ChemSpider 2D Image | Dichlorosilylene | Cl2Si

Dichlorosilylene

  • Molecular FormulaCl2Si
  • Average mass Da
  • Monoisotopic mass Da
  • ChemSpider ID4885741

More details:

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

Dichlorosilylene
13569-32-9 [RN]
4109-96-0 [RN]
438546-17-9 [RN]
Dichlorosilane [ACD/IUPAC Name] [Wiki]
Dichlorosilane [UN2189] [Poison gas]
SiCl2
Silicon chloride hydride

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

333395_ALDRICH [DBID]
UN2189 [DBID]

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

Density:
Boiling Point: 8.3±9.0 °C at 760 mmHg
Vapour Pressure: 1363.9±0.0 mmHg at 25°C
Enthalpy of Vaporization: 24.6±3.0 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) =  1.15

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
    Boiling Pt (deg C):  476.15  (Adapted Stein & Brown method)
    Melting Pt (deg C):  182.88  (Mean or Weighted MP)
    VP(mm Hg,25 deg C):  1.39E+003  (Mean VP of Antoine & Grain methods)
    MP  (exp database):  -122 deg C
    BP  (exp database):  8.3 deg C
    VP  (exp database):  1.35E+03 mm Hg at 25 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
    Water Solubility at 25 deg C (mg/L):  1.211e+004
       log Kow used: 1.15 (estimated)
       no-melting pt equation used

 Water Sol Estimate from Fragments:
    Wat Sol (v1.01 est) =  196.87 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
   Bond Method :   9.74E-003  atm-m3/mole
   Group Method:   Incomplete
 Henrys LC [VP/WSol estimate using EPI values]:  8.341E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
  Log Kow used:  1.15  (KowWin est)
  Log Kaw used:  -0.400  (HenryWin est)
      Log Koa (KOAWIN v1.10 estimate):  1.550
      Log Koa (experimental database):  None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
   Biowin1 (Linear Model)         :   0.6995
   Biowin2 (Non-Linear Model)     :   0.8284
 Expert Survey Biodegradation Results:
   Biowin3 (Ultimate Survey Model):   2.9760  (weeks       )
   Biowin4 (Primary Survey Model) :   3.7020  (days-weeks  )
 MITI Biodegradation Probability:
   Biowin5 (MITI Linear Model)    :   0.4116
   Biowin6 (MITI Non-Linear Model):   0.4036
 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):  1.8E+005 Pa (1.35E+003 mm Hg)
  Log Koa (Koawin est  ): 1.550
   Kp (particle/gas partition coef. (m3/ug)):
       Mackay model           :  1.67E-011 
       Octanol/air (Koa) model:  8.71E-012 
   Fraction sorbed to airborne particulates (phi):
       Junge-Pankow model     :  6.02E-010 
       Mackay model           :  1.33E-009 
       Octanol/air (Koa) model:  6.97E-010 

 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): 9.68E-010 (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 = 0.185 (BCF = 1.532)
       log Kow used: 1.15 (estimated)

 Volatilization from Water:
    Henry LC:  0.00974 atm-m3/mole  (estimated by Bond SAR Method)
    Half-Life from Model River:      1.086  hours
    Half-Life from Model Lake :      96.12  hours   (4.005 days)

 Removal In Wastewater Treatment:
    Total removal:              79.30  percent
    Total biodegradation:        0.03  percent
    Total sludge adsorption:     0.60  percent
    Total to Air:               78.67  percent
      (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
           Mass Amount    Half-Life    Emissions
            (percent)        (hr)       (kg/hr)
   Air       54.7            1e+005       1000       
   Water     42.3            360          1000       
   Soil      2.89            720          1000       
   Sediment  0.0877          3.24e+003    0          
     Persistence Time: 148 hr

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