Trimethylsilylpropanoic acid C6H14O2Si structure

C6H14O2Si structure
Molecular Formula C6H14O2Si
Average mass 146.260 Da
Density 0.9±0.1 g/cm3
Boiling Point 223.6±13.0 °C at 760 mmHg
Flash Point 89.0±19.8 °C
Molar Refractivity 40.1±0.3 cm3
Polarizability 15.9±0.5 10-24cm3
Surface Tension 24.6±3.0 dyne/cm
Molar Volume 157.9±3.0 cm3

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

Density: 0.9±0.1 g/cm3
Boiling Point: 223.6±13.0 °C at 760 mmHg
Vapour Pressure: 0.0±0.9 mmHg at 25°C
Enthalpy of Vaporization: 50.7±6.0 kJ/mol
Flash Point: 89.0±19.8 °C
Index of Refraction: 1.422
Molar Refractivity: 40.1±0.3 cm3
#H bond acceptors: 2
#H bond donors: 1
#Freely Rotating Bonds: 3
#Rule of 5 Violations: 0
ACD/LogP: 1.79
ACD/LogD (pH 5.5): 2.05
ACD/BCF (pH 5.5): 15.04
ACD/KOC (pH 5.5): 159.55
ACD/LogD (pH 7.4): 0.28
ACD/BCF (pH 7.4): 1.00
ACD/KOC (pH 7.4): 2.72
Polar Surface Area: 37 Å2
Polarizability: 15.9±0.5 10-24cm3
Surface Tension: 24.6±3.0 dyne/cm
Molar Volume: 157.9±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) = 2.46

 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42):
 Boiling Pt (deg C): 207.31 (Adapted Stein & Brown method)
 Melting Pt (deg C): 22.48 (Mean or Weighted MP)
 VP(mm Hg,25 deg C): 0.25 (Mean VP of Antoine & Grain methods)

 Water Solubility Estimate from Log Kow (WSKOW v1.41):
 Water Solubility at 25 deg C (mg/L): 1538
 log Kow used: 2.46 (estimated)
 no-melting pt equation used

 Water Sol Estimate from Fragments:
 Wat Sol (v1.01 est) = 148.69 mg/L

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

 Henrys Law Constant (25 deg C) [HENRYWIN v3.10]:
 Bond Method : 2.18E-006 atm-m3/mole
 Group Method: Incomplete
 Henrys LC [VP/WSol estimate using EPI values]: 3.128E-005 atm-m3/mole

 Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
 Log Kow used: 2.46 (KowWin est)
 Log Kaw used: -4.050 (HenryWin est)
 Log Koa (KOAWIN v1.10 estimate): 6.510
 Log Koa (experimental database): None

 Probability of Rapid Biodegradation (BIOWIN v4.10):
 Biowin1 (Linear Model) : 0.7506
 Biowin2 (Non-Linear Model) : 0.8285
 Expert Survey Biodegradation Results:
 Biowin3 (Ultimate Survey Model): 3.2406 (weeks )
 Biowin4 (Primary Survey Model) : 4.0223 (days )
 MITI Biodegradation Probability:
 Biowin5 (MITI Linear Model) : 0.5582
 Biowin6 (MITI Non-Linear Model): 0.5879
 Anaerobic Biodegradation Probability:
 Biowin7 (Anaerobic Linear Model): 0.8361
 Ready Biodegradability Prediction: YES

Hydrocarbon Biodegradation (BioHCwin v1.01):
 Structure incompatible with current estimation method!

 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:
 Vapor pressure (liquid/subcooled): 30.7 Pa (0.23 mm Hg)
 Log Koa (Koawin est ): 6.510
 Kp (particle/gas partition coef. (m3/ug)):
 Mackay model : 9.78E-008 
 Octanol/air (Koa) model: 7.94E-007 
 Fraction sorbed to airborne particulates (phi):
 Junge-Pankow model : 3.53E-006 
 Mackay model : 7.83E-006 
 Octanol/air (Koa) model: 6.35E-005 

 Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
 Hydroxyl Radicals Reaction:
 OVERALL OH Rate Constant = 3.0941 E-12 cm3/molecule-sec
 Half-Life = 3.457 Days (12-hr day; 1.5E6 OH/cm3)
 Half-Life = 41.483 Hrs
 Ozone Reaction:
 No Ozone Reaction Estimation
 Fraction sorbed to airborne particulates (phi): 5.68E-006 (Junge,Mackay)
 Note: the sorbed fraction may be resistant to atmospheric oxidation

 Soil Adsorption Coefficient (PCKOCWIN v1.66):
 Koc : 9.012
 Log Koc: 0.955 

 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 = 0.500 (BCF = 3.162)
 log Kow used: 2.46 (estimated)

 Volatilization from Water:
 Henry LC: 2.18E-006 atm-m3/mole (estimated by Bond SAR Method)
 Half-Life from Model River: 326 hours (13.58 days)
 Half-Life from Model Lake : 3658 hours (152.4 days)

 Removal In Wastewater Treatment:
 Total removal: 3.11 percent
 Total biodegradation: 0.10 percent
 Total sludge adsorption: 2.88 percent
 Total to Air: 0.12 percent
 (using 10000 hr Bio P,A,S)

 Level III Fugacity Model:
 Mass Amount Half-Life Emissions
 (percent) (hr) (kg/hr)
 Air 3.58 83 1000 
 Water 26.4 360 1000 
 Soil 69.9 720 1000 
 Sediment 0.173 3.24e+003 0 
 Persistence Time: 476 hr




 

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