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CAS Number: 6141-57-7

SMILES : c1coc(C(=O)OC)c1C

CHEM : 2-Furancarboxylic acid, 3-methyl-, methyl ester

MOL FOR: C7 H8 O3

MOL WT : 140.14

------------------------------ EPI SUMMARY (v4.11) --------------------------

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 v1.68 estimate) = 1.50

Log Kow (Exper. database match) = 1.51

Exper. Ref: HANSCH,C ET AL. (1995)

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

Boiling Pt (deg C): 180.87 (Adapted Stein & Brown method)

Melting Pt (deg C): -0.98 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.925 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 123 (Mean VP of Antoine & Grain methods)

Water Solubility Estimate from Log Kow (WSKOW v1.42):

Water Solubility at 25 deg C (mg/L): 4293

log Kow used: 1.51 (expkow database)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 11721 mg/L

ECOSAR Class Program (ECOSAR v1.11):

Class(es) found:

Esters

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

Bond Method : 3.82E-005 atm-m3/mole (3.87E+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: 3.973E-005 atm-m3/mole (4.026E+000 Pa-m3/mole)

VP: 0.925 mm Hg (source: MPBPVP)

WS: 4.29E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: 1.51 (exp database)

Log Kaw used: -2.806 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.316

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.9097

Biowin2 (Non-Linear Model) : 0.9966

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.9548 (weeks )

Biowin4 (Primary Survey Model) : 3.8060 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.6973

Biowin6 (MITI Non-Linear Model): 0.8165

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.3657

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): 112 Pa (0.841 mm Hg)

Log Koa (Koawin est ): 4.316

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

Mackay model : 2.68E-008

Octanol/air (Koa) model: 5.08E-009

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 9.66E-007

Mackay model : 2.14E-006

Octanol/air (Koa) model: 4.07E-007

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 34.3220 E-12 cm3/molecule-sec

Half-Life = 0.312 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 3.740 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

1.55E-006 (Junge-Pankow, Mackay avg)

4.07E-007 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 60.35 L/kg (MCI method)

Log Koc: 1.781 (MCI method)

Koc : 49.51 L/kg (Kow method)

Log Koc: 1.695 (Kow method)

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

Total Kb for pH > 8 at 25 deg C : 1.048E-001 L/mol-sec

Kb Half-Life at pH 8: 76.574 days

Kb Half-Life at pH 7: 2.096 years

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

Bioaccumulation Estimates (BCFBAF v3.01):

Log BCF from regression-based method = 0.663 (BCF = 4.606 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -1.6812 days (HL = 0.02084 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.348 (BCF = 2.231)

Log BAF Arnot-Gobas method (upper trophic) = 0.348 (BAF = 2.231)

log Kow used: 1.51 (expkow database)

Volatilization from Water:

Henry LC: 3.82E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 19.35 hours

Half-Life from Model Lake : 310.4 hours (12.93 days)

Removal In Wastewater Treatment:

Total removal: 3.97 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.85 percent

Total to Air: 2.03 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.999 7.48 1000

Water 29.2 360 1000

Soil 69.6 720 1000

Sediment 0.126 3.24e+003 0

Persistence Time: 392 hr

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