ChemSpider 2D Image | TMSI | C6H12N2Si

TMSI

  • Molecular FormulaC6H12N2Si
  • Average mass140.258 Da
  • Monoisotopic mass140.076981 Da
  • ChemSpider ID26905

More details:






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

(Trimethylsilyl)imidazole
1-(Trimethylsilyl)-1H-imidazol [German] [ACD/IUPAC Name]
1-(Trimethylsilyl)-1H-imidazole [ACD/IUPAC Name]
1-(Triméthylsilyl)-1H-imidazole [French] [ACD/IUPAC Name]
1-(Trimethylsilyl)imidazole
18156-74-6 [RN]
1H-Imidazole, 1- (trimethylsilyl)-
1H-Imidazole, 1-(trimethylsilyl)- [ACD/Index Name]
242-040-3 [EINECS]
Imidazole, 1- (trimethylsilyl)-
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Validated by Experts, Validated by Users, Non-Validated, Removed by Users

MFCD00005280 [DBID]
153583_ALDRICH [DBID]
33156U_SUPELCO [DBID]
33159U_SUPELCO [DBID]
394874_ALDRICH [DBID]
92718_FLUKA [DBID]
92751_FLUKA [DBID]
AI3-52901 [DBID]
BRN 0606148 [DBID]
NSC 139860 [DBID]
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  • Experimental Physico-chemical Properties
  • Miscellaneous
    • Safety:

      11-36/37/38 Alfa Aesar A12512
      16-26-33-37 Alfa Aesar A12512
      3 Alfa Aesar A12512
      Danger Alfa Aesar A12512
      DANGER: FLAMMABLE, irritates skin and eyes Alfa Aesar A12512
      H225-H315-H319-H335 Alfa Aesar A12512
      P210-P261-P303+P361+P353-P305+P351+P338-P405-P501a Alfa Aesar A12512
    • Chemical Class:

      A member of the class of imidazoles in which the hydrogen at position 1 is replaced by a trimethylsilyl group. <element>N</element>-trimethylsilylimidazole is a derivatisation agent used in gas chroma tography/mass spectrometry applications. ChEBI CHEBI:85063
      A member of the class of imidazoles in which the hydrogen at position 1 is replaced by a trimethylsilyl group. N-trimethylsilylimidazole is a derivatisation agent used in gas chromatography/mass spect rometry applications. ChEBI CHEBI:85063
  • Gas Chromatography

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

Density: 0.9±0.1 g/cm3
Boiling Point: 209.4±9.0 °C at 760 mmHg
Vapour Pressure: 0.2±0.4 mmHg at 25°C
Enthalpy of Vaporization: 44.6±3.0 kJ/mol
Flash Point: 80.5±18.7 °C
Index of Refraction: 1.479
Molar Refractivity: 43.2±0.5 cm3
#H bond acceptors: 2
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations: 0
ACD/LogP: 1.12
ACD/LogD (pH 5.5): 0.32
ACD/BCF (pH 5.5): 1.00
ACD/KOC (pH 5.5): 3.62
ACD/LogD (pH 7.4): 1.84
ACD/BCF (pH 7.4): 10.26
ACD/KOC (pH 7.4): 119.89
Polar Surface Area: 18 Å2
Polarizability: 17.1±0.5 10-24cm3
Surface Tension: 23.7±7.0 dyne/cm
Molar Volume: 152.4±7.0 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) =  2.38

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  232.44  (Adapted Stein & Brown method)
    Melting Pt (deg C):  28.95  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  0.0601  (Modified Grain method)
    Subcooled liquid VP: 0.0651 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):  774.3
       log Kow used: 2.38 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  30043 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Imidazoles

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  1.432E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Can Not Estimate (can not calculate HenryLC)

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6808
   Biowin2 (Non-Linear Model)     :   0.7344
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.8892  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6454  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3207
   Biowin6 (MITI Non-Linear Model):   0.2488
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.3111
 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):  8.68 Pa (0.0651 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  3.46E-007 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  1.25E-005 
       Mackay model           :  2.76E-005 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  36.4488 E-12 cm3/molecule-sec
      Half-Life =     0.293 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     3.521 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 2.01E-005 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  69.39
      Log Koc:  1.841 

 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 = 1.133 (BCF = 13.58)
       log Kow used: 2.38 (estimated)

 Volatilization from Water:
    Henry LC:  1.43E-005 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:      49.61  hours   (2.067 days)
    Half-Life from Model Lake :      640.5  hours   (26.69 days)

 Removal In Wastewater Treatment:
    Total removal:               3.57  percent
    Total biodegradation:        0.10  percent
    Total sludge adsorption:     2.68  percent
    Total to Air:                0.79  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.777           7.04         1000       
   Water     27.8            360          1000       
   Soil      71.3            720          1000       
   Sediment  0.161           3.24e+003    0          
     Persistence Time: 427 hr




                    

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