ChemSpider 2D Image | 25IZE8ZJA2 | C4H8O2S

25IZE8ZJA2

  • Molecular FormulaC4H8O2S
  • Average mass120.170 Da
  • Monoisotopic mass120.024498 Da
  • ChemSpider ID93767

More details:






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

258-856-8 [EINECS]
25IZE8ZJA2
2-Sulfanylpropanoate de méthyle [French] [ACD/IUPAC Name]
53907-46-3 [RN]
methyl 2-mercaptopropionate
METHYL 2-MERCAPTOPROPIONATE, (R)-
METHYL 2-MERCAPTOPROPIONATE, (S)-
Methyl 2-sulfanylpropanoate [ACD/IUPAC Name]
Methyl mercaptopropionate
Methyl-2-sulfanylpropanoat [German] [ACD/IUPAC Name]
More...

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

93ZU53PAU6 [DBID]
G5T7543ZOK [DBID]
  • Gas Chromatography
    • Retention Index (Kovats):

      826 (estimated with error: 89) NIST Spectra mainlib_2176
      813 (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: 53907463; 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.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Density: 1.1±0.1 g/cm3
Boiling Point: 149.3±13.0 °C at 760 mmHg
Vapour Pressure: 4.1±0.3 mmHg at 25°C
Enthalpy of Vaporization: 38.6±3.0 kJ/mol
Flash Point: 40.0±7.8 °C
Index of Refraction: 1.450
Molar Refractivity: 30.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 1.00
ACD/LogD (pH 5.5): 1.16
ACD/BCF (pH 5.5): 4.49
ACD/KOC (pH 5.5): 101.91
ACD/LogD (pH 7.4): 1.13
ACD/BCF (pH 7.4): 4.15
ACD/KOC (pH 7.4): 94.17
Polar Surface Area: 65 Å2
Polarizability: 12.0±0.5 10-24cm3
Surface Tension: 30.9±3.0 dyne/cm
Molar Volume: 112.5±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) =  0.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  145.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -51.66  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  4.97  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.365e+004
       log Kow used: 0.73 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  22207 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   8.26E-006  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.323E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.73  (KowWin est)
  Log Kaw used:  -3.471  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.201
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8645
   Biowin2 (Non-Linear Model)     :   0.9954
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0738  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9033  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6485
   Biowin6 (MITI Non-Linear Model):   0.8087
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6829
 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):  608 Pa (4.56 mm Hg)
  Log Koa (Koawin est  ): 4.201
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.93E-009 
       Octanol/air (Koa) model:  3.9E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.78E-007 
       Mackay model           :  3.95E-007 
       Octanol/air (Koa) model:  3.12E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  37.5758 E-12 cm3/molecule-sec
      Half-Life =     0.285 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.416 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.86E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10.14
      Log Koc:  1.006 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  4.628E-002  L/mol-sec
  Kb Half-Life at pH 8:     173.333  days   
  Kb Half-Life at pH 7:       4.746  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: 0.73 (estimated)

 Volatilization from Water:
    Henry LC:  8.26E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      78.82  hours   (3.284 days)
    Half-Life from Model Lake :      951.8  hours   (39.66 days)

 Removal In Wastewater Treatment:
    Total removal:               2.32  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                0.46  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.04            6.83         1000       
   Water     46              360          1000       
   Soil      52.9            720          1000       
   Sediment  0.0885          3.24e+003    0          
     Persistence Time: 332 hr




                    

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