ChemSpider 2D Image | Dibromosilane | H2Br2Si

Dibromosilane

  • Molecular FormulaH2Br2Si
  • Average mass189.909 Da
  • Monoisotopic mass187.829239 Da
  • ChemSpider ID123104

More details:

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

Dibromosilane [ACD/IUPAC Name]
Dibromosilane [French] [ACD/IUPAC Name]
Dibromsilan [German] [ACD/IUPAC Name]
E-SI-E [WLN]
Silane, dibromo- [ACD/Index Name]
13768-94-0 [RN]
14877-32-8 [RN]

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

Density:
Boiling Point: 66.0±9.0 °C at 760 mmHg
Vapour Pressure: 166.5±0.1 mmHg at 25°C
Enthalpy of Vaporization: 31.0±0.0 kJ/mol
Flash Point:
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 0
#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: 0 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) =  1.33

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  514.83  (Adapted Stein & Brown method)
    Melting Pt (deg C):  204.92  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.44E-010  (Modified Grain method)
    Subcooled liquid VP: 1.15E-008 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):  3608
       log Kow used: 1.33 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  101.18 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   Incomplete
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  9.973E-015 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)         :   0.6571
   Biowin2 (Non-Linear Model)     :   0.5774
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.7795  (weeks       )
   Biowin4 (Primary Survey Model) :   3.5737  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.1472
   Biowin6 (MITI Non-Linear Model):   0.0494
 Anaerobic Biodegradation Probability:
   Biowin7 (Anaerobic Linear Model):  0.8361
 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):  1.53E-006 Pa (1.15E-008 mm Hg)
  Log Koa (): not available
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.96 
       Octanol/air (Koa) model:  not available
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  0.986 
       Mackay model           :  0.994 
       Octanol/air (Koa) model:  not available

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
   Hydroxyl Radicals Reaction:
      OVERALL OH Rate Constant =   0.0000 E-12 cm3/molecule-sec
      Half-Life =   -------
   Ozone Reaction:
      No Ozone Reaction Estimation
   Fraction sorbed to airborne particulates (phi): 0.99 (Junge,Mackay)
    Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
      Koc    :  23.74
      Log Koc:  1.376 

 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 = 0.323 (BCF = 2.105)
       log Kow used: 1.33 (estimated)

 Volatilization from Water:
    Henry LC:  9.97E-015 atm-m3/mole  (calculated from VP/WS)
    Half-Life from Model River:  8.09E+010  hours   (3.371E+009 days)
    Half-Life from Model Lake : 8.826E+011  hours   (3.677E+010 days)

 Removal In Wastewater Treatment:
    Total removal:               1.93  percent
    Total biodegradation:        0.09  percent
    Total sludge adsorption:     1.84  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       2.25e-005       1e+005       1000       
   Water     31.2            360          1000       
   Soil      68.7            720          1000       
   Sediment  0.0687          3.24e+003    0          
     Persistence Time: 635 hr

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