2-Methoxy-9H-xanthen-9-one
COc1ccc2c(c1)c(=O)c3ccccc3o2
InChI=1S/C14H10O3/c1-16-9-6-7-13-11(8-9)14(15)10-4-2-3-5-12(10)17-13/h2-8H,1H3
DVZCOQQFPCMIPO-UHFFFAOYSA-N
CSID:64193, http://www.chemspider.com/Chemical-Structure.64193.html (accessed 01:08, Dec 10, 2023)
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) = 3.92 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 357.64 (Adapted Stein & Brown method) Melting Pt (deg C): 123.25 (Mean or Weighted MP) VP(mm Hg,25 deg C): 9.15E-006 (Modified Grain method) Subcooled liquid VP: 8.69E-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): 1.103 log Kow used: 3.92 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 0.71234 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.14E-008 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 2.469E-006 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 3.92 (KowWin est) Log Kaw used: -6.332 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 10.252 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.9105 Biowin2 (Non-Linear Model) : 0.9790 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.5605 (weeks-months) Biowin4 (Primary Survey Model) : 3.6534 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.6052 Biowin6 (MITI Non-Linear Model): 0.5827 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.0526 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): 0.0116 Pa (8.69E-005 mm Hg) Log Koa (Koawin est ): 10.252 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 0.000259 Octanol/air (Koa) model: 0.00439 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.00927 Mackay model : 0.0203 Octanol/air (Koa) model: 0.26 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 14.3790 E-12 cm3/molecule-sec Half-Life = 0.744 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 8.926 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.0148 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1386 Log Koc: 3.142 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 = 1.481 (BCF = 30.3) log Kow used: 3.92 (estimated) Volatilization from Water: Henry LC: 1.14E-008 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 7.725E+004 hours (3219 days) Half-Life from Model Lake : 8.428E+005 hours (3.512E+004 days) Removal In Wastewater Treatment: Total removal: 26.55 percent Total biodegradation: 0.29 percent Total sludge adsorption: 26.26 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 0.0725 17.9 1000 Water 11.8 900 1000 Soil 85.9 1.8e+003 1000 Sediment 2.3 8.1e+003 0 Persistence Time: 1.73e+003 hr
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