ChemSpider 2D Image | 6-Ethyl-4-hydroxy-3-methyl-2H-pyran-2-one | C8H10O3

6-Ethyl-4-hydroxy-3-methyl-2H-pyran-2-one

  • Molecular FormulaC8H10O3
  • Average mass154.163 Da
  • Monoisotopic mass154.062988 Da
  • ChemSpider ID10499738

More details:






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

2H-Pyran-2-one, 6-ethyl-4-hydroxy-3-methyl- [ACD/Index Name]
6-Ethyl-4-hydroxy-3-methyl-2H-pyran-2-on [German] [ACD/IUPAC Name]
6-Ethyl-4-hydroxy-3-methyl-2H-pyran-2-one [ACD/IUPAC Name]
6-Éthyl-4-hydroxy-3-méthyl-2H-pyran-2-one [French] [ACD/IUPAC Name]
34818-17-2 [RN]
marilactone

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 1.2±0.1 g/cm3
Boiling Point: 260.1±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 57.8±6.0 kJ/mol
Flash Point: 111.9±20.1 °C
Index of Refraction: 1.526
Molar Refractivity: 39.6±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.27
ACD/LogD (pH 5.5): 0.60
ACD/BCF (pH 5.5): 1.40
ACD/KOC (pH 5.5): 35.86
ACD/LogD (pH 7.4): -1.02
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 47 Å2
Polarizability: 15.7±0.5 10-24cm3
Surface Tension: 41.3±3.0 dyne/cm
Molar Volume: 129.1±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) =  0.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  323.22  (Adapted Stein & Brown method)
    Melting Pt (deg C):  71.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.1E-005  (Modified Grain method)
    Subcooled liquid VP: 3.01E-005 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.97e+004
       log Kow used: 0.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2371.3 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.91E-007  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  7.513E-011 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.46  (KowWin est)
  Log Kaw used:  -4.925  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.385
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0071
   Biowin2 (Non-Linear Model)     :   0.9976
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1587  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9837  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8148
   Biowin6 (MITI Non-Linear Model):   0.8831
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9340
 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):  0.00401 Pa (3.01E-005 mm Hg)
  Log Koa (Koawin est  ): 5.385
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000748 
       Octanol/air (Koa) model:  5.96E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0263 
       Mackay model           :  0.0564 
       Octanol/air (Koa) model:  4.77E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant = 101.1273 E-12 cm3/molecule-sec
      Half-Life =     0.106 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.269 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =   410.670013 E-17 cm3/molecule-sec
      Half-Life =     0.003 Days (at 7E11 mol/cm3)
      Half-Life =      4.018 Min
   Fraction sorbed to airborne particulates (phi): 0.0414 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  10
      Log Koc:  1.000 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 0.46 (estimated)

 Volatilization from Water:
    Henry LC:  2.91E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       2499  hours   (104.1 days)
    Half-Life from Model Lake : 2.737E+004  hours   (1140 days)

 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                0.02  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.00987         0.0653       1000       
   Water     47.1            360          1000       
   Soil      52.8            720          1000       
   Sediment  0.0886          3.24e+003    0          
     Persistence Time: 341 hr




                    

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