CAS Num: 000109-94-4
SMILES : O=COCC
CHEM   : Formic acid, ethyl ester
MOL FOR: C3 H6 O2 
MOL WT : 74.08
------------------------------ 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) =  0.32
    Log Kow (Exper. database match) =  0.23
       Exper. Ref:  HANSCH,C ET AL. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  55.00  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -86.22  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  246  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  3.28E+004  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -79.6 deg C
    BP  (exp database):  54.4 deg C
    VP  (exp database):  2.45E+02 mm Hg (3.27E+004 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  8.511e+004
       log Kow used: 0.23 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  8.82e+004 mg/L (25 deg C)
        Exper. Ref:  HANSCH,C ET AL. (1968)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  68609 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Esters

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.19E-004  atm-m3/mole  (3.23E+001 Pa-m3/mole)
   Group Method:   2.74E-004  atm-m3/mole  (2.78E+001 Pa-m3/mole)
   Exper Database: 3.85E-04  atm-m3/mole  (3.90E+001 Pa-m3/mole)
 For Henry LC Comparison Purposes:
   User-Entered Henry LC:  not entered
   Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
      HLC:  2.817E-004 atm-m3/mole  (2.855E+001 Pa-m3/mole)
      VP:   246 mm Hg (source: MPBPVP)
      WS:   8.51E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.23  (exp database)
  Log Kaw used:  -1.803  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  2.033
      Log Koa (experimental database):  2.190

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.8865
   Biowin2 (Non-Linear Model)     :   0.9976
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.1757  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9698  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8853
   Biowin6 (MITI Non-Linear Model):   0.9638
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9544
 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):  3.27E+004 Pa (245 mm Hg)
  Log Koa (Exp database): 2.190
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  9.18E-011 
       Octanol/air (Koa) model:  3.8E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.32E-009 
       Mackay model           :  7.35E-009 
       Octanol/air (Koa) model:  3.04E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.6617 E-12 cm3/molecule-sec
      Half-Life =     6.437 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    77.242 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      5.33E-009 (Junge-Pankow, Mackay avg)
      3.04E-009 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  3.642  L/kg (MCI method)
      Log Koc:  0.561       (MCI method)
      Koc    :  9.699  L/kg (Kow method)
      Log Koc:  0.987       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
  Total Kb for pH > 8 at 25 deg C :  1.483E+001  L/mol-sec
  Kb Half-Life at pH 8:      12.987  hours  
  Kb Half-Life at pH 7:       5.411  days   
    (Total Kb applies only to esters, carbmates, alkyl halides)

 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) = -2.1476 days (HL = 0.007119 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.030 (BCF = 0.9327)
   Log BAF Arnot-Gobas method (upper trophic) = -0.030 (BAF = 0.9327)
       log Kow used: 0.23 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000385 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:      2.187  hours
    Half-Life from Model Lake :      96.03  hours   (4.001 days)

 Removal In Wastewater Treatment:
    Total removal:              16.46  percent
    Total biodegradation:        0.08  percent
    Total sludge adsorption:     1.53  percent
    Total to Air:               14.84  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       27.4            252          1000       
   Water     43.1            360          1000       
   Soil      29.4            720          1000       
   Sediment  0.0856          3.24e+003    0          
     Persistence Time: 198 hr