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CAS Num: 002351-90-8

SMILES : O=C(OCC)C=CCCCCC

CHEM : 2-Octenoic acid, ethyl ester

MOL FOR: C10 H18 O2

MOL WT : 170.25

------------------------------ EPI SUMMARY (v4.00) --------------------------

Physical Property Inputs:

Water Solubility (mg/L): ------

Vapor Pressure (mm Hg) : ------

Henry LC (atm-m3/mole) : ------

Log Kow (octanol-water): ------

Boiling Point (deg C) : ------

Melting Point (deg C) : ------

Log Octanol-Water Partition Coef (SRC):

Log Kow (KOWWIN v1.67 estimate) = 3.60

Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.43):

Boiling Pt (deg C): 216.64 (Adapted Stein & Brown method)

Melting Pt (deg C): -10.31 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.156 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 20.8 (Mean VP of Antoine & Grain methods)

Water Solubility Estimate from Log Kow (WSKOW v1.41):

Water Solubility at 25 deg C (mg/L): 52.1

log Kow used: 3.60 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 99.821 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Acrylates

Henrys Law Constant (25 deg C) [HENRYWIN v3.20]:

Bond Method : 5.97E-004 atm-m3/mole (6.05E+001 Pa-m3/mole)

Group Method: 2.94E-004 atm-m3/mole (2.98E+001 Pa-m3/mole)

For Henry LC Comparison Purposes:

User-Entered Henry LC: not entered

Henrys LC [via VP/WSol estimate using User-Entered or Estimated values]:

HLC: 6.707E-004 atm-m3/mole (6.796E+001 Pa-m3/mole)

VP: 0.156 mm Hg (source: MPBPVP)

WS: 52.1 mg/L (source: WSKOWWIN)

Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]:

Log Kow used: 3.60 (KowWin est)

Log Kaw used: -1.612 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.212

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9491

Biowin2 (Non-Linear Model) : 0.9985

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.2615 (days-weeks )

Biowin4 (Primary Survey Model) : 4.1001 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.8097

Biowin6 (MITI Non-Linear Model): 0.9089

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.5140

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): 19.2 Pa (0.144 mm Hg)

Log Koa (Koawin est ): 5.212

Kp (particle/gas partition coef. (m3/ug)):

Mackay model : 1.56E-007

Octanol/air (Koa) model: 4E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 5.64E-006

Mackay model : 1.25E-005

Octanol/air (Koa) model: 3.2E-006

Atmospheric Oxidation (25 deg C) [AopWin v1.92]:

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 26.6927 E-12 cm3/molecule-sec [Cis-isomer]

OVERALL OH Rate Constant = 29.3527 E-12 cm3/molecule-sec [Trans-isomer]

Half-Life = 4.809 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]

Half-Life = 4.373 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]

Ozone Reaction:

OVERALL Ozone Rate Constant = 0.568750 E-17 cm3/molecule-sec [Cis-]

OVERALL Ozone Rate Constant = 1.137500 E-17 cm3/molecule-sec [Trans-]

Half-Life = 2.015 Days (at 7E11 mol/cm3) [Cis-isomer]

Half-Life = 1.007 Days (at 7E11 mol/cm3) [Trans-isomer]

Fraction sorbed to airborne particulates (phi):

9.07E-006 (Junge-Pankow, Mackay avg)

3.2E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 214.1 L/kg (MCI method)

Log Koc: 2.331 (MCI method)

Koc : 709.2 L/kg (Kow method)

Log Koc: 2.851 (Kow method)

Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v2.00]:

Total Kb for pH > 8 at 25 deg C : 8.835E-003 L/mol-sec

Kb Half-Life at pH 8: 2.486 years

Kb Half-Life at pH 7: 24.859 years

(Total Kb applies only to esters, carbmates, alkyl halides)

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 2.040 (BCF = 109.5 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.7861 days (HL = 0.1637 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.775 (BCF = 59.53)

Log BAF Arnot-Gobas method (upper trophic) = 1.775 (BAF = 59.53)

log Kow used: 3.60 (estimated)

Volatilization from Water:

Henry LC: 0.000294 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 3.93 hours

Half-Life from Model Lake : 152.3 hours (6.345 days)

Removal In Wastewater Treatment:

Total removal: 24.96 percent

Total biodegradation: 0.19 percent

Total sludge adsorption: 14.49 percent

Total to Air: 10.28 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 1.98 8.02 1000

Water 25.3 208 1000

Soil 72.5 416 1000

Sediment 0.205 1.87e+003 0

Persistence Time: 237 hr

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