CAS Number: 34413-34-8
SMILES : CCc1cncc(n1)C(=O)(C)
CHEM   : 1-(6-ethylpyrazin-2-yl)ethanone
MOL FOR: C8 H10 N2 O1 
MOL WT : 150.18
------------------------------ 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) =  0.66
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  245.73  (Adapted Stein & Brown method)
    Melting Pt (deg C):  57.04  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0167  (Modified Grain method)
    VP (Pa, 25 deg C) :  2.23  (Modified Grain method)
    Subcooled liquid VP: 0.0331 mm Hg (25 deg C, Mod-Grain method)
                       : 4.41 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  2.072e+004
       log Kow used: 0.66 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.6336e+005 mg/L
 
 ECOSAR Class Program (ECOSAR v1.00):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   7.79E-009  atm-m3/mole  (7.89E-004 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:  1.593E-007 atm-m3/mole  (1.614E-002 Pa-m3/mole)
      VP:   0.0167 mm Hg (source: MPBPVP)
      WS:   2.07E+004 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.66  (KowWin est)
  Log Kaw used:  -6.497  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  7.157
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7375
   Biowin2 (Non-Linear Model)     :   0.7311
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7700  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5403  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3447
   Biowin6 (MITI Non-Linear Model):   0.3054
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0276
 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):  4.41 Pa (0.0331 mm Hg)
  Log Koa (Koawin est  ): 7.157
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.8E-007 
       Octanol/air (Koa) model:  3.52E-006 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.46E-005 
       Mackay model           :  5.44E-005 
       Octanol/air (Koa) model:  0.000282 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.4442 E-12 cm3/molecule-sec
      Half-Life =     7.406 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    88.876 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      3.95E-005 (Junge-Pankow, Mackay avg)
      0.000282 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  40.19  L/kg (MCI method)
      Log Koc:  1.604       (MCI method)
      Koc    :  76.59  L/kg (Kow method)
      Log Koc:  1.884       (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) = -1.0351 days (HL = 0.09223 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.105 (BCF = 1.273)
   Log BAF Arnot-Gobas method (upper trophic) = 0.105 (BAF = 1.273)
       log Kow used: 0.66 (estimated)
 
 Volatilization from Water:
    Henry LC:  7.79E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 9.211E+004  hours   (3838 days)
    Half-Life from Model Lake : 1.005E+006  hours   (4.187E+004 days)
 
 Removal In Wastewater Treatment:
    Total removal:               1.87  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.77  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)
 
 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.145           178          1000       
   Water     23.1            360          1000       
   Soil      76.7            720          1000       
   Sediment  0.0808          3.24e+003    0          
     Persistence Time: 697 hr