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CAS Num: 000591-11-7

SMILES : O=C1C=CC(C)O1

CHEM : 2(5H)-FURANONE, 5-METHYL-

MOL FOR: C5 H6 O2

MOL WT : 98.10

------------------------------ 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) = -0.10

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

Boiling Pt (deg C): 194.22 (Adapted Stein & Brown method)

Melting Pt (deg C): -33.14 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.23 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 30.6 (Mean VP of Antoine & Grain methods)

MP (exp database): <-17 deg C

BP (exp database): 209 deg C

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

Water Solubility at 25 deg C (mg/L): 1.451e+005

log Kow used: -0.10 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 17284 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Acrylates

Vinyl/Allyl Esters

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

Bond Method : 6.39E-005 atm-m3/mole (6.47E+000 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: 2.046E-007 atm-m3/mole (2.073E-002 Pa-m3/mole)

VP: 0.23 mm Hg (source: MPBPVP)

WS: 1.45E+005 mg/L (source: WSKOWWIN)

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

Log Kow used: -0.10 (KowWin est)

Log Kaw used: -2.583 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 2.483

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8750

Biowin2 (Non-Linear Model) : 0.9966

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.1226 (weeks )

Biowin4 (Primary Survey Model) : 3.9352 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7893

Biowin6 (MITI Non-Linear Model): 0.8896

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.8208

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): 28.1 Pa (0.211 mm Hg)

Log Koa (Koawin est ): 2.483

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

Mackay model : 1.07E-007

Octanol/air (Koa) model: 7.46E-011

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 3.85E-006

Mackay model : 8.53E-006

Octanol/air (Koa) model: 5.97E-009

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 13.4338 E-12 cm3/molecule-sec

Half-Life = 0.796 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 9.554 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):

6.19E-006 (Junge-Pankow, Mackay avg)

5.97E-009 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 10.39 L/kg (MCI method)

Log Koc: 1.017 (MCI method)

Koc : 6.371 L/kg (Kow method)

Log Koc: 0.804 (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 = 0.500 (BCF = 3.162 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -2.1255 days (HL = 0.00749 days)

Log BCF Arnot-Gobas method (upper trophic) = -0.040 (BCF = 0.9123)

Log BAF Arnot-Gobas method (upper trophic) = -0.040 (BAF = 0.9123)

log Kow used: -0.10 (estimated)

Volatilization from Water:

Henry LC: 6.39E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 10.09 hours

Half-Life from Model Lake : 193.1 hours (8.045 days)

Removal In Wastewater Treatment:

Total removal: 5.07 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.71 percent

Total to Air: 3.27 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 2.2 10.7 1000

Water 40.6 360 1000

Soil 57.1 720 1000

Sediment 0.0921 3.24e+003 0

Persistence Time: 295 hr

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