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5,7-Dihydroxy-6-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
COc1ccc(cc1)c2cc(=O)c3c(o2)cc(c(c3O)OC)O
InChI=1S/C17H14O6/c1-21-10-5-3-9(4-6-10)13-7-11(18)15-14(23-13)8-12(19)17(22-2)16(15)20/h3-8,19-20H,1-2H3
GPQLHGCIAUEJQK-UHFFFAOYSA-N
CSID:4478521, http://www.chemspider.com/Chemical-Structure.4478521.html (accessed 14:34, May 21, 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) = 3.23 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 476.83 (Adapted Stein & Brown method) Melting Pt (deg C): 201.78 (Mean or Weighted MP) VP(mm Hg,25 deg C): 2.22E-011 (Modified Grain method) MP (exp database): 221 deg C Subcooled liquid VP: 2.76E-009 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): 17.64 log Kow used: 3.23 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 169.75 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Phenols Vinyl/Allyl Ketones Vinyl/Allyl Ethers Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.72E-015 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 5.205E-013 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 3.23 (KowWin est) Log Kaw used: -13.153 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 16.383 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 1.2321 Biowin2 (Non-Linear Model) : 0.9987 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.4205 (weeks-months) Biowin4 (Primary Survey Model) : 3.6828 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.6571 Biowin6 (MITI Non-Linear Model): 0.4747 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.4299 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): 3.68E-007 Pa (2.76E-009 mm Hg) Log Koa (Koawin est ): 16.383 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 8.15 Octanol/air (Koa) model: 5.93E+003 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.997 Mackay model : 0.998 Octanol/air (Koa) model: 1 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 232.3542 E-12 cm3/molecule-sec Half-Life = 0.046 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 0.552 Hrs Ozone Reaction: OVERALL Ozone Rate Constant = 10.500000 E-17 cm3/molecule-sec Half-Life = 0.109 Days (at 7E11 mol/cm3) Half-Life = 2.619 Hrs Reaction With Nitrate Radicals May Be Important! Fraction sorbed to airborne particulates (phi): 0.998 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 9172 Log Koc: 3.962 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 = 0.947 (BCF = 8.861) log Kow used: 3.23 (estimated) Volatilization from Water: Henry LC: 1.72E-015 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 6.035E+011 hours (2.514E+010 days) Half-Life from Model Lake : 6.583E+012 hours (2.743E+011 days) Removal In Wastewater Treatment: Total removal: 8.20 percent Total biodegradation: 0.14 percent Total sludge adsorption: 8.05 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 9.38e-006 0.777 1000 Water 12.1 900 1000 Soil 87.4 1.8e+003 1000 Sediment 0.466 8.1e+003 0 Persistence Time: 1.81e+003 hr
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