CAS Number: 1113-60-6
SMILES : C(C(=O)C(=O)O)O
CHEM   : 3-hydroxy-2-oxopropanoic acid
MOL FOR: C3 H4 O4 
MOL WT : 104.06
------------------------------ EPI SUMMARY (v4.00) --------------------------
 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 v1.67 estimate) =  -2.71
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  257.23  (Adapted Stein & Brown method)
    Melting Pt (deg C):  57.84  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.001  (Modified Grain method)
    VP (Pa, 25 deg C) :  0.133  (Modified Grain method)
    Subcooled liquid VP: 0.00202 mm Hg (25 deg C, Mod-Grain method)
                       : 0.269 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: -2.71 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.40E-010  atm-m3/mole  (3.45E-005 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:  1.369E-010 atm-m3/mole  (1.387E-005 Pa-m3/mole)
      VP:   0.001 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:  -2.71  (KowWin est)
  Log Kaw used:  -7.857  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.147
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9294
   Biowin2 (Non-Linear Model)     :   0.9642
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.4938  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.2126  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.7943
   Biowin6 (MITI Non-Linear Model):   0.8899
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  1.1816
 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):  0.269 Pa (0.00202 mm Hg)
  Log Koa (Koawin est  ): 5.147
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.11E-005 
       Octanol/air (Koa) model:  3.44E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.000402 
       Mackay model           :  0.00089 
       Octanol/air (Koa) model:  2.75E-006 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.1118 E-12 cm3/molecule-sec
      Half-Life =     3.437 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    41.247 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      0.000646 (Junge-Pankow, Mackay avg)
      2.75E-006 (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    :  0.01038  L/kg (Kow method)
      Log Koc:  -1.984      (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) = -2.2933 days (HL = 0.00509 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.049 (BCF = 0.893)
   Log BAF Arnot-Gobas method (upper trophic) = -0.049 (BAF = 0.893)
       log Kow used: -2.71 (estimated)
 
 Volatilization from Water:
    Henry LC:  3.4E-010 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.757E+006  hours   (7.319E+004 days)
    Half-Life from Model Lake : 1.916E+007  hours   (7.985E+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       0.0118          82.5         1000       
   Water     33.5            208          1000       
   Soil      66.4            416          1000       
   Sediment  0.0592          1.87e+003    0          
     Persistence Time: 391 hr