ChemSpider 2D Image | (−)-Methyl L-lactate | C4H8O3

(−)-Methyl L-lactate

  • Molecular FormulaC4H8O3
  • Average mass104.104 Da
  • Monoisotopic mass104.047340 Da
  • ChemSpider ID85180

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(−)-Methyl L-lactate
(-)-2-hydroxypropanoic acid methyl ester
(-)-2-Hydroxypropionic acid methyl ester
(-)-Lactic acid methyl ester
(-)-Methyl lactate
(-)-Methyl L-lactate
(2S)-2-Hydroxypropanoate de méthyle [French] [ACD/IUPAC Name]
(2S)-2-hydroxypropionic acid methyl ester
(S)-(-)-LACTIC ACID METHYL ESTER
(S)-(-)-Methyl lactate
More...

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

0379G9C44S [DBID]
230340_ALDRICH [DBID]
UNII:0379G9C44S [DBID]
UNII-0379G9C44S [DBID]
ZINC01599068 [DBID]

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

Density: 1.1±0.1 g/cm3
Boiling Point: 145.3±8.0 °C at 760 mmHg
Vapour Pressure: 1.9±0.6 mmHg at 25°C
Enthalpy of Vaporization: 44.5±6.0 kJ/mol
Flash Point: 49.4±0.0 °C
Index of Refraction: 1.412
Molar Refractivity: 23.8±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -0.72
ACD/LogD (pH 5.5): -0.11
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 20.84
ACD/LogD (pH 7.4): -0.11
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 20.84
Polar Surface Area: 47 Å2
Polarizability: 9.5±0.5 10-24cm3
Surface Tension: 33.1±3.0 dyne/cm
Molar Volume: 95.9±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) =  -0.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  144.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -39.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.81  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -66 deg C
    BP  (exp database):  144.8 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -0.67 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (25 deg C)
        Exper. Ref:  DEAN,JA (1985)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
    Wat Sol (Exper. database match) =  1000000.00
       Exper. Ref:  DEAN,JA (1985)

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.63E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.479E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.67  (KowWin est)
  Log Kaw used:  -2.829  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.159
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0309
   Biowin2 (Non-Linear Model)     :   0.9988
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2693  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.0559  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8574
   Biowin6 (MITI Non-Linear Model):   0.9483
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8157
 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):  217 Pa (1.63 mm Hg)
  Log Koa (Koawin est  ): 2.159
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.38E-008 
       Octanol/air (Koa) model:  3.54E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.99E-007 
       Mackay model           :  1.1E-006 
       Octanol/air (Koa) model:  2.83E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.6298 E-12 cm3/molecule-sec
      Half-Life =     4.067 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    48.807 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 8.01E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1
      Log Koc:  0.000 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.183E+000  L/mol-sec
  Kb Half-Life at pH 8:       6.781  days   
  Kb Half-Life at pH 7:      67.808  days   

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 0.500 (BCF = 3.162)
       log Kow used: -0.67 (estimated)

 Volatilization from Water:
    Henry LC:  3.63E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       17.5  hours
    Half-Life from Model Lake :      276.4  hours   (11.52 days)

 Removal In Wastewater Treatment:
    Total removal:               3.76  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.73  percent
    Total to Air:                1.94  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       10.7            91.7         1000       
   Water     41.5            208          1000       
   Soil      47.7            416          1000       
   Sediment  0.072           1.87e+003    0          
     Persistence Time: 224 hr

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