ChemSpider 2D Image | Trimethylsilyl nonadecanoate | C22H46O2Si

Trimethylsilyl nonadecanoate

  • Molecular FormulaC22H46O2Si
  • Average mass370.685 Da
  • Monoisotopic mass370.326721 Da
  • ChemSpider ID455812

More details:






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

Nonadécanoate de triméthylsilyle [French] [ACD/IUPAC Name]
Nonadecanoic acid, trimethylsilyl ester [ACD/Index Name]
Trimethylsilyl nonadecanoate [ACD/IUPAC Name]
Trimethylsilyl-nonadecanoat [German] [ACD/IUPAC Name]
NONADECANOIC ACID TRIMETHYLSILYL ESTER
  • Gas Chromatography
    • Retention Index (Kovats):

      2285 (estimated with error: 89) NIST Spectra mainlib_352591, replib_79035
    • Retention Index (Normal Alkane):

      2336 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.3 mm; Column length: 25 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 150 C; End T: 350 C; CAS no: 74367354; Active phase: OV-1; Carrier gas: He; Phase thickness: 0.52 um; Data type: Normal alkane RI; Authors: Harvey, D.J., Lipids from the guinea pig harderian gland: use of picolinyl and other pyridine-containing derivatives to investigate the structures of novel branched-chain fatty acids and glycerol ethers, Biol. Mass Spectrom., 20, 1991, 61-69.) NIST Spectra nist ri
      2348 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 25 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 80 C; End T: 250 C; End time: 5 min; CAS no: 74367354; Active phase: SE-33; Carrier gas: He; Data type: Normal alkane RI; Authors: Daolio, S.; Bonsembiante, M.; Bittante, G.; Ramanzin, M.; Rinaldo, P., Ruminal organic acid analysis by gas chromatography/mass spectrometry, J. Agric. Food Chem., 37(4), 1989, 970-974.) NIST Spectra nist ri
      2355 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.25 mm; Column length: 30 m; Column type: Capillary; Heat rate: 3 K/min; Start T: 50 C; End T: 300 C; End time: 30 min; CAS no: 74367354; Active phase: HP-5; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Isidorov, V.A.; Lech, P.; Zolciak, A.; Rusak, N.; Szczepaniak, L., Gas Chromatographic - nass spectrometric investigation of metabolites from the needles and roots of pine seedlings at early stages of pathogenic fungi Armillaria ostoyae attack, Trees, 22, 2008, 531-542.) NIST Spectra nist ri
    • Retention Index (Linear):

      2339 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.30 mm; Column length: 50 m; Column type: Capillary; Heat rate: 2 K/min; Start T: 130 C; End T: 280 C; CAS no: 74367354; Active phase: OV-1; Carrier gas: He; Phase thickness: 0.52 um; Data type: Linear RI; Authors: Harvey, D.J., Identification of long-chain fatty acids and alcohols from human cerumen by the use of picolinyl and nicotinate esters, Biomed. Environ. Mass Spectrom., 18, 1989, 719-723.) NIST Spectra nist ri
      2337.9 (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: 74367354; 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., 2008.) NIST Spectra nist ri

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

Density: 0.9±0.1 g/cm3
Boiling Point: 408.5±14.0 °C at 760 mmHg
Vapour Pressure: 0.0±1.0 mmHg at 25°C
Enthalpy of Vaporization: 66.1±3.0 kJ/mol
Flash Point: 166.9±15.7 °C
Index of Refraction: 1.444
Molar Refractivity: 114.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 19
#Rule of 5 Violations: 1
ACD/LogP: 10.27
ACD/LogD (pH 5.5): 9.72
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 4619674.00
ACD/LogD (pH 7.4): 9.72
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 4619674.00
Polar Surface Area: 26 Å2
Polarizability: 45.4±0.5 10-24cm3
Surface Tension: 28.0±3.0 dyne/cm
Molar Volume: 430.9±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) =  10.50

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  383.53  (Adapted Stein & Brown method)
    Melting Pt (deg C):  112.51  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  2.86E-006  (Modified Grain method)
    Subcooled liquid VP: 2.08E-005 mm Hg (25 deg C, Mod-Grain method)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  5.04e-006
       log Kow used: 10.50 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  9.5406e-005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.07E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.768E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  10.50  (KowWin est)
  Log Kaw used:  1.221  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.279
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6795
   Biowin2 (Non-Linear Model)     :   0.3986
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.6783  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5820  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4510
   Biowin6 (MITI Non-Linear Model):   0.3107
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.6419
 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):  0.00277 Pa (2.08E-005 mm Hg)
  Log Koa (Koawin est  ): 9.279
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.00108 
       Octanol/air (Koa) model:  0.000467 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0376 
       Mackay model           :  0.0796 
       Octanol/air (Koa) model:  0.036 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  23.3168 E-12 cm3/molecule-sec
      Half-Life =     0.459 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     5.505 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0586 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  6.023E+005
      Log Koc:  5.780 

 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: 10.50 (estimated)

 Volatilization from Water:
    Henry LC:  0.407 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.967  hours
    Half-Life from Model Lake :      182.9  hours   (7.621 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.25  percent
    Total to Air:                0.01  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.144           11           1000       
   Water     1.89            900          1000       
   Soil      28.2            1.8e+003     1000       
   Sediment  69.8            8.1e+003     0          
     Persistence Time: 3.12e+003 hr




                    

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