CAS Number: 133-38-0
SMILES : O=C(C(=C(C(=O)O)O)O)O
CHEM   : 2-Butenedioic acid, 2,3-dihydroxy-, (E)-
MOL FOR: C4 H4 O6 
MOL WT : 148.07
------------------------------ EPI SUMMARY (v4.11) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.68 estimate) =  -0.69
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  391.64  (Adapted Stein & Brown method)
    Melting Pt (deg C):  146.32  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.58E-009  (Modified Grain method)
    VP (Pa, 25 deg C) :  8.78E-007  (Modified Grain method)
    MP  (exp database):  155 dec deg C
    Subcooled liquid VP: 1.4E-007 mm Hg (25 deg C, Mod-Grain method)
                       : 1.87E-005 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.42):
    Water Solubility at 25 deg C (mg/L):  7.425e+005
       log Kow used: -0.69 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  2960 mg/L (12 deg C)
        Exper. Ref:  BEILSTEIN
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.1664e+005 mg/L
 
 ECOSAR Class Program (ECOSAR v1.11):
    Class(es) found:
       Vinyl/Allyl Alcohols-acid
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   2.07E-009  atm-m3/mole  (2.10E-004 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:  1.727E-015 atm-m3/mole  (1.749E-010 Pa-m3/mole)
      VP:   6.58E-009 mm Hg (source: MPBPVP)
      WS:   7.43E+005 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.69  (KowWin est)
  Log Kaw used:  -7.072  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  6.382
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1399
   Biowin2 (Non-Linear Model)     :   0.9882
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.9211  (days        )
   Biowin4 (Primary Survey Model) :   4.6641  (hours-days  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.9562
   Biowin6 (MITI Non-Linear Model):   0.9261
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.4752
 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):  1.87E-005 Pa (1.4E-007 mm Hg)
  Log Koa (Koawin est  ): 6.382
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.161 
       Octanol/air (Koa) model:  5.92E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.853 
       Mackay model           :  0.928 
       Octanol/air (Koa) model:  4.73E-005 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  14.7950 E-12 cm3/molecule-sec
      Half-Life =     0.723 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     8.675 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     0.175000 E-17 cm3/molecule-sec
      Half-Life =     6.549 Days (at 7E11 mol/cm3)
   Fraction sorbed to airborne particulates (phi):
      0.89 (Junge-Pankow, Mackay avg)
      4.73E-005 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1  L/kg (MCI method)
      Log Koc:  0.000       (MCI method)
      Koc    :  0.08937  L/kg (Kow method)
      Log Koc:  -1.049      (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 v3.01):
   Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -1.4906 days (HL = 0.03231 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.043 (BCF = 0.9054)
   Log BAF Arnot-Gobas method (upper trophic) = -0.043 (BAF = 0.9054)
       log Kow used: -0.69 (estimated)
 
 Volatilization from Water:
    Henry LC:  2.07E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 3.442E+005  hours   (1.434E+004 days)
    Half-Life from Model Lake : 3.755E+006  hours   (1.564E+005 days)
 
 Removal In Wastewater Treatment:
    Total removal:               1.85  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  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       1.45            15.6         1000       
   Water     27.8            55.9         1000       
   Soil      70.7            112          1000       
   Sediment  0.0363          503          0          
     Persistence Time: 112 hr