ChemSpider 2D Image | 6-Hydroxy-2-oxo-2H-pyran-4-yl acetate | C7H6O5

6-Hydroxy-2-oxo-2H-pyran-4-yl acetate

  • Molecular FormulaC7H6O5
  • Average mass170.120 Da
  • Monoisotopic mass170.021530 Da
  • ChemSpider ID216043

More details:

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

2H-Pyran-2-one, 4-(acetyloxy)-6-hydroxy- [ACD/Index Name]
4-(Acetyloxy)-6-hydroxy-2H-pyran-2-one
6630-34-8 [RN]
6-Hydroxy-2-oxo-2H-pyran-4-yl acetate [ACD/IUPAC Name]
6-Hydroxy-2-oxo-2H-pyran-4-yl-acetat [German] [ACD/IUPAC Name]
Acétate de 6-hydroxy-2-oxo-2H-pyran-4-yle [French] [ACD/IUPAC Name]
75014-44-7 [RN]

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

NSC60391 [DBID]

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

Density: 1.5±0.1 g/cm3
Boiling Point: 270.5±40.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.2 mmHg at 25°C
Enthalpy of Vaporization: 59.1±6.0 kJ/mol
Flash Point: 112.4±20.8 °C
Index of Refraction: 1.547
Molar Refractivity: 37.0±0.4 cm3
#H bond acceptors: 5
#H bond donors: 1
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: -0.21
ACD/LogD (pH 5.5): -1.18
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 2.09
ACD/LogD (pH 7.4): -2.95
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 1.00
Polar Surface Area: 73 Å2
Polarizability: 14.7±0.5 10-24cm3
Surface Tension: 54.1±5.0 dyne/cm
Molar Volume: 116.7±5.0 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) =  -1.53

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  340.08  (Adapted Stein & Brown method)
    Melting Pt (deg C):  85.55  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.63E-006  (Modified Grain method)
    Subcooled liquid VP: 1E-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):  1e+006
       log Kow used: -1.53 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  71088 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Acrylates
       Esters
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.69E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.887E-013 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.53  (KowWin est)
  Log Kaw used:  -7.161  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.631
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1736
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2636  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.1897  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.0674
   Biowin6 (MITI Non-Linear Model):   0.9731
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.0859
 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):  0.00133 Pa (1E-005 mm Hg)
  Log Koa (Koawin est  ): 5.631
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00225 
       Octanol/air (Koa) model:  1.05E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0752 
       Mackay model           :  0.153 
       Octanol/air (Koa) model:  8.4E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  91.1822 E-12 cm3/molecule-sec
      Half-Life =     0.117 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     1.408 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.810000 E-17 cm3/molecule-sec
      Half-Life =     1.415 Days (at 7E11 mol/cm3)
      Half-Life =     33.956 Hrs
   Fraction sorbed to airborne particulates (phi): 0.114 (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: -1.53 (estimated)

 Volatilization from Water:
    Henry LC:  1.69E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 4.519E+005  hours   (1.883E+004 days)
    Half-Life from Model Lake :  4.93E+006  hours   (2.054E+005 days)

 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.75  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0574          2.6          1000       
   Water     35.5            208          1000       
   Soil      64.4            416          1000       
   Sediment  0.0614          1.87e+003    0          
     Persistence Time: 361 hr

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