ChemSpider 2D Image | NaHMDS | C6H18NNaSi2

NaHMDS

  • Molecular FormulaC6H18NNaSi2
  • Average mass183.375 Da
  • Monoisotopic mass183.087540 Da
  • ChemSpider ID64669
  • Charge - Charge


More details:






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

1,1,1,3,3,3-Hexaméthyldisilazan-2-ide de sodium [French] [ACD/IUPAC Name]
1070-89-9 [RN]
NaHMDS
Natrium-1,1,1,3,3,3-hexamethyldisilazan-2-id [German] [ACD/IUPAC Name]
Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, sodium salt (1:1) [ACD/Index Name]
Sodium 1,1,1,3,3,3-hexamethyldisilazan-2-ide [ACD/IUPAC Name]
Sodium bis(trimethylsilyl)amide
(Sodium bis trimethylsilyl amide)
5-bromo-1-methylimidazole
dimethyl-[methyl(trimethylsilyl)amino]silicon; sodium
More...

Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module

No predicted properties have been calculated for this compound.

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

                        
 Log Octanol-Water Partition Coef (SRC):
    Log Kow (KOWWIN v1.67 estimate) =  3.61

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  342.56  (Adapted Stein & Brown method)
    Melting Pt (deg C):  105.85  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  3.2E-005  (Modified Grain method)
    Subcooled liquid VP: 0.000198 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):  18.47
       log Kow used: 3.61 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  27.258 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
    Class(es) found:
       Esters
       Benzyl Halides

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   5.60E-009  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  5.784E-007 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  3.61  (KowWin est)
  Log Kaw used:  -6.640  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  10.250
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.7230
   Biowin2 (Non-Linear Model)     :   0.5894
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.4406  (weeks-months)
   Biowin4 (Primary Survey Model) :   3.5796  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.0213
   Biowin6 (MITI Non-Linear Model):   0.0284
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.2605
 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):  0.0264 Pa (0.000198 mm Hg)
  Log Koa (Koawin est  ): 10.250
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  0.000114 
       Octanol/air (Koa) model:  0.00437 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.00409 
       Mackay model           :  0.00901 
       Octanol/air (Koa) model:  0.259 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =  21.2112 E-12 cm3/molecule-sec
      Half-Life =     0.504 Days (12-hr day; 1.5E6 OH/cm3)
      Half-Life =     6.051 Hrs
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.00655 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  5863
      Log Koc:  3.768 

 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]:
  Total Kb for pH > 8 at 25 deg C :  2.009E-016  L/mol-sec
  Kb Half-Life at pH 8: 1.093E+014  years  
  Kb Half-Life at pH 7: 1.093E+015  years  

 Bioaccumulation Estimates from Log Kow (BCFWIN v2.17):
   Log BCF from regression-based method = 2.083 (BCF = 121.1)
       log Kow used: 3.61 (estimated)

 Volatilization from Water:
    Henry LC:  5.6E-009 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River: 1.665E+005  hours   (6939 days)
    Half-Life from Model Lake : 1.817E+006  hours   (7.571E+004 days)

 Removal In Wastewater Treatment:
    Total removal:              15.79  percent
    Total biodegradation:        0.21  percent
    Total sludge adsorption:    15.58  percent
    Total to Air:                0.00  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       0.0377          12.1         1000       
   Water     12              900          1000       
   Soil      86.9            1.8e+003     1000       
   Sediment  1.13            8.1e+003     0          
     Persistence Time: 1.75e+003 hr




                    

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