ChemSpider 2D Image | N,O-Di-(trimethylsilyl)glycine | C8H21NO2Si2

N,O-Di-(trimethylsilyl)glycine

  • Molecular FormulaC8H21NO2Si2
  • Average mass219.429 Da
  • Monoisotopic mass219.111084 Da
  • ChemSpider ID461807

More details:






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

Glycine, N-(trimethylsilyl)-, trimethylsilyl ester [ACD/Index Name]
N-(Triméthylsilyl)glycinate de triméthylsilyle [French] [ACD/IUPAC Name]
N,O-Di-(trimethylsilyl)glycine
Trimethylsilyl N-(trimethylsilyl)glycinate [ACD/IUPAC Name]
Trimethylsilyl-N-(trimethylsilyl)glycinat [German] [ACD/IUPAC Name]
B-Ala, TMS, # 1
Gly, TMS, #1
Glycine, bis-TMS
Glycine, di-TMS
Glycine, N,O-TMS
More...
  • Gas Chromatography
    • Retention Index (Kovats):

      1002 (estimated with error: 89) NIST Spectra mainlib_78872, replib_71650, replib_158657
    • Retention Index (Normal Alkane):

      1149 (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: 70 C; End T: 280 C; End time: 3 min; Start time: 3 min; CAS no: 7364423; Active phase: HP-5MS; Carrier gas: He; Phase thickness: 0.25 um; Data type: Normal alkane RI; Authors: Lee, B.Y.; Yanamandra, K.; Thurmon, T.F., Quantitative estimation of organic analytes with a capillary column, Am. Clin. Lab., , 2002, 30-34.) NIST Spectra nist ri
    • Retention Index (Linear):

      1105 (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: 290 C; End time: 8 min; Start time: 1 min; CAS no: 7364423; Active phase: DB-5; Carrier gas: He; Phase thickness: 0.25 um; Data type: Linear RI; Authors: Fu, X.; Iga, M.; Kimura, M.; Yamaguchi, S., Simplified screening for organic acidemia using GC/MS and dried urine filter paper: a study on neonatal mass screening, Early Hum. Dev., 58, 2000, 41-55., 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: 7364423; 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

Density: 0.9±0.1 g/cm3
Boiling Point: 184.4±23.0 °C at 760 mmHg
Vapour Pressure: 0.7±0.4 mmHg at 25°C
Enthalpy of Vaporization: 42.1±3.0 kJ/mol
Flash Point: 65.3±22.6 °C
Index of Refraction: 1.421
Molar Refractivity: 61.9±0.3 cm3
#H bond acceptors: 3
#H bond donors: 1
#Freely Rotating Bonds: 5
#Rule of 5 Violations: 0
ACD/LogP: 2.15
ACD/LogD (pH 5.5): -0.12
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 1.00
ACD/LogD (pH 7.4): 0.86
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 7.92
Polar Surface Area: 38 Å2
Polarizability: 24.5±0.5 10-24cm3
Surface Tension: 20.7±3.0 dyne/cm
Molar Volume: 244.4±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) =  2.54

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  200.46  (Adapted Stein & Brown method)
    Melting Pt (deg C):  1.46  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.353  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  235.9
       log Kow used: 2.54 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  2833.5 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   3.39E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  4.320E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  2.54  (KowWin est)
  Log Kaw used:  -2.858  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  5.398
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6431
   Biowin2 (Non-Linear Model)     :   0.4732
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7143  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5311  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1112
   Biowin6 (MITI Non-Linear Model):   0.0369
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3846
 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):  43.1 Pa (0.323 mm Hg)
  Log Koa (Koawin est  ): 5.398
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  6.97E-008 
       Octanol/air (Koa) model:  6.14E-008 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  2.52E-006 
       Mackay model           :  5.57E-006 
       Octanol/air (Koa) model:  4.91E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   3.5903 E-12 cm3/molecule-sec
      Half-Life =     2.979 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    35.749 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 4.04E-006 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  189.4
      Log Koc:  2.277 

 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 = 1.254 (BCF = 17.95)
       log Kow used: 2.54 (estimated)

 Volatilization from Water:
    Henry LC:  3.39E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       27.1  hours   (1.129 days)
    Half-Life from Model Lake :      419.8  hours   (17.49 days)

 Removal In Wastewater Treatment:
    Total removal:               4.97  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     3.07  percent
    Total to Air:                1.79  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       2.39            71.5         1000       
   Water     21.3            900          1000       
   Soil      76.1            1.8e+003     1000       
   Sediment  0.188           8.1e+003     0          
     Persistence Time: 876 hr




                    

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