CAS Number: 13494-06-9
SMILES : O=C(C(=O)CC1C)C1C
CHEM   : 1,2-Cyclopentanedione, 3,4-dimethyl-
MOL FOR: C7 H10 O2 
MOL WT : 126.16
------------------------------ EPI SUMMARY (v4.00) --------------------------
 Physical Property Inputs:
    Log Kow (octanol-water):   ------
    Boiling Point (deg C)  :   ------
    Melting Point (deg C)  :   ------
    Vapor Pressure (mm Hg) :   ------
    Water Solubility (mg/L):   ------
    Henry LC (atm-m3/mole) :   ------
 
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  -0.12
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  219.34  (Adapted Stein & Brown method)
    Melting Pt (deg C):  26.50  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.184  (Modified Grain method)
    VP (Pa, 25 deg C) :  24.6  (Modified Grain method)
    Subcooled liquid VP: 0.19 mm Hg (25 deg C, Mod-Grain method)
                       : 25.4 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.211e+005
       log Kow used: -0.12 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5738.2 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   2.03E-007  atm-m3/mole  (2.06E-002 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:  2.522E-007 atm-m3/mole  (2.556E-002 Pa-m3/mole)
      VP:   0.184 mm Hg (source: MPBPVP)
      WS:   1.21E+005 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  -0.12  (KowWin est)
  Log Kaw used:  -5.081  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.961
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6875
   Biowin2 (Non-Linear Model)     :   0.7716
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9204  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6657  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3823
   Biowin6 (MITI Non-Linear Model):   0.2498
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6358
 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):  25.3 Pa (0.19 mm Hg)
  Log Koa (Koawin est  ): 4.961
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.18E-007 
       Octanol/air (Koa) model:  2.24E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  4.28E-006 
       Mackay model           :  9.47E-006 
       Octanol/air (Koa) model:  1.8E-006 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.2792 E-12 cm3/molecule-sec
      Half-Life =     0.503 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.032 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      6.88E-006 (Junge-Pankow, Mackay avg)
      1.8E-006 (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    :  2.513  L/kg (Kow method)
      Log Koc:  0.400       (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) = -1.2866 days (HL = 0.05169 days)
   Log BCF Arnot-Gobas method (upper trophic) = -0.024 (BCF = 0.9473)
   Log BAF Arnot-Gobas method (upper trophic) = -0.024 (BAF = 0.9473)
       log Kow used: -0.12 (estimated)
 
 Volatilization from Water:
    Henry LC:  2.03E-007 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       3241  hours   (135 days)
    Half-Life from Model Lake : 3.545E+004  hours   (1477 days)
 
 Removal In Wastewater Treatment:
    Total removal:               1.86  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.16            12.1         1000       
   Water     44.7            360          1000       
   Soil      54.1            720          1000       
   Sediment  0.0836          3.24e+003    0          
     Persistence Time: 383 hr