ChemSpider 2D Image | Trimethylsilyl 3-methyl-2-butenoate | C8H16O2Si

Trimethylsilyl 3-methyl-2-butenoate

  • Molecular FormulaC8H16O2Si
  • Average mass172.297 Da
  • Monoisotopic mass172.091949 Da
  • ChemSpider ID453756

More details:






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

2-Butenoic acid, 3-methyl-, trimethylsilyl ester [ACD/Index Name]
3-Méthyl-2-buténoate de triméthylsilyle [French] [ACD/IUPAC Name]
Crotonic acid, 3-methyl-, trimethylsilyl ester
Trimethylsilyl 3-methyl-2-butenoate [ACD/IUPAC Name]
Trimethylsilyl-3-methyl-2-butenoat [German] [ACD/IUPAC Name]
25436-25-3 [RN]
3,3-Dimethylacrylic acid, trimethylsilyl ester
3-Butenoic acid, 3-methyl-, trimethylsilyl ester [ACD/Index Name]
3-Methyl-2-butenoic acid, trimethylsilyl ester
Acrylic acid, 3,3-dimethyl-, trimethylsilyl ester
More...

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

  • Gas Chromatography
    • Retention Index (Kovats):

      879 (estimated with error: 89) NIST Spectra mainlib_332793, replib_30951, replib_79136
    • Retention Index (Linear):

      1002.7 (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: 25436253; 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
      1007.2 (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: 25436253; 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
      1015 (Program type: Ramp; Column cl... (show more) ass: Semi-standard non-polar; Column diameter: 0.20 mm; Column length: 25 m; Column type: Capillary; Heat rate: 5 K/min; Start T: 50 C; End T: 270 C; CAS no: 25436253; Active phase: SE-52; Carrier gas: He; Phase thickness: 0.40 um; Data type: Linear RI; Authors: Lefevere, M.F.; Verhaeghe, B.J.; Declerck, D.M.; de Leenheer, A.P., Automated profiling of urinary organic acids by dual-column gas chromatography and gas chromatography/mass spectrometry, Biomed. Environ. Mass Spectrom., 15, 1988, 311-322.) 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: 161.6±9.0 °C at 760 mmHg
Vapour Pressure: 2.3±0.3 mmHg at 25°C
Enthalpy of Vaporization: 39.8±3.0 kJ/mol
Flash Point: 43.0±14.3 °C
Index of Refraction: 1.426
Molar Refractivity: 49.5±0.3 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 2.91
ACD/LogD (pH 5.5): 2.72
ACD/BCF (pH 5.5): 68.96
ACD/KOC (pH 5.5): 720.57
ACD/LogD (pH 7.4): 2.72
ACD/BCF (pH 7.4): 68.96
ACD/KOC (pH 7.4): 720.57
Polar Surface Area: 26 Å2
Polarizability: 19.6±0.5 10-24cm3
Surface Tension: 21.8±3.0 dyne/cm
Molar Volume: 193.2±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) =  3.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  170.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -38.15  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.54  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  66.25
       log Kow used: 3.46 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  5317.4 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   4.26E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.270E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.46  (KowWin est)
  Log Kaw used:  -0.759  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  4.219
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6655
   Biowin2 (Non-Linear Model)     :   0.6369
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8184  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5991  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.2078
   Biowin6 (MITI Non-Linear Model):   0.0893
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3647
 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):  187 Pa (1.4 mm Hg)
  Log Koa (Koawin est  ): 4.219
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.61E-008 
       Octanol/air (Koa) model:  4.06E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  5.8E-007 
       Mackay model           :  1.29E-006 
       Octanol/air (Koa) model:  3.25E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  31.1358 E-12 cm3/molecule-sec
      Half-Life =     0.344 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     4.122 Hrs
   Ozone Reaction:
      OVERALL Ozone Rate Constant =     7.393750 E-17 cm3/molecule-sec
      Half-Life =     0.155 Days (at 7E11 mol/cm3)
      Half-Life =      3.720 Hrs
   Fraction sorbed to airborne particulates (phi): 9.33E-007 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  95.78
      Log Koc:  1.981 

 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 = 1.966 (BCF = 92.45)
       log Kow used: 3.46 (estimated)

 Volatilization from Water:
    Henry LC:  0.00426 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:       1.52  hours
    Half-Life from Model Lake :      126.6  hours   (5.277 days)

 Removal In Wastewater Treatment:
    Total removal:              65.58  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     8.53  percent
    Total to Air:               56.96  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.78            2.56         1000       
   Water     22.7            360          1000       
   Soil      75.6            720          1000       
   Sediment  0.927           3.24e+003    0          
     Persistence Time: 279 hr




                    

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