This page contains the EPI System Summary only.
For complete control of this information -
Download the free EPI SuiteTM v4.0 program : here
To Datasheet

CAS Num: 027871-49-4
SMILES : OC(C)C(=O)OC
CHEM   : 
MOL FOR: C4 H8 O3 
MOL WT : 104.11
------------------------------ 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) =  -0.67

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  144.35  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -39.77  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.81  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  241  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -66 deg C
    BP  (exp database):  144.8 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1e+006
       log Kow used: -0.67 (estimated)
       no-melting pt equation used
     Water Sol (Exper. database match) =  1e+006 mg/L (25 deg C)
        Exper. Ref:  DEAN,JA (1985)

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

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   3.63E-005  atm-m3/mole  (3.68E+000 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:  2.479E-007 atm-m3/mole  (2.512E-002 Pa-m3/mole)
      VP:   1.81 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:  -0.67  (KowWin est)
  Log Kaw used:  -2.829  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.159
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.0309
   Biowin2 (Non-Linear Model)     :   0.9988
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.2693  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.0559  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.8574
   Biowin6 (MITI Non-Linear Model):   0.9483
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8157
 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):  217 Pa (1.63 mm Hg)
  Log Koa (Koawin est  ): 2.159
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.38E-008 
       Octanol/air (Koa) model:  3.54E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.99E-007 
       Mackay model           :  1.1E-006 
       Octanol/air (Koa) model:  2.83E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.6298 E-12 cm3/molecule-sec
      Half-Life =     4.067 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    48.807 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      8.01E-007 (Junge-Pankow, Mackay avg)
      2.83E-009 (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    :  1.195  L/kg (Kow method)
      Log Koc:  0.077       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
  Total Kb for pH > 8 at 25 deg C :  1.183E+000  L/mol-sec
  Kb Half-Life at pH 8:       6.781  days   
  Kb Half-Life at pH 7:      67.808  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) = -2.5343 days (HL = 0.002922 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.047 (BCF = 0.8971)
   Log BAF Arnot-Gobas method (upper trophic) = -0.047 (BAF = 0.8971)
       log Kow used: -0.67 (estimated)

 Volatilization from Water:
    Henry LC:  3.63E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       17.5  hours
    Half-Life from Model Lake :      276.4  hours   (11.52 days)

 Removal In Wastewater Treatment:
    Total removal:               3.76  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.73  percent
    Total to Air:                1.94  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       10.5            91.7         1000       
   Water     40.7            208          1000       
   Soil      48.7            416          1000       
   Sediment  0.072           1.87e+003    0          
     Persistence Time: 226 hr