CAS Num: 000565-63-9
SMILES : OC(=O)C(C)=CC
CHEM   : 2-METHYL-2-BUTENOIC ACID (Z)
MOL FOR: C5 H8 O2 
MOL WT : 100.12
------------------------------ 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) =  1.40

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):
    Boiling Pt (deg C):  188.47  (Adapted Stein & Brown method)
    Melting Pt (deg C):  5.45  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.448  (Modified Grain method)
    VP (Pa, 25 deg C) :  59.7  (Modified Grain method)
    MP  (exp database):  45.5 deg C
    BP  (exp database):  185 deg C
    VP  (exp database):  1.33E-01 mm Hg (1.77E+001 Pa) at 25 deg C
    Subcooled liquid VP: 0.212 mm Hg (25 deg C, exp database VP )
                       : 28.3 Pa  (25 deg C, exp database VP )

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.845e+004
       log Kow used: 1.40 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  22010 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   7.09E-007  atm-m3/mole  (7.19E-002 Pa-m3/mole)
   Group Method:   7.22E-007  atm-m3/mole  (7.31E-002 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:  3.199E-006 atm-m3/mole  (3.241E-001 Pa-m3/mole)
      VP:   0.448 mm Hg (source: MPBPVP)
      WS:   1.85E+004 mg/L (source: WSKOWWIN)

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.40  (KowWin est)
  Log Kaw used:  -4.538  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.938
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7726
   Biowin2 (Non-Linear Model)     :   0.9029
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   3.3425  (days-weeks  )
   Biowin4 (Primary Survey Model) :   4.0889  (days        )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6025
   Biowin6 (MITI Non-Linear Model):   0.6979
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.7902
 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):  28.3 Pa (0.212 mm Hg)
  Log Koa (Koawin est  ): 5.938
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.06E-007 
       Octanol/air (Koa) model:  2.13E-007 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  3.83E-006 
       Mackay model           :  8.49E-006 
       Octanol/air (Koa) model:  1.7E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  31.2070 E-12 cm3/molecule-sec
      Half-Life =     0.343 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.113 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi):
      6.16E-006 (Junge-Pankow, Mackay avg)
      1.7E-005 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  4.296  L/kg (MCI method)
      Log Koc:  0.633       (MCI method)
      Koc    :  8.513  L/kg (Kow method)
      Log Koc:  0.930       (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) = -0.3938 days (HL = 0.4039 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.531 (BCF = 3.394)
   Log BAF Arnot-Gobas method (upper trophic) = 0.531 (BAF = 3.394)
       log Kow used: 1.40 (estimated)

 Volatilization from Water:
    Henry LC:  7.22E-007 atm-m3/mole  (estimated by Group SAR Method)
    Half-Life from Model River:      812.4  hours   (33.85 days)
    Half-Life from Model Lake :       8947  hours   (372.8 days)

 Removal In Wastewater Treatment:
    Total removal:               1.99  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.85  percent
    Total to Air:                0.04  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.517           2.56         1000       
   Water     40.7            208          1000       
   Soil      58.7            416          1000       
   Sediment  0.077           1.87e+003    0          
     Persistence Time: 239 hr