ChemSpider 2D Image | D-ethyl 2-methylbutyrate | C7H14O2

D-ethyl 2-methylbutyrate

  • Molecular FormulaC7H14O2
  • Average mass130.185 Da
  • Monoisotopic mass130.099380 Da
  • ChemSpider ID5496221

  • defined stereocentres - 1 of 1 defined stereocentres

More details:

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

(2R)-2-Méthylbutanoate d'éthyle [French] [ACD/IUPAC Name]
10307-61-6 [RN]
Butanoic acid, 2-methyl-, ethyl ester, (2R)- [ACD/Index Name]
D-ethyl 2-methylbutyrate
Ethyl (2R)-2-methylbutanoate [ACD/IUPAC Name]
Ethyl-(2R)-2-methylbutanoat [German] [ACD/IUPAC Name]
(2R)-2-methylbutanoic acid ethyl ester
(2R)-2-methylbutyric acid ethyl ester
(r)-ethyl 2-methylbutanoate
231-225-4 [EINECS]
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

ZINC04261992 [DBID]

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

Density: 0.9±0.1 g/cm3
Boiling Point: 135.1±8.0 °C at 760 mmHg
Vapour Pressure: 7.9±0.2 mmHg at 25°C
Enthalpy of Vaporization: 37.3±3.0 kJ/mol
Flash Point: 26.1±0.0 °C
Index of Refraction: 1.404
Molar Refractivity: 36.2±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 4
#Rule of 5 Violations: 0
ACD/LogP: 2.12
ACD/LogD (pH 5.5): 1.99
ACD/BCF (pH 5.5): 18.99
ACD/KOC (pH 5.5): 286.31
ACD/LogD (pH 7.4): 1.99
ACD/BCF (pH 7.4): 18.99
ACD/KOC (pH 7.4): 286.31
Polar Surface Area: 26 Å2
Polarizability: 14.4±0.5 10-24cm3
Surface Tension: 25.6±3.0 dyne/cm
Molar Volume: 147.9±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) =  2.26

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  134.87  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -56.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  8.03  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1070
       log Kow used: 2.26 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2361.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.45E-004  atm-m3/mole
   Group Method:   6.89E-004  atm-m3/mole
 Henrys LC [VP/WSol estimate using EPI values]:  1.286E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.26  (KowWin est)
  Log Kaw used:  -1.652  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.912
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8597
   Biowin2 (Non-Linear Model)     :   0.9947
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0517  (weeks       )
   Biowin4 (Primary Survey Model) :   3.8889  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7180
   Biowin6 (MITI Non-Linear Model):   0.8840
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6553
 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):  988 Pa (7.41 mm Hg)
  Log Koa (Koawin est  ): 3.912
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.04E-009 
       Octanol/air (Koa) model:  2E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.1E-007 
       Mackay model           :  2.43E-007 
       Octanol/air (Koa) model:  1.6E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.8848 E-12 cm3/molecule-sec
      Half-Life =     2.753 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    33.040 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.76E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  36.12
      Log Koc:  1.558 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  1.453E-002  L/mol-sec
  Kb Half-Life at pH 8:       1.512  years  
  Kb Half-Life at pH 7:      15.118  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.043 (BCF = 11.05)
       log Kow used: 2.26 (estimated)

 Volatilization from Water:
    Henry LC:  0.000689 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      2.134  hours
    Half-Life from Model Lake :        119  hours   (4.956 days)

 Removal In Wastewater Treatment:
    Total removal:              24.75  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     2.06  percent
    Total to Air:               22.61  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       13.1            66.1         1000       
   Water     30.5            360          1000       
   Soil      56.2            720          1000       
   Sediment  0.149           3.24e+003    0          
     Persistence Time: 243 hr

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