Ethyl 5-acetyl-3-methyl-1,2-oxazole-4-carboxylate
CCOC(=O)c1c(noc1C(=O)C)C
InChI=1S/C9H11NO4/c1-4-13-9(12)7-5(2)10-14-8(7)6(3)11/h4H2,1-3H3
MPDKUFZYJWTWJE-UHFFFAOYSA-N
CSID:2832331, http://www.chemspider.com/Chemical-Structure.2832331.html (accessed 11:49, May 28, 2023)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module
Predicted data is generated using the US Environmental Protection Agency�s EPISuite
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 0.52 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 280.15 (Adapted Stein & Brown method) Melting Pt (deg C): 78.09 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.00174 (Modified Grain method) Subcooled liquid VP: 0.00556 mm Hg (25 deg C, Mod-Grain method) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1.623e+004 log Kow used: 0.52 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1.0414e+005 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Esters Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 9.75E-010 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 2.782E-008 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.52 (KowWin est) Log Kaw used: -7.399 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 7.919 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.8893 Biowin2 (Non-Linear Model) : 0.9880 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.8063 (weeks ) Biowin4 (Primary Survey Model) : 3.7014 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.6787 Biowin6 (MITI Non-Linear Model): 0.7085 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.1111 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): 0.741 Pa (0.00556 mm Hg) Log Koa (Koawin est ): 7.919 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 4.05E-006 Octanol/air (Koa) model: 2.04E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.000146 Mackay model : 0.000324 Octanol/air (Koa) model: 0.00163 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 10.9997 E-12 cm3/molecule-sec Half-Life = 0.972 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 11.669 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.000235 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 36.53 Log Koc: 1.563 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Total Kb for pH > 8 at 25 deg C : 3.776E-002 L/mol-sec Kb Half-Life at pH 8: 212.462 days Kb Half-Life at pH 7: 5.817 years Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.500 (BCF = 3.162) log Kow used: 0.52 (estimated) Volatilization from Water: Henry LC: 9.75E-010 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 8.432E+005 hours (3.514E+004 days) Half-Life from Model Lake : 9.199E+006 hours (3.833E+005 days) Removal In Wastewater Treatment: Total removal: 1.86 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.77 percent Total to Air: 0.00 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.0224 23.3 1000 Water 37.4 360 1000 Soil 62.5 720 1000 Sediment 0.0706 3.24e+003 0 Persistence Time: 587 hr
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