octyltrichlorosilane C8H17Cl3Si structure – Flashcards

Flashcard maker : Larry Charles

C8H17Cl3Si structure
Molecular Formula C8H17Cl3Si
Average mass 247.665 Da
Density 1.1±0.1 g/cm3
Boiling Point 234.7±0.0 °C at 760 mmHg
Flash Point 96.7±0.0 °C
Molar Refractivity 62.4±0.3 cm3
Polarizability 24.7±0.5 10-24cm3
Surface Tension 26.9±3.0 dyne/cm
Molar Volume 230.5±3.0 cm3
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Boiling Point:

      225-227 °C Alfa Aesar
      225-227 °C Alfa Aesar B23753
      224-226 °C SynQuest 52910, 5181-5-08
      233 °C / 731 mm (234.845 °C / 760 mmHg)
      Oakwood
      [S12750]
      233 °C / 731 mm (234.845 °C / 760 mmHg)
      LabNetwork LN01269339
    • Experimental Flash Point:

      96 °C Alfa Aesar
      96 °C Alfa Aesar
      96 °F (35.5556 °C)
      Alfa Aesar B23753
      96 °C SynQuest 52910, 5181-5-08
      85 °C Oakwood
      [S12750]
      96 °C LabNetwork LN01269339
    • Experimental Gravity:

      1.073 g/mL Alfa Aesar B23753
      1.074 g/mL SynQuest 5181-5-08
      1.07 g/mL Oakwood
      [S12750]
      1.074 g/mL Fluorochem
      1.074 g/l Fluorochem S12750
    • Experimental Refraction Index:

      1.447 Alfa Aesar B23753
      1.449 SynQuest 52910, 5181-5-08
  • Miscellaneous
    • Safety:

      14-34 Alfa Aesar B23753
      8 Alfa Aesar B23753
      8-26-30-36/37/39-45 Alfa Aesar B23753
      Danger Alfa Aesar B23753
      DANGER: CORROSIVE, WATER REACTIVE, burns skin and eyes. Alfa Aesar B23753
      H314-EUH014 Alfa Aesar B23753
      P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Alfa Aesar B23753
      R14,R34 SynQuest 5181-5-08, 52910
      S26,S27,S36/37/39,S45 SynQuest 5181-5-08, 52910
  • Gas Chromatography
    • Retention Index (Kovats):

      1255 (estimated with error: 89) NIST Spectra mainlib_342372, replib_233935

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

Density: 1.1±0.1 g/cm3
Boiling Point: 234.7±0.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 45.2±3.0 kJ/mol
Flash Point: 96.7±0.0 °C
Index of Refraction: 1.454
Molar Refractivity: 62.4±0.3 cm3
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 7
#Rule of 5 Violations: 1
ACD/LogP: 7.91
ACD/LogD (pH 5.5): 7.51
ACD/BCF (pH 5.5): 299807.44
ACD/KOC (pH 5.5): 289666.22
ACD/LogD (pH 7.4): 7.51
ACD/BCF (pH 7.4): 299807.44
ACD/KOC (pH 7.4): 289666.22
Polar Surface Area: 0 Å2
Polarizability: 24.7±0.5 10-24cm3
Surface Tension: 26.9±3.0 dyne/cm
Molar Volume: 230.5±3.0 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) = 5.44

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 214.96 (Adapted Stein & Brown method)
 Melting Pt (deg C): 8.12 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.0704 (Mean VP of Antoine & Grain methods)
 BP (exp database): 232 deg C

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 0.5455
 log Kow used: 5.45 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 0.020705 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 3.88E-002 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 4.206E-002 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 5.44 (KowWin est)
 Log Kaw used: 0.200 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.240
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7381
 Biowin2 (Non-Linear Model) : 0.7917
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.9502 (weeks )
 Biowin4 (Primary Survey Model) : 3.7595 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.3216
 Biowin6 (MITI Non-Linear Model): 0.1682
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.6207
 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): 8.88 Pa (0.0666 mm Hg)
 Log Koa (Koawin est ): 5.240
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 3.38E-007 
 Octanol/air (Koa) model: 4.27E-008 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 1.22E-005 
 Mackay model : 2.7E-005 
 Octanol/air (Koa) model: 3.41E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 9.6450 E-12 cm3/molecule-sec
 Half-Life = 1.109 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 13.308 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 1.96E-005 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 3804
 Log Koc: 3.580 

 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 = 2.493 (BCF = 310.9)
 log Kow used: 5.45 (estimated)

 Volatilization from Water:
 Henry LC: 0.0388 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.63 hours
 Half-Life from Model Lake : 149.7 hours (6.239 days)

 Removal In Wastewater Treatment (recommended maximum 95%):
 Total removal: 96.11 percent
 Total biodegradation: 0.34 percent
 Total sludge adsorption: 64.75 percent
 Total to Air: 31.01 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.34 26.6 1000 
 Water 10.4 360 1000 
 Soil 57.9 720 1000 
 Sediment 29.4 3.24e+003 0 
 Persistence Time: 564 hr




 

Click to predict properties on the Chemicalize site

Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New