CAS Num: 004940-11-8
SMILES : O1C(CC)=C(O)C(=O)C=C1
CHEM   : 4H-Pyran-4-one, 2-ethyl-3-hydroxy-
MOL FOR: C7 H8 O3 
MOL WT : 140.14
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Water Solubility (mg/L):   ------
    Vapor Pressure (mm Hg) :   ------
    Henry LC (atm-m3/mole) :   ------
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------

 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  0.30
    Log Kow (Exper. database match) =  0.63
       Exper. Ref:  ELLIS,BL ET AL. (1996)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  283.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  70.54  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.000145  (Modified Grain method)
    VP (Pa, 25 deg C) :  0.0193  (Modified Grain method)
    Subcooled liquid VP: 0.00039 mm Hg (25 deg C, Mod-Grain method)
                       : 0.052 Pa (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.423e+004
       log Kow used: 0.63 (expkow database)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1476 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Vinyl/Allyl Ketones
       Vinyl/Allyl Ethers
       Vinyl/Allyl Alcohols

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   8.69E-006  atm-m3/mole  (8.80E-001 Pa-m3/mole)
   Group Method:   Incomplete
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  1.103E-009 atm-m3/mole  (1.118E-004 Pa-m3/mole)
      VP:   0.000145 mm Hg (source: MPBPVP)
      WS:   2.42E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.63  (exp database)
  Log Kaw used:  -3.449  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.079
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.4990
   Biowin2 (Non-Linear Model)     :   0.1486
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0183  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7430  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6378
   Biowin6 (MITI Non-Linear Model):   0.6718
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.1191
 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):  0.052 Pa (0.00039 mm Hg)
  Log Koa (Koawin est  ): 4.079
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  5.77E-005 
       Octanol/air (Koa) model:  2.94E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00208 
       Mackay model           :  0.00459 
       Octanol/air (Koa) model:  2.36E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  51.0213 E-12 cm3/molecule-sec
      Half-Life =     0.210 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.516 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.312500 E-17 cm3/molecule-sec
      Half-Life =     0.873 Days (at 7E11 mol/cm3)
      Half-Life =     20.955 Hrs
   Fraction sorbed to airborne particulates (phi):
      0.00334 (Junge-Pankow, Mackay avg)
      2.36E-007 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  10  L/kg (MCI method)
      Log Koc:  1.000       (MCI method)
      Koc    :  9.271  L/kg (Kow method)
      Log Koc:  0.967       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates (BCFBAF v3.00):
   Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -1.5007 days (HL = 0.03157 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.058 (BCF = 1.143)
   Log BAF Arnot-Gobas method (upper trophic) = 0.058 (BAF = 1.143)
       log Kow used: 0.63 (expkow database)

 Volatilization from Water:
    Henry LC:  8.69E-006 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      80.97  hours   (3.374 days)
    Half-Life from Model Lake :      982.5  hours   (40.94 days)

 Removal In Wastewater Treatment:
    Total removal:               2.34  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.49  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.584           4.06         1000       
   Water     40.2            360          1000       
   Soil      59.1            720          1000       
   Sediment  0.0905          3.24e+003    0          
     Persistence Time: 357 hr