Trimethylsilyl {3-methoxy-4-[(trimethylsilyl)oxy]phenyl}[(trimethylsilyl)oxy]acetate

Experimental data
Predicted - ACD/Labs
Predicted - EPISuite
Predicted - ChemAxon

Gas Chromatography

Retention Index (Kovats):

1976 (estimated with error: 89) NIST Spectra mainlib_333506, replib_79055, replib_17231, replib_71485, replib_72207

Retention Index (Normal Alkane):

Retention Index (Linear):

1908 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.15 mm; Column length: 25 m; Column type: Capillary; Heat rate: 10 K/min; Start T: 90 C; End T: 270 C; End time: 7 min; Start time: 1 min; CAS no: 55268661; Active phase: CP Sil 5 CB; Phase thickness: 0.12 um; Data type: Linear RI; Authors: Halket, J.N.; Przyborowska, A.; Stein, S.E.; Mallard, W.G.; Down, S.; Chalmers, R., Deconvolution gas chromatography / mass spectrometry of urinary organic acids - potential for pattern recognition and automated identification of metabolic disorders, Rapid Commun. Mass spectrom., 13, 1999, 279-284.) NIST Spectra nist ri

1892 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column diameter: 0.22 mm; Column length: 10 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 270 C; CAS no: 55268661; Active phase: OV-1; Carrier gas: He; Phase thickness: 0.17 um; Data type: Linear RI; Authors: Lefevere, M.F.; Verhaeghe, B.J.; Declerck, D.H.; Van Bocxlaer, J.F.; De Leenheer, A.P.; De Sagher, R.M., Metabolic Profiling of Urinary Organic Acids by Single and Multicolumn Capillary Gas Chromatography, J. Chromatogr. Sci., 27, 1989, 23-29.) NIST Spectra nist ri

1879 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column type: Capillary; Heat rate: 6 K/min; Start T: 60 C; End T: 280 C; End time: 5 min; Start time: 0.5 min; CAS no: 55268661; Active phase: CP Sil 5 CB; Carrier gas: N2; Data type: Linear RI; Authors: Wurth, C.; Kumps, A.; Mardens, Y., Urinary organic acids: Retention indices on two capillary gas chromatography columns, J. Chromatogr., 491, 1989, 186-192.) NIST Spectra nist ri

1890 (Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 2 m; Column type: Packed; Heat rate: 4 K/min; Start T: 80 C; End T: 240 C; CAS no: 55268661; Active phase: OV-1; Carrier gas: N2; Substrate: Supelcoport; Data type: Linear RI; Authors: Mattsson, M.; Petersson, G., Reference GLC Data for the Analysis of Phenolic Compounds as Trimethylsilyl Derivatives, J. Chromatogr. Sci., 15, 1977, 546-554., Program type: Ramp; Column cl... (show more) ass: Standard non-polar; Column length: 6 ft; Column type: Packed; Heat rate: 10 K/min; Start T: 100 C; End T: 325 C; CAS no: 55268661; Active phase: OV-1; Carrier gas: He; Substrate: Chromosorb W HP (80-100 mesh); Data type: Linear RI; Authors: Butts, W.C., Two-Column Gas Chromatography of Trimethylsilyl Derivatives of Biochemically Significant Compounds, Anal. Biochemistry, 46, 1972, 187-199.) NIST Spectra nist ri

1859.7 (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: 55268661; 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

1896 (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: 100 C; End T: 290 C; End time: 10 min; Start time: 4 min; CAS no: 55268661; Active phase: DB-5; Carrier gas: He; Phase thickness: 1 um; Data type: Linear RI; Authors: Kimura, M.; Yamamoto, T.; Yamaguchi, S., Automated metabolic profiling and interpretation of GC/MS data for organic acidemia screening: a personal computer-based system, Tohoku J. Exp. Med., 188, 1999, 317-334.) NIST Spectra nist ri

1903 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.32 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 70 C; End T: 270 C; CAS no: 55268661; Active phase: SE-52; Carrier gas: He; Phase thickness: 0.52 um; Data type: Linear RI; Authors: Lefevere, M.F.; Verhaeghe, B.J.; Declerck, D.H.; Van Bocxlaer, J.F.; De Leenheer, A.P.; De Sagher, R.M., Metabolic Profiling of Urinary Organic Acids by Single and Multicolumn Capillary Gas Chromatography, J. Chromatogr. Sci., 27, 1989, 23-29.) NIST Spectra nist ri

1905 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.31 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 300 C; CAS no: 55268661; Active phase: Ultra-2; Carrier gas: He; Phase thickness: 0.52 um; Data type: Linear RI; Authors: Tuchman, M.; Bowers, L.D.; Fregien, K.D.; Crippin, P.J.; Krivit, W., Capillary Gas Chromatographic Separation of Urinary Organic Acids. Retention Indices of 101 Urinary Acids on a 5% Phenylmethyl Silicone Capillary Column, J. Chromatogr. Sci., 22, 1984, 198-202.) NIST Spectra nist ri

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

Density:	1.0±0.1 g/cm³
Boiling Point:	390.9±42.0 °C at 760 mmHg
Vapour Pressure:	0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization:	64.0±3.0 kJ/mol
Flash Point:	158.0±23.4 °C
Index of Refraction:	1.464
Molar Refractivity:	115.9±0.3 cm³
#H bond acceptors:	5
#H bond donors:	0
#Freely Rotating Bonds:	9
#Rule of 5 Violations:	0

ACD/LogP:	1.48
ACD/LogD (pH 5.5):	2.51
ACD/BCF (pH 5.5):	47.72
ACD/KOC (pH 5.5):	553.62
ACD/LogD (pH 7.4):	2.51
ACD/BCF (pH 7.4):	47.72
ACD/KOC (pH 7.4):	553.62
Polar Surface Area:	54 Å²
Polarizability:	45.9±0.5 10^-24cm³
Surface Tension:	24.6±3.0 dyne/cm
Molar Volume:	420.1±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) =  6.73

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  368.27  (Adapted Stein & Brown method)
    Melting Pt (deg C):  119.73  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  5.57E-006  (Modified Grain method)
    Subcooled liquid VP: 4.84E-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):  0.004459
       log Kow used: 6.73 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  55.537 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 :   2.72E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  6.817E-004 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  6.73  (KowWin est)
  Log Kaw used:  -2.954  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  9.684
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6820
   Biowin2 (Non-Linear Model)     :   0.3470
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.2246  (months      )
   Biowin4 (Primary Survey Model) :   3.3265  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :  -0.3074
   Biowin6 (MITI Non-Linear Model):   0.0007
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model): -0.0348
 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):  0.00645 Pa (4.84E-005 mm Hg)
  Log Koa (Koawin est  ): 9.684
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000465 
       Octanol/air (Koa) model:  0.00119 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.0165 
       Mackay model           :  0.0359 
       Octanol/air (Koa) model:  0.0866 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  49.9751 E-12 cm3/molecule-sec
      Half-Life =     0.214 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     2.568 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.0262 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  8.998E+004
      Log Koc:  4.954 

 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 = 4.480 (BCF = 3.021e+004)
       log Kow used: 6.73 (estimated)

 Volatilization from Water:
    Henry LC:  2.72E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      45.91  hours   (1.913 days)
    Half-Life from Model Lake :      671.6  hours   (27.98 days)

 Removal In Wastewater Treatment:
    Total removal:              93.68  percent
    Total biodegradation:        0.78  percent
    Total sludge adsorption:    92.90  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       0.0522          5.14         1000       
   Water     1.73            1.44e+003    1000       
   Soil      31.4            2.88e+003    1000       
   Sediment  66.8            1.3e+004     0          
     Persistence Time: 4.42e+003 hr

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More details:

Retention Index (Kovats):

Retention Index (Normal Alkane):

Retention Index (Linear):

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