CAS Num: 000123-72-8
SMILES : O=CCCC
CHEM   : Butanal
MOL FOR: C4 H8 O1 
MOL WT : 72.11
------------------------------ 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) =  0.82
    Log Kow (Exper. database match) =  0.88
       Exper. Ref:  HANSCH,C ET AL. (1995)

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  84.82  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -80.23  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  108  (Mean VP of Antoine & Grain methods)
    VP (Pa, 25 deg C) :  1.44E+004  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -99 deg C
    BP  (exp database):  74.8 deg C
    VP  (exp database):  1.11E+02 mm Hg (1.48E+004 Pa) at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.385e+004
       log Kow used: 0.88 (expkow database)
       no-melting pt equation used
     Water Sol (Exper. database match) =  7.1e+004 mg/L (25 deg C)
        Exper. Ref:  UNION CARBIDE (1974)

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  65793 mg/L

 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Aldehydes (Mono)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   1.20E-004  atm-m3/mole  (1.21E+001 Pa-m3/mole)
   Group Method:   1.20E-004  atm-m3/mole  (1.21E+001 Pa-m3/mole)
   Exper Database: 1.15E-04  atm-m3/mole  (1.17E+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:  4.297E-004 atm-m3/mole  (4.353E+001 Pa-m3/mole)
      VP:   108 mm Hg (source: MPBPVP)
      WS:   2.39E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.88  (exp database)
  Log Kaw used:  -2.328  (exp database)
      Log Koa (KOAWIN v1.10 estimate):  3.208
      Log Koa (experimental database):  3.390

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.9978
   Biowin2 (Non-Linear Model)     :   0.9999
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.0621  (weeks       )
   Biowin4 (Primary Survey Model) :   3.9403  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   1.0083
   Biowin6 (MITI Non-Linear Model):   0.9831
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.9311
 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):  1.48E+004 Pa (111 mm Hg)
  Log Koa (Exp database): 3.390
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.03E-010 
       Octanol/air (Koa) model:  6.03E-010 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.32E-009 
       Mackay model           :  1.62E-008 
       Octanol/air (Koa) model:  4.82E-008 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  25.4314 E-12 cm3/molecule-sec
      Half-Life =     0.421 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.047 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      1.18E-008 (Junge-Pankow, Mackay avg)
      4.82E-008 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  1.793  L/kg (MCI method)
      Log Koc:  0.254       (MCI method)
      Koc    :  15.23  L/kg (Kow method)
      Log Koc:  1.183       (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) = -0.9115 days (HL = 0.1226 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.193 (BCF = 1.558)
   Log BAF Arnot-Gobas method (upper trophic) = 0.193 (BAF = 1.558)
       log Kow used: 0.88 (expkow database)

 Volatilization from Water:
    Henry LC:  0.000115 atm-m3/mole  (Henry experimental database)
    Half-Life from Model River:       5.19  hours
    Half-Life from Model Lake :      127.8  hours   (5.326 days)

 Removal In Wastewater Treatment:
    Total removal:               7.31  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.70  percent
    Total to Air:                5.52  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       3.52            10.9         1000       
   Water     49.6            360          1000       
   Soil      46.8            720          1000       
   Sediment  0.0945          3.24e+003    0          
     Persistence Time: 223 hr