CAS Number: 820207-10-1
SMILES : C[Si](C)(CC(c1ccccc1)c2ccccc2)O[Si](C)(C)CC(c3ccccc3)c4ccccc4
CHEM   : 
MOL FOR: C32 H38 O1 Si2 
MOL WT : 494.83
------------------------------ EPI SUMMARY (v4.11) --------------------------
 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 v1.68 estimate) =  11.88
 
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
    Boiling Pt (deg C):  525.32  (Adapted Stein & Brown method)
    Melting Pt (deg C):  209.05  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.96E-011  (Modified Grain method)
    VP (Pa, 25 deg C) :  9.28E-009  (Modified Grain method)
    Subcooled liquid VP: 6.24E-009 mm Hg (25 deg C, Mod-Grain method)
                       : 8.32E-007 Pa (25 deg C, Mod-Grain method)
 
 Water Solubility Estimate from Log Kow (WSKOW v1.42):
    Water Solubility at 25 deg C (mg/L):  2.29e-008
       log Kow used: 11.88 (estimated)
       no-melting pt equation used
 
 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  4.9483e-007 mg/L
 
 ECOSAR Class Program (ECOSAR v1.11):
    Class(es) found:
       Neutral Organics
 
 Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
   Bond Method :   2.27E-005  atm-m3/mole  (2.30E+000 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:  1.979E-003 atm-m3/mole  (2.005E+002 Pa-m3/mole)
      VP:   6.96E-011 mm Hg (source: MPBPVP)
      WS:   2.29E-008 mg/L (source: WSKOWWIN)
 
 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  11.88  (KowWin est)
  Log Kaw used:  -3.032  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  14.912
      Log Koa (experimental database):  None
 
 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   1.1337
   Biowin2 (Non-Linear Model)     :   0.9870
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.0440  (months      )
   Biowin4 (Primary Survey Model) :   3.0163  (weeks       )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.5146
   Biowin6 (MITI Non-Linear Model):   0.0004
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.6288
 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):  8.32E-007 Pa (6.24E-009 mm Hg)
  Log Koa (Koawin est  ): 14.912
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.61 
       Octanol/air (Koa) model:  200 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.992 
       Mackay model           :  0.997 
       Octanol/air (Koa) model:  1 
 
 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  26.4020 E-12 cm3/molecule-sec
      Half-Life =     0.405 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.861 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi):
      0.994 (Junge-Pankow, Mackay avg)
      1 (Koa method)
    Note: the sorbed fraction may be resistant to atmospheric oxidation
 
 Soil Adsorption Coefficient (KOCWIN v2.00):
      Koc    :  2.362E+009  L/kg (MCI method)
      Log Koc:  9.373       (MCI method)
      Koc    :  2.043E+010  L/kg (Kow method)
      Log Koc:  10.310      (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 v3.01):
   Log BCF from regression-based method = 1.731 (BCF = 53.86 L/kg wet-wt)
   Log Biotransformation Half-life (HL) = 2.5091 days (HL = 322.9 days)
   Log BCF Arnot-Gobas method (upper trophic) = 0.137 (BCF = 1.372)
   Log BAF Arnot-Gobas method (upper trophic) = 3.267 (BAF = 1850)
       log Kow used: 11.88 (estimated)
 
 Volatilization from Water:
    Henry LC:  2.27E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      59.64  hours   (2.485 days)
    Half-Life from Model Lake :      837.2  hours   (34.88 days)
 
 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.26  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       0.108           9.72         1000       
   Water     6.8             1.44e+003    1000       
   Soil      62              2.88e+003    1000       
   Sediment  31.1            1.3e+004     0          
     Persistence Time: 2.77e+003 hr