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CAS Number: 695-06-7

SMILES : O=C(OC(C1)CC)C1

CHEM : 2(3H)-Furanone, 5-ethyldihydro-

MOL FOR: C6 H10 O2

MOL WT : 114.15

------------------------------ 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) = 0.60

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

Boiling Pt (deg C): 211.41 (Adapted Stein & Brown method)

Melting Pt (deg C): -22.87 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.165 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 22 (Mean VP of Antoine & Grain methods)

MP (exp database): -18 deg C

BP (exp database): 215.5 deg C

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

Water Solubility at 25 deg C (mg/L): 3.219e+004

log Kow used: 0.60 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 6822.5 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Esters

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

Bond Method : 1.81E-004 atm-m3/mole (1.83E+001 Pa-m3/mole)

Group Method: 6.00E-005 atm-m3/mole (6.08E+000 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: 7.699E-007 atm-m3/mole (7.801E-002 Pa-m3/mole)

VP: 0.165 mm Hg (source: MPBPVP)

WS: 3.22E+004 mg/L (source: WSKOWWIN)

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

Log Kow used: 0.60 (KowWin est)

Log Kaw used: -2.131 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 2.731

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8674

Biowin2 (Non-Linear Model) : 0.9958

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 3.0871 (weeks )

Biowin4 (Primary Survey Model) : 3.9120 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.8180

Biowin6 (MITI Non-Linear Model): 0.9219

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.7538

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): 20.4 Pa (0.153 mm Hg)

Log Koa (Koawin est ): 2.731

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

Mackay model : 1.47E-007

Octanol/air (Koa) model: 1.32E-010

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 5.31E-006

Mackay model : 1.18E-005

Octanol/air (Koa) model: 1.06E-008

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 5.4538 E-12 cm3/molecule-sec

Half-Life = 1.961 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 23.534 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

8.54E-006 (Junge-Pankow, Mackay avg)

1.06E-008 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 19.82 L/kg (MCI method)

Log Koc: 1.297 (MCI method)

Koc : 15.54 L/kg (Kow method)

Log Koc: 1.191 (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) = -1.9306 days (HL = 0.01173 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.011 (BCF = 1.026)

Log BAF Arnot-Gobas method (upper trophic) = 0.011 (BAF = 1.026)

log Kow used: 0.60 (estimated)

Volatilization from Water:

Henry LC: 6E-005 atm-m3/mole (estimated by Group SAR Method)

Half-Life from Model River: 11.52 hours

Half-Life from Model Lake : 215.2 hours (8.967 days)

Removal In Wastewater Treatment:

Total removal: 4.90 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.72 percent

Total to Air: 3.09 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 5.49 47.1 1000

Water 35 360 1000

Soil 59.4 720 1000

Sediment 0.0933 3.24e+003 0

Persistence Time: 339 hr

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