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CAS Number: 72917-31-8

SMILES : CCCC=C1c2ccccc2C(=O)O1

CHEM : (3Z)-3-butylidene-2-benzofuran-1-one

MOL FOR: C12 H12 O2

MOL WT : 188.23

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

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 v1.67 estimate) = 2.52

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

Boiling Pt (deg C): 331.28 (Adapted Stein & Brown method)

Melting Pt (deg C): 76.23 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.000119 (Modified Grain method)

VP (Pa, 25 deg C) : 0.0159 (Modified Grain method)

Subcooled liquid VP: 0.000365 mm Hg (25 deg C, Mod-Grain method)

: 0.0487 Pa (25 deg C, Mod-Grain method)

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

Water Solubility at 25 deg C (mg/L): 353.5

log Kow used: 2.52 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 47.49 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

Vinyl/Allyl Esters

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

Bond Method : 1.30E-004 atm-m3/mole (1.31E+001 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: 8.337E-008 atm-m3/mole (8.448E-003 Pa-m3/mole)

VP: 0.000119 mm Hg (source: MPBPVP)

WS: 354 mg/L (source: WSKOWWIN)

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

Log Kow used: 2.52 (KowWin est)

Log Kaw used: -2.275 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.795

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9405

Biowin2 (Non-Linear Model) : 0.9981

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.2218 (weeks )

Biowin4 (Primary Survey Model) : 4.0742 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6342

Biowin6 (MITI Non-Linear Model): 0.7161

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.2074

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): 0.0487 Pa (0.000365 mm Hg)

Log Koa (Koawin est ): 4.795

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

Mackay model : 6.16E-005

Octanol/air (Koa) model: 1.53E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 0.00222

Mackay model : 0.00491

Octanol/air (Koa) model: 1.22E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 91.0360 E-12 cm3/molecule-sec

Half-Life = 0.117 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 1.410 Hrs

Ozone Reaction:

OVERALL Ozone Rate Constant = 13.650000 E-17 cm3/molecule-sec

Half-Life = 0.084 Days (at 7E11 mol/cm3)

Half-Life = 2.015 Hrs

Fraction sorbed to airborne particulates (phi):

0.00356 (Junge-Pankow, Mackay avg)

1.22E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 726.2 L/kg (MCI method)

Log Koc: 2.861 (MCI method)

Koc : 179.2 L/kg (Kow method)

Log Koc: 2.253 (Kow method)

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

Rate constants can NOT be estimated for this structure!

Bioaccumulation Estimates (BCFBAF v3.00):

Log BCF from regression-based method = 1.330 (BCF = 21.36 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.4440 days (HL = 0.3597 days)

Log BCF Arnot-Gobas method (upper trophic) = 1.449 (BCF = 28.12)

Log BAF Arnot-Gobas method (upper trophic) = 1.449 (BAF = 28.12)

log Kow used: 2.52 (estimated)

Volatilization from Water:

Henry LC: 0.00013 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 7.579 hours

Half-Life from Model Lake : 197.7 hours (8.238 days)

Removal In Wastewater Treatment:

Total removal: 9.07 percent

Total biodegradation: 0.10 percent

Total sludge adsorption: 2.92 percent

Total to Air: 6.05 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.166 1.18 1000

Water 21.1 360 1000

Soil 78.2 720 1000

Sediment 0.566 3.24e+003 0

Persistence Time: 422 hr

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