ChemSpider 2D Image | tetramethyldisilazane | C4H15NSi2

tetramethyldisilazane

  • Molecular FormulaC4H15NSi2
  • Average mass133.340 Da
  • Monoisotopic mass133.074295 Da
  • ChemSpider ID10654696

More details:

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

N,1,1,1-Tetramethyl-N-silylsilanamin [German] [ACD/IUPAC Name]
N,1,1,1-Tetramethyl-N-silylsilanamine [ACD/IUPAC Name]
N,1,1,1-Tétraméthyl-N-silylsilanamine [French] [ACD/IUPAC Name]
Silanamine, N,1,1,1-tetramethyl-N-silyl- [ACD/Index Name]
tetramethyldisilazane
15933-59-2 [RN]
18116-02-4 [RN]
240-072-2 [EINECS]
TETRAMETHYLSILAZANE

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

Density:
Boiling Point: 108.6±23.0 °C at 760 mmHg
Vapour Pressure: 25.8±0.2 mmHg at 25°C
Enthalpy of Vaporization: 34.7±3.0 kJ/mol
Flash Point: 19.5±22.6 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 1
#H bond donors: 0
#Freely Rotating Bonds: 1
#Rule of 5 Violations:
ACD/LogP:
ACD/LogD (pH 5.5):
ACD/BCF (pH 5.5):
ACD/KOC (pH 5.5):
ACD/LogD (pH 7.4):
ACD/BCF (pH 7.4):
ACD/KOC (pH 7.4):
Polar Surface Area: 3 Å2
Polarizability:
Surface Tension:
Molar Volume:

Predicted data is generated using the US Environmental Protection Agency�s EPISuite™ 

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  1.19

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  74.31  (Adapted Stein & Brown method)
    Melting Pt (deg C):  -82.36  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  110  (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  8646
       log Kow used: 1.19 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  19.205 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   7.30E-005  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  2.232E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.19  (KowWin est)
  Log Kaw used:  -2.525  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  3.715
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6841
   Biowin2 (Non-Linear Model)     :   0.7531
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9045  (weeks       )
   Biowin4 (Primary Survey Model) :   3.6554  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.3171
   Biowin6 (MITI Non-Linear Model):   0.2234
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.5178
 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):  1.43E+004 Pa (107 mm Hg)
  Log Koa (Koawin est  ): 3.715
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  2.1E-010 
       Octanol/air (Koa) model:  1.27E-009 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  7.6E-009 
       Mackay model           :  1.68E-008 
       Octanol/air (Koa) model:  1.02E-007 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   1.7136 E-12 cm3/molecule-sec
      Half-Life =     6.242 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =    74.902 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 1.22E-008 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  116
      Log Koc:  2.064 

 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 = 0.214 (BCF = 1.636)
       log Kow used: 1.19 (estimated)

 Volatilization from Water:
    Henry LC:  7.3E-005 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      10.44  hours
    Half-Life from Model Lake :      210.7  hours   (8.78 days)

 Removal In Wastewater Treatment:
    Total removal:               5.54  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.76  percent
    Total to Air:                3.69  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       11.3            150          1000       
   Water     40.2            360          1000       
   Soil      48.4            720          1000       
   Sediment  0.0844          3.24e+003    0          
     Persistence Time: 304 hr

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