CAS Num: 000050-81-7
SMILES : O1C(=O)C(O)=C(O)C1C(O)CO
CHEM   : L-Ascorbic acid
MOL FOR: C6 H8 O6 
MOL WT : 176.13
------------------------------ 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) =  -1.88
    Log Kow (Exper. database match) =  -1.85
       Exper. Ref:  AVDEEF,A (1997)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  424.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  155.71  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.79E-010  (Modified Grain method)
    VP (Pa, 25 deg C) :  2.38E-008  (Modified Grain method)
    MP  (exp database):  168.5 deg C
    Subcooled liquid VP: 5.4E-009 mm Hg (25 deg C, Mod-Grain method)
                       : 7.2E-007 Pa (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: -1.85 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  4e+005 mg/L (40 deg C)
        Exper. Ref:  MERCK INDEX (1996)
     Water Sol (Exper. database match) =  4e+005 mg/L (25 deg C)
        Exper. Ref:  MERCK INDEX (1996)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Acrylates
       Vinyl/Allyl Alcohols
       Vinyl/Allyl Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   4.07E-008  atm-m3/mole  (4.13E-003 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:  4.148E-017 atm-m3/mole  (4.203E-012 Pa-m3/mole)
      VP:   1.79E-010 mm Hg (source: MPBPVP)
      WS:   1E+006 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -1.85  (exp database)
  Log Kaw used:  -5.779  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.929
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.4728
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.5900  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.3404  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.1876
   Biowin6 (MITI Non-Linear Model):   0.9838
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.4386
 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):  7.2E-007 Pa (5.4E-009 mm Hg)
  Log Koa (Koawin est  ): 3.929
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.17 
       Octanol/air (Koa) model:  2.08E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.993 
       Mackay model           :  0.997 
       Octanol/air (Koa) model:  1.67E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  55.7969 E-12 cm3/molecule-sec
      Half-Life =     0.192 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.300 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     1.137500 E-17 cm3/molecule-sec
      Half-Life =     1.007 Days (at 7E11 mol/cm3)
      Half-Life =     24.179 Hrs
   Fraction sorbed to airborne particulates (phi):
      0.995 (Junge-Pankow, Mackay avg)
      1.67E-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    :  0.1031  L/kg (Kow method)
      Log Koc:  -0.987      (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) = -3.7185 days (HL = 0.0001912 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.8933)
   Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.8933)
       log Kow used: -1.85 (expkow database)

 Volatilization from Water:
    Henry LC:  4.07E-008 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.909E+004  hours   (795.5 days)
    Half-Life from Model Lake : 2.084E+005  hours   (8683 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       0.572           3.87         1000       
   Water     35.6            208          1000       
   Soil      63.8            416          1000       
   Sediment  0.0749          1.87e+003    0          
     Persistence Time: 271 hr