ChemSpider 2D Image | tert-Butyl(dimethyl)silyl pentadecanoate | C21H44O2Si

tert-Butyl(dimethyl)silyl pentadecanoate

  • Molecular FormulaC21H44O2Si
  • Average mass356.658 Da
  • Monoisotopic mass356.311066 Da
  • ChemSpider ID460689

More details:






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

Dimethyl(2-methyl-2-propanyl)silyl pentadecanoate [ACD/IUPAC Name]
Dimethyl(2-methyl-2-propanyl)silyl-pentadecanoat [German] [ACD/IUPAC Name]
Pentadécanoate de diméthyl(2-méthyl-2-propanyl)silyle [French] [ACD/IUPAC Name]
Pentadecanoic acid, (1,1-dimethylethyl)dimethylsilyl ester [ACD/Index Name]
Pentadecanoic acid, tert-butyldimethylsilyl ester
tert-Butyl(dimethyl)silyl pentadecanoate
Pentadecanoic acid, TBDMS

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

  • Gas Chromatography
    • Retention Index (Kovats):

      2101 (estimated with error: 89) NIST Spectra mainlib_352554, replib_221803
    • Retention Index (Normal Alkane):

      2174 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.32 mm; Column length: 30 m; Column type: Capillary; Heat rate: 4 K/min; Start T: 60 C; End T: 280 C; Start time: 2 min; CAS no: 104255803; Active phase: DB-1; Carrier gas: N2; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kim, K.R.; Hahn, M.K.; Zlatkis, A.; Horning, E.C.; Middleditch, B.S., Simultaneous gas chromatography of volatile and nonvolatile carboxylic acids as tert.-butyldimethylsilyl derivatives, J. Chromatogr., 468, 1989, 289-301.) NIST Spectra nist ri
      2184 (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: 4 K/min; Start T: 60 C; End T: 290 C; Start time: 2 min; CAS no: 104255803; Active phase: DB-5; Carrier gas: Helium; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Paik, M.-J.; Lee, H.-J.; Kim, K.-R., Simultaneous retention index analysis of urinary amino acids and carboxylic acids for graphic recognition of abnormal state, J. Chromatogr. B, 821, 2005, 94-104.) NIST Spectra nist ri
      2186 (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: 60 C; End T: 280 C; CAS no: 104255803; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Kim, K.-R.; Kim, J.-H.; Park, H.-K., Trace analysis as TBDMS derivatives of organic acids in aqueous samples, J. Korean Chem. Soc., 34(4), 1990, 352-359.) NIST Spectra nist ri
    • Retention Index (Linear):

      2181.2 (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: 104255803; 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
      2185 (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: 10 K/min; Start T: 100 C; End T: 300 C; End time: 15 min; Start time: 1 min; CAS no: 104255803; Active phase: DB-5; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Ohie, T.; Fu, X.; Iga, M.; Kimura, M.; Yamaguchi, S., Gas chromatography-mass spectrometry with tert .-butyldimethylsilyl derivatization: use of the simplified sample preparations and the automated data system to screen for organic acidemias, J. Chromatogr. B, 746, 2000, 63-73.) 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: 387.3±11.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 63.6±3.0 kJ/mol
Flash Point: 156.3±14.8 °C
Index of Refraction: 1.443
Molar Refractivity: 109.8±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 16
#Rule of 5 Violations: 1
ACD/LogP: 9.37
ACD/LogD (pH 5.5): 9.16
ACD/BCF (pH 5.5): 1000000.00
ACD/KOC (pH 5.5): 2304395.00
ACD/LogD (pH 7.4): 9.16
ACD/BCF (pH 7.4): 1000000.00
ACD/KOC (pH 7.4): 2304395.00
Polar Surface Area: 26 Å2
Polarizability: 43.5±0.5 10-24cm3
Surface Tension: 27.2±3.0 dyne/cm
Molar Volume: 414.4±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) =  9.89

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  360.33  (Adapted Stein & Brown method)
    Melting Pt (deg C):  101.31  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.35E-005  (Modified Grain method)
    Subcooled liquid VP: 7.5E-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):  2.005e-005
       log Kow used: 9.89 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  0.00077805 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 :   3.06E-001  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  3.160E-001 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  9.89  (KowWin est)
  Log Kaw used:  1.097  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  8.793
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.5022
   Biowin2 (Non-Linear Model)     :   0.1261
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4972  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.4488  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3635
   Biowin6 (MITI Non-Linear Model):   0.1582
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.0446
 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):  0.01 Pa (7.5E-005 mm Hg)
  Log Koa (Koawin est  ): 8.793
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.0003 
       Octanol/air (Koa) model:  0.000152 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0107 
       Mackay model           :  0.0234 
       Octanol/air (Koa) model:  0.012 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  18.0168 E-12 cm3/molecule-sec
      Half-Life =     0.594 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     7.124 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0171 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  2.405E+005
      Log Koc:  5.381 

 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: 9.89 (estimated)

 Volatilization from Water:
    Henry LC:  0.306 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.931  hours
    Half-Life from Model Lake :      179.4  hours   (7.476 days)

 Removal In Wastewater Treatment:
    Total removal:              94.04  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    93.23  percent
    Total to Air:                0.03  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.182           14.2         1000       
   Water     1.9             900          1000       
   Soil      28              1.8e+003     1000       
   Sediment  69.9            8.1e+003     0          
     Persistence Time: 3.11e+003 hr




                    

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