5,7-Dihydroxy-3-(4-hydroxyphenyl)-6,8-dimethyl-4H-chromen-4-one
Cc1c(c(c2c(c1O)c(=O)c(co2)c3ccc(cc3)O)C)O
InChI=1S/C17H14O5/c1-8-14(19)9(2)17-13(15(8)20)16(21)12(7-22-17)10-3-5-11(18)6-4-10/h3-7,18-20H,1-2H3
VSEIMGCATUFLSE-UHFFFAOYSA-N
CSID:552710, http://www.chemspider.com/Chemical-Structure.552710.html (accessed 03:27, Jun 7, 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) = 3.94 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 487.56 (Adapted Stein & Brown method) Melting Pt (deg C): 206.79 (Mean or Weighted MP) VP(mm Hg,25 deg C): 1.59E-011 (Modified Grain method) Subcooled liquid VP: 1.34E-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): 20.66 log Kow used: 3.94 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 40.466 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 : 6.24E-017 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 3.021E-013 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 3.94 (KowWin est) Log Kaw used: -14.593 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 18.533 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 1.2010 Biowin2 (Non-Linear Model) : 0.9884 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.4788 (weeks-months) Biowin4 (Primary Survey Model) : 3.4543 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.4523 Biowin6 (MITI Non-Linear Model): 0.2074 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.3344 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): 1.79E-007 Pa (1.34E-009 mm Hg) Log Koa (Koawin est ): 18.533 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 16.8 Octanol/air (Koa) model: 8.38E+005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.998 Mackay model : 0.999 Octanol/air (Koa) model: 1 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 231.1070 E-12 cm3/molecule-sec Half-Life = 0.046 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 0.555 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): 0.999 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1.861E+004 Log Koc: 4.270 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 = 1.493 (BCF = 31.12) log Kow used: 3.94 (estimated) Volatilization from Water: Henry LC: 6.24E-017 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 1.621E+013 hours (6.752E+011 days) Half-Life from Model Lake : 1.768E+014 hours (7.366E+012 days) Removal In Wastewater Treatment: Total removal: 27.40 percent Total biodegradation: 0.30 percent Total sludge adsorption: 27.10 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 4.08e-007 0.78 1000 Water 11 900 1000 Soil 86.7 1.8e+003 1000 Sediment 2.26 8.1e+003 0 Persistence Time: 1.88e+003 hr
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