ChemSpider 2D Image | Ethyl(methoxy)dimethylsilane | C5H14OSi

Ethyl(methoxy)dimethylsilane

  • Molecular FormulaC5H14OSi
  • Average mass118.250 Da
  • Monoisotopic mass118.081390 Da
  • ChemSpider ID487362

More details:

Validated by Experts, Validated by Users, Non-Validated, Removed by Users

Ethyl(dimethyl)silyl methyl ether
Ethyl(methoxy)dimethylsilan [German] [ACD/IUPAC Name]
Ethyl(methoxy)dimethylsilane [ACD/IUPAC Name]
Éthyl(méthoxy)diméthylsilane [French] [ACD/IUPAC Name]
Silane, ethylmethoxydimethyl- [ACD/Index Name]
52686-75-6 [RN]
Ethyl(dimethyl)methoxysilane
Ethyldimethylmethoxysilane
SILANE,ETHYLMETHOXYDIMETHYL-

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

Density: 0.8±0.1 g/cm3
Boiling Point: 80.6±8.0 °C at 760 mmHg
Vapour Pressure: 94.1±0.1 mmHg at 25°C
Enthalpy of Vaporization: 30.8±3.0 kJ/mol
Flash Point: -16.0±8.0 °C
Index of Refraction: 1.382
Molar Refractivity: 35.7±0.3 cm3
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 2
#Rule of 5 Violations: 0
ACD/LogP: 2.15
ACD/LogD (pH 5.5): 2.14
ACD/BCF (pH 5.5): 25.09
ACD/KOC (pH 5.5): 349.44
ACD/LogD (pH 7.4): 2.14
ACD/BCF (pH 7.4): 25.09
ACD/KOC (pH 7.4): 349.44
Polar Surface Area: 9 Å2
Polarizability: 14.1±0.5 10-24cm3
Surface Tension: 16.8±3.0 dyne/cm
Molar Volume: 153.2±3.0 cm3

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  2.33

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  71.93  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -84.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  122  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1037
       log Kow used: 2.33 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  59501 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Silanes (alkoxy)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   2.15E-002  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.830E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.33  (KowWin est)
  Log Kaw used:  -0.056  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.386
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6912
   Biowin2 (Non-Linear Model)     :   0.7908
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9378  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6771  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4114
   Biowin6 (MITI Non-Linear Model):   0.4059
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5438
 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):  1.59E+004 Pa (119 mm Hg)
  Log Koa (Koawin est  ): 2.386
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.89E-010 
       Octanol/air (Koa) model:  5.97E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.83E-009 
       Mackay model           :  1.51E-008 
       Octanol/air (Koa) model:  4.78E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   2.3235 E-12 cm3/molecule-sec
      Half-Life =     4.603 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    55.241 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.1E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  192
      Log Koc:  2.283 

 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 = 1.096 (BCF = 12.48)
       log Kow used: 2.33 (estimated)

 Volatilization from Water:
    Henry LC:  0.0215 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.139  hours
    Half-Life from Model Lake :      103.6  hours   (4.317 days)

 Removal In Wastewater Treatment:
    Total removal:              89.37  percent
    Total biodegradation:        0.03  percent
    Total sludge adsorption:     0.95  percent
    Total to Air:               88.39  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       40.9            110          1000       
   Water     51              360          1000       
   Soil      7.84            720          1000       
   Sediment  0.274           3.24e+003    0          
     Persistence Time: 122 hr

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