ChemSpider 2D Image | MFCD00161340 | C9H24O2Si2

MFCD00161340

  • Molecular FormulaC9H24O2Si2
  • Average mass220.457 Da
  • Monoisotopic mass220.131485 Da
  • ChemSpider ID123732

More details:






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

1,3-Bis(trimethylsilyloxy)propane
17887-80-8 [RN]
2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonan [German] [ACD/IUPAC Name]
2,2,8,8-Tetramethyl-3,7-dioxa-2,8-disilanonane [ACD/IUPAC Name]
2,2,8,8-Tétraméthyl-3,7-dioxa-2,8-disilanonane [French] [ACD/IUPAC Name]
3,7-Dioxa-2,8-disilanonane, 2,2,8,8-tetramethyl- [ACD/Index Name]
MFCD00161340
[17887-80-8] [RN]
1,3 Propanediol di-TMS
1,3-bis(trimethylsilyloxy) propane
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

  • Gas Chromatography
    • Retention Index (Kovats):

      888 (estimated with error: 89) NIST Spectra mainlib_63316, replib_141413, replib_10359, replib_50401, replib_333050
      1050 (Program type: Isothermal; Col... (show more) umn class: Standard polar; Column length: 2 m; Column type: Packed; Start T: 150 C; CAS no: 17887808; Active phase: Carbowax 20M; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Evans, M.B.; Haken, J.K.; Toth, T., Solute characterization in gas chromatography by an extension of Kovats retention index system. Dispersion and selectivity indices, J. Chromatogr., 351, 1986, 155-164.) NIST Spectra nist ri
    • Retention Index (Linear):

      1073 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; CAS no: 17887808; Active phase: Methyl Silicone; Data type: Linear RI; Authors: Peng, C.T.; Yang, Z.C.; Maltby, D., Prediction of retention indexes. III. Silylated derivatives of polar compounds, J. Chromatogr., 586, 1991, 113-129.) NIST Spectra nist ri
      1050.5 (Program type: Complex; Column... (show more) class: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Description: Multi-step temperature program; T(initial)=60C; T(final)=270C; CAS no: 17887808; Active phase: VF-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., 2007.) NIST Spectra nist ri

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

Density: 0.8±0.1 g/cm3
Boiling Point: 199.1±23.0 °C at 760 mmHg
Vapour Pressure: 0.5±0.4 mmHg at 25°C
Enthalpy of Vaporization: 41.7±3.0 kJ/mol
Flash Point: 62.0±23.0 °C
Index of Refraction: 1.410
Molar Refractivity: 64.7±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 6
#Rule of 5 Violations: 0
ACD/LogP: 3.55
ACD/LogD (pH 5.5): 3.31
ACD/BCF (pH 5.5): 194.52
ACD/KOC (pH 5.5): 1513.74
ACD/LogD (pH 7.4): 3.31
ACD/BCF (pH 7.4): 194.52
ACD/KOC (pH 7.4): 1513.74
Polar Surface Area: 18 Å2
Polarizability: 25.6±0.5 10-24cm3
Surface Tension: 19.3±3.0 dyne/cm
Molar Volume: 261.3±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) =  3.83

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  179.13  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -24.40  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.01  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  18.24
       log Kow used: 3.83 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  40092 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   6.27E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.606E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.83  (KowWin est)
  Log Kaw used:  -0.591  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.421
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6426
   Biowin2 (Non-Linear Model)     :   0.4696
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7120  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5297  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2070
   Biowin6 (MITI Non-Linear Model):   0.0806
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.4366
 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):  122 Pa (0.915 mm Hg)
  Log Koa (Koawin est  ): 4.421
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.46E-008 
       Octanol/air (Koa) model:  6.47E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  8.88E-007 
       Mackay model           :  1.97E-006 
       Octanol/air (Koa) model:  5.18E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  16.8746 E-12 cm3/molecule-sec
      Half-Life =     0.634 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.606 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.43E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  4551
      Log Koc:  3.658 

 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 = 2.251 (BCF = 178.4)
       log Kow used: 3.83 (estimated)

 Volatilization from Water:
    Henry LC:  0.00627 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.654  hours
    Half-Life from Model Lake :      142.5  hours   (5.939 days)

 Removal In Wastewater Treatment:
    Total removal:              75.15  percent
    Total biodegradation:        0.12  percent
    Total sludge adsorption:    15.97  percent
    Total to Air:               59.07  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.31            15.2         1000       
   Water     14.9            900          1000       
   Soil      80.4            1.8e+003     1000       
   Sediment  2.36            8.1e+003     0          
     Persistence Time: 537 hr




                    

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