Benzenepropanoic acid, ?,4-bis[(trimethylsilyl)oxy]-, trimethylsilyl ester C18H34O4Si3 structure – Flashcards

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

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

 
 Log Octanol-Water Partition Coef (SRC):
 Log Kow (KOWWIN v1.67 estimate) = 7.14

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 356.22 (Adapted Stein & Brown method)
 Melting Pt (deg C): 98.83 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 1.8E-005 (Modified Grain method)
 Subcooled liquid VP: 9.39E-005 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): 0.002502
 log Kow used: 7.14 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 32.951 mg/L

 ECOSAR Class Program (ECOSAR v0.99h):
 Class(es) found:
 Esters
 Silanes (alkoxy)

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 6.09E-004 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 3.774E-003 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 7.14 (KowWin est)
 Log Kaw used: -1.604 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 8.744
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.6124
 Biowin2 (Non-Linear Model) : 0.1114
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 2.2432 (months )
 Biowin4 (Primary Survey Model) : 3.2039 (weeks )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : -0.5439
 Biowin6 (MITI Non-Linear Model): 0.0002
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): -0.5494
 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): 0.0125 Pa (9.39E-005 mm Hg)
 Log Koa (Koawin est ): 8.744
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 0.00024 
 Octanol/air (Koa) model: 0.000136 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 0.00858 
 Mackay model : 0.0188 
 Octanol/air (Koa) model: 0.0108 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 33.2062 E-12 cm3/molecule-sec
 Half-Life = 0.322 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 3.865 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 0.0137 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 2.237E+005
 Log Koc: 5.350 

 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 = 4.621 (BCF = 4.182e+004)
 log Kow used: 7.14 (estimated)

 Volatilization from Water:
 Henry LC: 0.000609 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 3.957 hours
 Half-Life from Model Lake : 210.6 hours (8.775 days)

 Removal In Wastewater Treatment:
 Total removal: 93.90 percent
 Total biodegradation: 0.78 percent
 Total sludge adsorption: 93.09 percent
 Total to Air: 0.04 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 0.077 7.73 1000 
 Water 1.51 1.44e+003 1000 
 Soil 31 2.88e+003 1000 
 Sediment 67.4 1.3e+004 0 
 Persistence Time: 4.48e+003 hr