1,1,1,3,3,3-Hexamethyl-2-(trimethylsilyl)disilaphosphane C9H27?3 structure – Flashcards

Flashcard maker : Adam Howard

Molecular Formula C9H27?3
Average mass 250.541 Da
Density
Boiling Point 243.5±0.0 °C at 760 mmHg
Flash Point 87.1±22.6 °C
Molar Refractivity
Polarizability
Surface Tension
Molar Volume
  • Experimental data
  • Predicted – ACD/Labs
  • Predicted – EPISuite
  • Predicted – ChemAxon
  • Experimental Physico-chemical Properties
    • Experimental Melting Point:

      24 °C Alfa Aesar
      24 °C Jean-Claude Bradley Open Melting Point Dataset 8699
      24 °C Alfa Aesar 30218
    • Experimental Boiling Point:

      102-105 deg C / 16 mm (238.1511-242.1397 °C / 760 mmHg)
      Alfa Aesar
      102-105 °C / 16 mm (238.1511-242.1397 °C / 760 mmHg)
      Alfa Aesar 30218
    • Experimental Gravity:

      0.863 g/mL Alfa Aesar 30218
    • Experimental Refraction Index:

      1.502 Alfa Aesar 30218
  • Miscellaneous
    • Safety:

      17-36/38 Alfa Aesar 30218
      4.2 Alfa Aesar 30218
      7-17-26-37 Alfa Aesar 30218
      Danger Alfa Aesar 30218
      DANGER: PYROPHORIC, burns skin and eyes Alfa Aesar 30218
      H250-H252-H315-H319 Alfa Aesar 30218
      P210-P222-P280-P305+P351+P338-P362-P422a Alfa Aesar 30218

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

Density:
Boiling Point: 243.5±0.0 °C at 760 mmHg
Vapour Pressure: 0.1±0.4 mmHg at 25°C
Enthalpy of Vaporization: 46.1±3.0 kJ/mol
Flash Point: 87.1±22.6 °C
Index of Refraction:
Molar Refractivity:
#H bond acceptors: 0
#H bond donors: 0
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 4.82
ACD/LogD (pH 5.5): 6.15
ACD/BCF (pH 5.5): 27992.27
ACD/KOC (pH 5.5): 53060.93
ACD/LogD (pH 7.4): 6.15
ACD/BCF (pH 7.4): 27992.27
ACD/KOC (pH 7.4): 53060.93
Polar Surface Area: 14 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) = 5.56

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 156.18 (Adapted Stein & Brown method)
 Melting Pt (deg C): -58.84 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 3.01 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 0.4228
 log Kow used: 5.56 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 3.9964e-005 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 1.95E-002 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 2.347E+000 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 5.56 (KowWin est)
 Log Kaw used: -0.098 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 5.658
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6283
 Biowin2 (Non-Linear Model) : 0.3661
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.6455 (weeks-months)
 Biowin4 (Primary Survey Model) : 3.4863 (days-weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.0295
 Biowin6 (MITI Non-Linear Model): 0.0106
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.1199
 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): 365 Pa (2.74 mm Hg)
 Log Koa (Koawin est ): 5.658
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 8.21E-009 
 Octanol/air (Koa) model: 1.12E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 2.97E-007 
 Mackay model : 6.57E-007 
 Octanol/air (Koa) model: 8.93E-006 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 1.3464 E-12 cm3/molecule-sec
 Half-Life = 7.944 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 95.330 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 4.77E-007 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2997
 Log Koc: 3.477 

 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 = 3.578 (BCF = 3785)
 log Kow used: 5.56 (estimated)

 Volatilization from Water:
 Henry LC: 0.0195 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 1.663 hours
 Half-Life from Model Lake : 150.9 hours (6.286 days)

 Removal In Wastewater Treatment:
 Total removal: 94.15 percent
 Total biodegradation: 0.48 percent
 Total sludge adsorption: 73.12 percent
 Total to Air: 20.56 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 2.5 191 1000 
 Water 5.07 900 1000 
 Soil 56.2 1.8e+003 1000 
 Sediment 36.3 8.1e+003 0 
 Persistence Time: 1.46e+003 hr




 

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