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Ethyl 3-oxobutanoate
CCOC(=O)CC(=O)C
InChI=1S/C6H10O3/c1-3-9-6(8)4-5(2)7/h3-4H2,1-2H3
XYIBRDXRRQCHLP-UHFFFAOYSA-N
CSID:13865426, http://www.chemspider.com/Chemical-Structure.13865426.html (accessed 22:12, Apr 23, 2024)
Validated by Experts, Validated by Users, Non-Validated, Removed by Users
Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, version: 14.00
Predicted data is generated using the US Environmental Protection Agency�s EPISuite
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = -0.20 Log Kow (Exper. database match) = 0.25 Exper. Ref: Catz,P & Friend,DR (1989) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 169.06 (Adapted Stein & Brown method) Melting Pt (deg C): -19.23 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.929 (Mean VP of Antoine & Grain methods) MP (exp database): -45 deg C BP (exp database): 180.8 deg C VP (exp database): 7.80E-01 mm Hg at 25 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 5.617e+004 log Kow used: 0.25 (expkow database) no-melting pt equation used Water Sol (Exper. database match) = 1.1e+005 mg/L (17 deg C) Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992) Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1.9032e+005 mg/L Wat Sol (Exper. database match) = 110000.00 Exper. Ref: YALKOWSKY,SH & DANNENFELSER,RM (1992) ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Esters Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.57E-007 atm-m3/mole Group Method: Incomplete Exper Database: 1.20E-06 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 2.832E-006 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.25 (exp database) Log Kaw used: -4.309 (exp database) Log Koa (KOAWIN v1.10 estimate): 4.559 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.8666 Biowin2 (Non-Linear Model) : 0.9917 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0293 (weeks ) Biowin4 (Primary Survey Model) : 3.8667 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.8861 Biowin6 (MITI Non-Linear Model): 0.9501 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.5089 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): 104 Pa (0.78 mm Hg) Log Koa (Koawin est ): 4.559 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 2.88E-008 Octanol/air (Koa) model: 8.89E-009 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.04E-006 Mackay model : 2.31E-006 Octanol/air (Koa) model: 7.11E-007 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 1.9808 E-12 cm3/molecule-sec Half-Life = 5.400 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 64.797 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 1.67E-006 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1.91 Log Koc: 0.281 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Total Kb for pH > 8 at 25 deg C : 5.388E-001 L/mol-sec Kb Half-Life at pH 8: 14.890 days Kb Half-Life at pH 7: 148.896 days Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.500 (BCF = 3.162) log Kow used: 0.25 (expkow database) Volatilization from Water: Henry LC: 1.2E-006 atm-m3/mole (Henry experimental database) Half-Life from Model River: 557.8 hours (23.24 days) Half-Life from Model Lake : 6180 hours (257.5 days) Removal In Wastewater Treatment: Total removal: 1.92 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.76 percent Total to Air: 0.07 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 5.26 130 1000 Water 44.1 360 1000 Soil 50.5 720 1000 Sediment 0.0821 3.24e+003 0 Persistence Time: 387 hr
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