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CAS Number: 23074-10-4

SMILES : o1c(C(=O))ccc1CC

CHEM : 5-ethylfuran-2-carbaldehyde

MOL FOR: C7 H8 O2

MOL WT : 124.14

------------------------------ 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) = 1.87

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

Boiling Pt (deg C): 186.64 (Adapted Stein & Brown method)

Melting Pt (deg C): 0.54 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 0.698 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 93.1 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 2447

log Kow used: 1.87 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 5678.2 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Aldehydes (Mono)

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

Bond Method : 1.96E-005 atm-m3/mole (1.99E+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: 4.659E-005 atm-m3/mole (4.721E+000 Pa-m3/mole)

VP: 0.698 mm Hg (source: MPBPVP)

WS: 2.45E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: 1.87 (KowWin est)

Log Kaw used: -3.096 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 4.966

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 1.0277

Biowin2 (Non-Linear Model) : 0.9999

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8723 (weeks )

Biowin4 (Primary Survey Model) : 3.7967 (days )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.7154

Biowin6 (MITI Non-Linear Model): 0.8606

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.5664

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): 84.7 Pa (0.635 mm Hg)

Log Koa (Koawin est ): 4.966

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

Mackay model : 3.54E-008

Octanol/air (Koa) model: 2.27E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.28E-006

Mackay model : 2.83E-006

Octanol/air (Koa) model: 1.82E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 51.1195 E-12 cm3/molecule-sec

Half-Life = 0.209 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 2.511 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Reaction With Nitrate Radicals May Be Important!

Fraction sorbed to airborne particulates (phi):

2.06E-006 (Junge-Pankow, Mackay avg)

1.82E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 18.62 L/kg (MCI method)

Log Koc: 1.270 (MCI method)

Koc : 53.72 L/kg (Kow method)

Log Koc: 1.730 (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 = 0.901 (BCF = 7.966 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.7717 days (HL = 0.1692 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.858 (BCF = 7.207)

Log BAF Arnot-Gobas method (upper trophic) = 0.858 (BAF = 7.207)

log Kow used: 1.87 (estimated)

Volatilization from Water:

Henry LC: 1.96E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 34.42 hours (1.434 days)

Half-Life from Model Lake : 468.9 hours (19.54 days)

Removal In Wastewater Treatment:

Total removal: 3.20 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 2.03 percent

Total to Air: 1.07 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 0.738 5.02 1000

Water 36.5 360 1000

Soil 62.7 720 1000

Sediment 0.0952 3.24e+003 0

Persistence Time: 362 hr

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