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CAS Number: 29584-92-7

SMILES : CCc1c(nco1)C

CHEM : 5-ethyl-4-methyl-1,3-oxazole

MOL FOR: C6 H9 N1 O1

MOL WT : 111.14

------------------------------ 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) = 1.80

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

Boiling Pt (deg C): 142.33 (Adapted Stein & Brown method)

Melting Pt (deg C): -3.26 (Mean or Weighted MP)

VP(mm Hg,25 deg C): 5.71 (Mean VP of Antoine & Grain methods)

VP (Pa, 25 deg C) : 762 (Mean VP of Antoine & Grain methods)

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

Water Solubility at 25 deg C (mg/L): 3128

log Kow used: 1.80 (estimated)

no-melting pt equation used

Water Sol Estimate from Fragments:

Wat Sol (v1.01 est) = 3917.8 mg/L

ECOSAR Class Program (ECOSAR v1.00):

Class(es) found:

Neutral Organics

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

Bond Method : 1.14E-005 atm-m3/mole (1.15E+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: 2.669E-004 atm-m3/mole (2.705E+001 Pa-m3/mole)

VP: 5.71 mm Hg (source: MPBPVP)

WS: 3.13E+003 mg/L (source: WSKOWWIN)

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

Log Kow used: 1.80 (KowWin est)

Log Kaw used: -3.332 (HenryWin est)

Log Koa (KOAWIN v1.10 estimate): 5.132

Log Koa (experimental database): None

Probability of Rapid Biodegradation (BIOWIN v4.10):

Biowin1 (Linear Model) : 0.8040

Biowin2 (Non-Linear Model) : 0.9299

Expert Survey Biodegradation Results:

Biowin3 (Ultimate Survey Model): 2.8039 (weeks )

Biowin4 (Primary Survey Model) : 3.5503 (days-weeks )

MITI Biodegradation Probability:

Biowin5 (MITI Linear Model) : 0.3759

Biowin6 (MITI Non-Linear Model): 0.4108

Anaerobic Biodegradation Probability:

Biowin7 (Anaerobic Linear Model): 0.1675

Ready Biodegradability Prediction: NO

Hydrocarbon Biodegradation (BioHCwin v1.01):

Structure incompatible with current estimation method!

Sorption to aerosols (25 Dec C)[AEROWIN v1.00]:

Vapor pressure (liquid/subcooled): 700 Pa (5.25 mm Hg)

Log Koa (Koawin est ): 5.132

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

Mackay model : 4.29E-009

Octanol/air (Koa) model: 3.33E-008

Fraction sorbed to airborne particulates (phi):

Junge-Pankow model : 1.55E-007

Mackay model : 3.43E-007

Octanol/air (Koa) model: 2.66E-006

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

Hydroxyl Radicals Reaction:

OVERALL OH Rate Constant = 14.8280 E-12 cm3/molecule-sec

Half-Life = 0.721 Days (12-hr day; 1.5E6 OH/cm3)

Half-Life = 8.656 Hrs

Ozone Reaction:

No Ozone Reaction Estimation

Fraction sorbed to airborne particulates (phi):

2.49E-007 (Junge-Pankow, Mackay avg)

2.66E-006 (Koa method)

Note: the sorbed fraction may be resistant to atmospheric oxidation

Soil Adsorption Coefficient (KOCWIN v2.00):

Koc : 400.8 L/kg (MCI method)

Log Koc: 2.603 (MCI method)

Koc : 36.46 L/kg (Kow method)

Log Koc: 1.562 (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 = 0.855 (BCF = 7.159 L/kg wet-wt)

Log Biotransformation Half-life (HL) = -0.8248 days (HL = 0.1497 days)

Log BCF Arnot-Gobas method (upper trophic) = 0.792 (BCF = 6.2)

Log BAF Arnot-Gobas method (upper trophic) = 0.792 (BAF = 6.2)

log Kow used: 1.80 (estimated)

Volatilization from Water:

Henry LC: 1.14E-005 atm-m3/mole (estimated by Bond SAR Method)

Half-Life from Model River: 55.22 hours (2.301 days)

Half-Life from Model Lake : 690.8 hours (28.78 days)

Removal In Wastewater Treatment:

Total removal: 2.72 percent

Total biodegradation: 0.09 percent

Total sludge adsorption: 1.99 percent

Total to Air: 0.63 percent

(using 10000 hr Bio P,A,S)

Level III Fugacity Model:

Mass Amount Half-Life Emissions

(percent) (hr) (kg/hr)

Air 1.5 17.3 1000

Water 24.8 360 1000

Soil 73.3 720 1000

Sediment 0.407 3.24e+003 0

Persistence Time: 458 hr

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