ChemSpider 2D Image | 1,2-Ethanediylbis(dimethylsilane) | C6H18Si2

1,2-Ethanediylbis(dimethylsilane)

  • Molecular FormulaC6H18Si2
  • Average mass146.378 Da
  • Monoisotopic mass146.094696 Da
  • ChemSpider ID3400075

More details:

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

1,2-Ethandiylbis(dimethylsilan) [German] [ACD/IUPAC Name]
1,2-Ethanediylbis(dimethylsilane) [ACD/IUPAC Name]
1,2-Éthanediylbis(diméthylsilane) [French] [ACD/IUPAC Name]
Ethane-1,2-diylbis(dimethylsilane)
Silane, 1,1'-(1,2-ethanediyl)bis[1,1-dimethyl- [ACD/Index Name]
[2-(DIMETHYLSILYL)ETHYL]DIMETHYLSILANE
1,1,4,4-TETRAMETHYL-1,4-DISILABUTANE
1,1,4,4-TETRAMETHYLDISILETHYLENE
1,1,4,4-Tetramethyldisilethylene(Bis dimethylsilyl ethane)
1,2 BIS (DIMETHYLSILYL) ETHANE
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    Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00

    Density:
    Boiling Point: 118.2±23.0 °C at 760 mmHg
    Vapour Pressure: 20.1±0.2 mmHg at 25°C
    Enthalpy of Vaporization: 34.2±3.0 kJ/mol
    Flash Point: 16.3±15.9 °C
    Index of Refraction:
    Molar Refractivity:
    #H bond acceptors: 0
    #H bond donors: 0
    #Freely Rotating Bonds: 3
    #Rule of 5 Violations: 0
    ACD/LogP: 3.38
    ACD/LogD (pH 5.5): 4.36
    ACD/BCF (pH 5.5): 1203.30
    ACD/KOC (pH 5.5): 5578.68
    ACD/LogD (pH 7.4): 4.36
    ACD/BCF (pH 7.4): 1203.30
    ACD/KOC (pH 7.4): 5578.68
    Polar Surface Area: 0 Å2
    Polarizability:
    Surface Tension:
    Molar Volume:

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

                            
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  6.66

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  -56.91  (Adapted Stein & Brown method)
    Melting Pt (deg C):  22.15  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  9.77E+003  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  0.1604
       log Kow used: 6.66 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2.1621e-006 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]:  9.126E+002 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)         :  -0.4257
   Biowin2 (Non-Linear Model)     :   0.0001
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   1.6030  (recalcitrant)
   Biowin4 (Primary Survey Model) :   2.7159  (weeks-months)
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.6824
   Biowin6 (MITI Non-Linear Model):   0.6668
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -1.1693
 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):  8.67E+005 Pa (6.5E+003 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.46E-012 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.25E-010 
       Mackay model           :  2.77E-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): 2.01E-010 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  356
      Log Koc:  2.551 

 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 = 4.431 (BCF = 2.698e+004)
       log Kow used: 6.66 (estimated)

 Volatilization from Water:
    Henry LC:  913 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      1.235  hours
    Half-Life from Model Lake :      114.9  hours   (4.788 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
    Total removal:             100.00  percent
    Total biodegradation:        0.17  percent
    Total sludge adsorption:    59.57  percent
    Total to Air:               40.26  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       1.41            1e+005       1000       
   Water     1.61            4.32e+003    1000       
   Soil      0.0193          8.64e+003    1000       
   Sediment  97              3.89e+004    0          
     Persistence Time: 5.1e+003 hr

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