[1,2,4]Oxadiazolo[4,3-a]quinoxalin-1-one
c1ccc2c(c1)ncc3n2c(=O)on3
InChI=1S/C9H5N3O2/c13-9-12-7-4-2-1-3-6(7)10-5-8(12)11-14-9/h1-5H
LZMHWZHOZLVYDL-UHFFFAOYSA-N
CSID:1412, http://www.chemspider.com/Chemical-Structure.1412.html (accessed 12:03, Jun 2, 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) = 2.05 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 355.63 (Adapted Stein & Brown method) Melting Pt (deg C): 130.48 (Mean or Weighted MP) VP(mm Hg,25 deg C): 8.52E-006 (Modified Grain method) Subcooled liquid VP: 9.7E-005 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): 895.2 log Kow used: 2.05 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 116.85 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 2.44E-008 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 2.344E-009 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 2.05 (KowWin est) Log Kaw used: -6.001 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 8.051 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6584 Biowin2 (Non-Linear Model) : 0.5869 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.7856 (weeks ) Biowin4 (Primary Survey Model) : 3.5777 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.2007 Biowin6 (MITI Non-Linear Model): 0.0740 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.4938 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): 0.0129 Pa (9.7E-005 mm Hg) Log Koa (Koawin est ): 8.051 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.000232 Octanol/air (Koa) model: 2.76E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.00831 Mackay model : 0.0182 Octanol/air (Koa) model: 0.0022 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 16.0069 E-12 cm3/molecule-sec Half-Life = 0.668 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 8.019 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.0133 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 28.18 Log Koc: 1.450 Aqueous Base/Acid-Catalyzed Hydrolysis (25 deg C) [HYDROWIN v1.67]: Rate constants can NOT be estimated for this structure! Bioaccumulation Estimates from Log Kow (BCFWIN v2.17): Log BCF from regression-based method = 0.881 (BCF = 7.608) log Kow used: 2.05 (estimated) Volatilization from Water: Henry LC: 2.44E-008 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 3.283E+004 hours (1368 days) Half-Life from Model Lake : 3.582E+005 hours (1.493E+004 days) Removal In Wastewater Treatment: Total removal: 2.30 percent Total biodegradation: 0.10 percent Total sludge adsorption: 2.20 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 0.352 16 1000 Water 24.3 360 1000 Soil 75.2 720 1000 Sediment 0.0908 3.24e+003 0 Persistence Time: 616 hr
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