 min; CAS no: 23747457; Active phase: EC-1000; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Bendall, J.G., Aroma compounds of fresh milk from New Zealand cows fed different diets, J. Agric. Food Chem., 49, 2001, 4825-4832., Program type: Ramp; Column cl... (show more) ass: Standard polar; Column type: Capillary; CAS no: 23747457; 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
    • Retention Index (Linear):

      938 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: 50C (1min) =>5C/min => 100C => 10C/min => 250C (9min); CAS no: 23747457; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Beaulieu, J.C.; Grimm, C.C., Identification of volatile compounds in cantaloupe at various developmental stages using solid phase microextraction, J. Agric. Food Chem., 49, 2001, 1345-1352.) 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: 158.1±9.0 °C at 760 mmHg
Vapour Pressure: 2.7±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.5±3.0 kJ/mol
Flash Point: 44.0±12.3 °C
Index of Refraction: 1.456
Molar Refractivity: 37.8±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.13
ACD/LogD (pH 5.5): 2.31
ACD/BCF (pH 5.5): 33.58
ACD/KOC (pH 5.5): 430.47
ACD/LogD (pH 7.4): 2.31
ACD/BCF (pH 7.4): 33.58
ACD/KOC (pH 7.4): 430.47
Polar Surface Area: 42 Å2
Polarizability: 15.0±0.5 10-24cm3
Surface Tension: 29.5±3.0 dyne/cm
Molar Volume: 139.0±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) =  1.62

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  169.23  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -30.65  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.62  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3701
       log Kow used: 1.62 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  8514.7 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.46E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.615E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.62  (KowWin est)
  Log Kaw used:  -2.224  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.844
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6846
   Biowin2 (Non-Linear Model)     :   0.7561
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9070  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6570  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3188
   Biowin6 (MITI Non-Linear Model):   0.2883
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4575
 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):  196 Pa (1.47 mm Hg)
  Log Koa (Koawin est  ): 3.844
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.53E-008 
       Octanol/air (Koa) model:  1.71E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.53E-007 
       Mackay model           :  1.22E-006 
       Octanol/air (Koa) model:  1.37E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  10.3198 E-12 cm3/molecule-sec
      Half-Life =     1.036 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    12.437 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 8.89E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  23.53
      Log Koc:  1.372 

 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 = 0.550 (BCF = 3.548)
       log Kow used: 1.62 (estimated)

 Volatilization from Water:
    Henry LC:  0.000146 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      5.785  hours
    Half-Life from Model Lake :      159.5  hours   (6.647 days)

 Removal In Wastewater Treatment:
    Total removal:               8.67  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.81  percent
    Total to Air:                6.77  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       5.54            24.9         1000       
   Water     38              360          1000       
   Soil      56.4            720          1000       
   Sediment  0.0968          3.24e+003    0          
     Persistence Time: 267 hr




                    

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