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CAS Number: 2530-85-0
SMILES : CO[Si](CCCOC(=O)C(C)=C)(OC)OC
CHEM : 2-Propenoic acid, 2-methyl-, 3-(trimethoxysilyl)propyl ester
MOL FOR: C10 H20 O5 Si1
MOL WT : 248.35
------------------------------ EPI SUMMARY (v4.11) --------------------------
Physical Property Inputs:
Log Kow (octanol-water): ------
Boiling Point (deg C) : ------
Melting Point (deg C) : ------
Vapor Pressure (mm Hg) : ------
Water Solubility (mg/L): ------
Henry LC (atm-m3/mole) : ------
Log Octanol-Water Partition Coef (SRC):
Log Kow (KOWWIN v1.68 estimate) = 0.75
Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPVP v1.43):
Boiling Pt (deg C): 260.62 (Adapted Stein & Brown method)
Melting Pt (deg C): 34.49 (Mean or Weighted MP)
VP(mm Hg,25 deg C): 0.0127 (Modified Grain method)
VP (Pa, 25 deg C) : 1.69 (Modified Grain method)
Subcooled liquid VP: 0.0154 mm Hg (25 deg C, Mod-Grain method)
: 2.05 Pa (25 deg C, Mod-Grain method)
Water Solubility Estimate from Log Kow (WSKOW v1.42):
Water Solubility at 25 deg C (mg/L): 5493
log Kow used: 0.75 (estimated)
no-melting pt equation used
Water Sol Estimate from Fragments:
Wat Sol (v1.01 est) = 1e+006 mg/L
ECOSAR Class Program (ECOSAR v1.11):
Class(es) found:
Methacrylates
Alkoxy Silanes
Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:
Bond Method : 3.01E-007 atm-m3/mole (3.05E-002 Pa-m3/mole)
Group Method: Incomplete
For Henry LC Comparison Purposes:
User-Entered Henry LC: not entered
Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:
HLC: 7.555E-007 atm-m3/mole (7.655E-002 Pa-m3/mole)
VP: 0.0127 mm Hg (source: MPBPVP)
WS: 5.49E+003 mg/L (source: WSKOWWIN)
Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:
Log Kow used: 0.75 (KowWin est)
Log Kaw used: -4.910 (HenryWin est)
Log Koa (KOAWIN v1.10 estimate): 5.660
Log Koa (experimental database): None
Probability of Rapid Biodegradation (BIOWIN v4.10):
Biowin1 (Linear Model) : 0.8035
Biowin2 (Non-Linear Model) : 0.9724
Expert Survey Biodegradation Results:
Biowin3 (Ultimate Survey Model): 2.7906 (weeks )
Biowin4 (Primary Survey Model) : 3.7184 (days-weeks )
MITI Biodegradation Probability:
Biowin5 (MITI Linear Model) : 0.4793
Biowin6 (MITI Non-Linear Model): 0.3155
Anaerobic Biodegradation Probability:
Biowin7 (Anaerobic Linear Model): 0.6206
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): 2.05 Pa (0.0154 mm Hg)
Log Koa (Koawin est ): 5.660
Kp (particle/gas partition coef. (m3/ug)):
Mackay model : 1.46E-006
Octanol/air (Koa) model: 1.12E-007
Fraction sorbed to airborne particulates (phi):
Junge-Pankow model : 5.28E-005
Mackay model : 0.000117
Octanol/air (Koa) model: 8.98E-006
Atmospheric Oxidation (25 deg C) [AopWin v1.92]:
Hydroxyl Radicals Reaction:
OVERALL OH Rate Constant = 25.1297 E-12 cm3/molecule-sec
Half-Life = 0.426 Days (12-hr day; 1.5E6 OH/cm3)
Half-Life = 5.108 Hrs
Ozone Reaction:
OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec
Half-Life = 1.007 Days (at 7E11 mol/cm3)
Half-Life = 24.179 Hrs
Fraction sorbed to airborne particulates (phi):
8.48E-005 (Junge-Pankow, Mackay avg)
8.98E-006 (Koa method)
Note: the sorbed fraction may be resistant to atmospheric oxidation
Soil Adsorption Coefficient (KOCWIN v2.00):
Koc : 1650 L/kg (MCI method)
Log Koc: 3.217 (MCI method)
Koc : 18.81 L/kg (Kow method)
Log Koc: 1.274 (Kow method)
Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:
Total Kb for pH > 8 at 25 deg C : 2.727E-003 L/mol-sec
Kb Half-Life at pH 8: 8.054 years
Kb Half-Life at pH 7: 80.536 years
(Total Kb applies only to esters, carbmates, alkyl halides)
Bioaccumulation Estimates (BCFBAF v3.01):
Log BCF from regression-based method = 0.500 (BCF = 3.162 L/kg wet-wt)
Log Biotransformation Half-life (HL) = -1.4523 days (HL = 0.03529 days)
Log BCF Arnot-Gobas method (upper trophic) = 0.093 (BCF = 1.24)
Log BAF Arnot-Gobas method (upper trophic) = 0.093 (BAF = 1.24)
log Kow used: 0.75 (estimated)
Volatilization from Water:
Henry LC: 3.01E-007 atm-m3/mole (estimated by Bond SAR Method)
Half-Life from Model River: 3067 hours (127.8 days)
Half-Life from Model Lake : 3.359E+004 hours (1400 days)
Removal In Wastewater Treatment:
Total removal: 1.89 percent
Total biodegradation: 0.09 percent
Total sludge adsorption: 1.78 percent
Total to Air: 0.02 percent
(using 10000 hr Bio P,A,S)
Level III Fugacity Model:
Mass Amount Half-Life Emissions
(percent) (hr) (kg/hr)
Air 0.587 7.18 1000
Water 23.5 360 1000
Soil 74.7 720 1000
Sediment 1.29 3.24e+003 0
Persistence Time: 492 hr