ChemSpider 2D Image | propyltrimethoxysilane | C6H16O3Si

propyltrimethoxysilane

  • Molecular FormulaC6H16O3Si
  • Average mass164.275 Da
  • Monoisotopic mass164.086868 Da
  • ChemSpider ID55195

More details:






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

1067-25-0 [RN]
136856-91-2 [RN]
213-926-7 [EINECS]
75132-84-2 [RN]
MFCD00043026 [MDL number]
n-propyltrimethoxysilane
propyltrimethoxysilane
Silane, trimethoxypropyl- [ACD/Index Name]
Trimethoxy(propyl)silan [German] [ACD/IUPAC Name]
Trimethoxy(propyl)silane [ACD/IUPAC Name]
More...

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

T72C7N9XO2 [DBID]
662275_ALDRICH [DBID]
82465_FLUKA [DBID]
Silan 103 [DBID]
UNII:T72C7N9XO2 [DBID]
UNII-T72C7N9XO2 [DBID]
  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Appearance:

      colourless liquid OU Chemical Safety Data (No longer updated) More details
    • Stability:

      Stable, but reacts with moisture. Flammable. Incompatible with strong oxidizing agents, acids, alcohols, bases, water. OU Chemical Safety Data (No longer updated) More details
    • Safety:

      10-36/37/38 Alfa Aesar B21033
      23-26-37 Alfa Aesar B21033
      3 Alfa Aesar B21033
      DANGER: FLAMMABLE, CORROSIVE, burns skin and eyes Alfa Aesar B21033
      DANGER: FLAMMABLE, irritates skin, eyes, lungs Alfa Aesar B21033
      H226-H315-H319-H335 Alfa Aesar B21033
      P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar B21033
      Safety glasses, adequate ventilation. Keep off the skin. OU Chemical Safety Data (No longer updated) More details
      Warning Alfa Aesar B21033
  • Gas Chromatography
    • Retention Index (Kovats):

      755 (estimated with error: 89) NIST Spectra mainlib_6134
      805 (Program type: Isothermal; Col... (show more) umn class: Semi-standard non-polar; Column length: 3 m; Column type: Packed; Start T: 160 C; CAS no: 1067250; Active phase: Apiezon M; Substrate: Chromosorb G; Data type: Kovats RI; Authors: Peetre, I.-B.; Ellren, O.; Smith, B.E.F., Gas chromatographic investigation of organometallic compounds and their carbon analogues. VI. Determination, calculation and correlation of Kovats retention indices for alkylalkoxysilanes, J. Chromatogr., 318, 1985, 41-55.) NIST Spectra nist ri

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

Density: 0.9±0.1 g/cm3
Boiling Point: 142.0±0.0 °C at 760 mmHg
Vapour Pressure: 7.1±0.2 mmHg at 25°C
Enthalpy of Vaporization: 36.4±3.0 kJ/mol
Flash Point: 40.6±0.0 °C
Index of Refraction: 1.396
Molar Refractivity: 43.8±0.3 cm3
#H bond acceptors: 3
#H bond donors: 0
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 1.20
ACD/LogD (pH 5.5): 0.87
ACD/BCF (pH 5.5): 2.71
ACD/KOC (pH 5.5): 71.04
ACD/LogD (pH 7.4): 0.87
ACD/BCF (pH 7.4): 2.71
ACD/KOC (pH 7.4): 71.04
Polar Surface Area: 28 Å2
Polarizability: 17.4±0.5 10-24cm3
Surface Tension: 20.7±3.0 dyne/cm
Molar Volume: 182.4±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) =  0.31

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  144.78  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -35.18  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.11  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  3.551e+004
       log Kow used: 0.31 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  1e+006 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   1.53E-004  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.111E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  0.31  (KowWin est)
  Log Kaw used:  -2.204  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  2.514
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6693
   Biowin2 (Non-Linear Model)     :   0.6628
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8361  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6107  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3239
   Biowin6 (MITI Non-Linear Model):   0.2175
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5698
 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):  624 Pa (4.68 mm Hg)
  Log Koa (Koawin est  ): 2.514
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  4.81E-009 
       Octanol/air (Koa) model:  8.02E-011 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.74E-007 
       Mackay model           :  3.85E-007 
       Octanol/air (Koa) model:  6.41E-009 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   5.0686 E-12 cm3/molecule-sec
      Half-Life =     2.110 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    25.323 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.79E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  1397
      Log Koc:  3.145 

 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 = 0.500 (BCF = 3.162)
       log Kow used: 0.31 (estimated)

 Volatilization from Water:
    Henry LC:  0.000153 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      6.213  hours
    Half-Life from Model Lake :      175.2  hours   (7.302 days)

 Removal In Wastewater Treatment:
    Total removal:               8.80  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.65  percent
    Total to Air:                7.05  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       11.8            50.6         1000       
   Water     48.2            360          1000       
   Soil      39.9            720          1000       
   Sediment  0.0899          3.24e+003    0          
     Persistence Time: 218 hr




                    

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