CAS Num: 000106-31-0
SMILES : O=C(OC(=O)CCC)CCC
CHEM   : Butanoic acid, anhydride
MOL FOR: C8 H14 O3 
MOL WT : 158.20
------------------------------ 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) =  1.39

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  148.37  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -44.60  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.361  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  48.1  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -75 deg C
    BP  (exp database):  200 deg C
    VP  (exp database):  2.83E-01 mm Hg (3.77E+001 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  4561
       log Kow used: 1.39 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  6446.2 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.11E-004  atm-m3/mole  (1.12E+001 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:  1.648E-005 atm-m3/mole  (1.669E+000 Pa-m3/mole)
      VP:   0.361 mm Hg (source: MPBPVP)
      WS:   4.56E+003 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.39  (KowWin est)
  Log Kaw used:  -2.343  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.733
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6722
   Biowin2 (Non-Linear Model)     :   0.6818
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8496  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6195  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4400
   Biowin6 (MITI Non-Linear Model):   0.4293
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7809
 Ready Biodegradability Prediction:   NO

Hydrocarbon Biodegradation (BioHCwin v1.01):
    Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
  Vapor pressure (liquid/subcooled):  37.7 Pa (0.283 mm Hg)
  Log Koa (Koawin est  ): 3.733
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  7.95E-008 
       Octanol/air (Koa) model:  1.33E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.87E-006 
       Mackay model           :  6.36E-006 
       Octanol/air (Koa) model:  1.06E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.3445 E-12 cm3/molecule-sec
      Half-Life =     3.198 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    38.377 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      4.62E-006 (Junge-Pankow, Mackay avg)
      1.06E-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    :  17.19  L/kg (Kow method)
      Log Koc:  1.235       (Kow method)

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
  Total Kb for pH > 8 at 25 deg C :  6.881E+003  L/mol-sec
  Kb Half-Life at pH 8:       1.679  minutes
  Kb Half-Life at pH 7:      16.789  minutes
    (Total Kb applies only to esters, carbmates, alkyl halides)

 Bioaccumulation Estimates (BCFBAF v3.00):
   Log BCF from regression-based method = 0.582 (BCF = 3.821 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = -0.9295 days (HL = 0.1176 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.471 (BCF = 2.955)
   Log BAF Arnot-Gobas method (upper trophic) = 0.471 (BAF = 2.955)
       log Kow used: 1.39 (estimated)

 Volatilization from Water:
    Henry LC:  0.000111 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      7.918  hours
    Half-Life from Model Lake :      191.8  hours   (7.993 days)

 Removal In Wastewater Treatment:
    Total removal:               7.21  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                5.35  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       10.1            76.8         1000       
   Water     39.2            360          1000       
   Soil      50.6            720          1000       
   Sediment  0.0884          3.24e+003    0          
     Persistence Time: 281 hr