Dimethylmethoxysilane

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.57

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  -37.63  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -42.08  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  6.05E+003  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  795
       log Kow used: 2.57 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2109.1 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Neutral Organics

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.135E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.1528
   Biowin2 (Non-Linear Model)     :   0.0310
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.3635  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.2573  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6467
   Biowin6 (MITI Non-Linear Model):   0.7538
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.1666
 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):  6.93E+005 Pa (5.2E+003 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.33E-012 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.56E-010 
       Mackay model           :  3.46E-010 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.0000 E-12 cm3/molecule-sec
      Half-Life =   -------
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.51E-010 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  67.7
      Log Koc:  1.831 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
    Rate constants can NOT be estimated for this structure!

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 1.278 (BCF = 18.98)
       log Kow used: 2.57 (estimated)

 Volatilization from Water:
    Henry LC:  0.113 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      0.974  hours   (58.44 min)
    Half-Life from Model Lake :      90.26  hours   (3.761 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:              99.72  percent
    Total biodegradation:        0.02  percent
    Total sludge adsorption:     1.12  percent
    Total to Air:               98.58  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       51.9            1e+005       1000       
   Water     47.1            900          1000       
   Soil      0.621           1.8e+003     1000       
   Sediment  0.439           8.1e+003     0          
     Persistence Time: 166 hr