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CAS Num: 069925-33-3


CHEM : 4,7-Octadienoic acid, ethyl ester, (Z)-

MOL FOR: C10 H16 O2

MOL WT : 168.24

------------------------------ 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) = 3.46

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

Boiling Pt (deg C): 215.21 (Adapted Stein & Brown method)

Melting Pt (deg C): -11.61 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.167 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 22.3 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 69.63

log Kow used: 3.46 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 102.06 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:


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

Bond Method : 8.35E-004 atm-m3/mole (8.46E+001 Pa-m3/mole)

Group Method: 1.04E-004 atm-m3/mole (1.06E+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: 5.309E-004 atm-m3/mole (5.380E+001 Pa-m3/mole)

VP: 0.167 mm Hg (source: MPBPVP)

WS: 69.6 mg/L (source: WSKOWWIN)

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

Log Kow used: 3.46 (KowWin est)

Log Kaw used: -1.467 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.927

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8416

Biowin2 (Non-Linear Model) : 0.9910

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9676 (weeks )

Biowin4 (Primary Survey Model) : 3.8340 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7844

Biowin6 (MITI Non-Linear Model): 0.8803

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.6647

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): 20.7 Pa (0.155 mm Hg)

Log Koa (Koawin est ): 4.927

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

Mackay model : 1.45E-007

Octanol/air (Koa) model: 2.07E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 5.24E-006

Mackay model : 1.16E-005

Octanol/air (Koa) model: 1.66E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 86.8006 E-12 cm3/molecule-sec [Cis-isomer]

OVERALL OH Rate Constant = 94.4006 E-12 cm3/molecule-sec [Trans-isomer]

Half-Life = 1.479 Hrs (12-hr day; 1.5E6 OH/cm3) [Cis-isomer]

Half-Life = 1.360 Hrs (12-hr day; 1.5E6 OH/cm3) [Trans-isomer]

Ozone Reaction:

OVERALL Ozone Rate Constant = 14.200000 E-17 cm3/molecule-sec [Cis-]

OVERALL Ozone Rate Constant = 21.200001 E-17 cm3/molecule-sec [Trans-]

Half-Life = 1.937 Hrs (at 7E11 mol/cm3) [Cis-isomer]

Half-Life = 1.297 Hrs (at 7E11 mol/cm3) [Trans-isomer]

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

8.43E-006 (Junge-Pankow, Mackay avg)

1.66E-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 : 593.4 L/kg (Kow method)

Log Koc: 2.773 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 4.860E-002 L/mol-sec

Kb Half-Life at pH 8: 165.075 days

Kb Half-Life at pH 7: 4.520 years

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

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.950 (BCF = 89.03 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.8297 days (HL = 0.148 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.715 (BCF = 51.86)

Log BAF Arnot-Gobas method (upper trophic) = 1.715 (BAF = 51.86)

log Kow used: 3.46 (estimated)

Volatilization from Water:

Henry LC: 0.000104 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 8.626 hours

Half-Life from Model Lake : 202.9 hours (8.452 days)

Removal In Wastewater Treatment:

Total removal: 16.35 percent

Total biodegradation: 0.17 percent

Total sludge adsorption: 11.69 percent

Total to Air: 4.50 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.178 1.17 1000

Water 23.6 360 1000

Soil 76 720 1000

Sediment 0.237 3.24e+003 0

Persistence Time: 401 hr

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