1,2,3,4-Tetramethoxy-5-methylbenzene
CC1=CC(=C(C(=C1OC)OC)OC)OC
InChI=1S/C11H16O4/c1-7-6-8(12-2)10(14-4)11(15-5)9(7)13-3/h6H,1-5H3
OIWAVVSMXFIBCD-UHFFFAOYSA-N
CSID:8053441, http://www.chemspider.com/Chemical-Structure.8053441.html (accessed 13:09, Dec 11, 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) = 2.13 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 283.51 (Adapted Stein & Brown method) Melting Pt (deg C): 69.92 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.00176 (Modified Grain method) Subcooled liquid VP: 0.00466 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): 571.2 log Kow used: 2.13 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 53.205 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 7.28E-008 atm-m3/mole Group Method: 2.50E-003 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 8.605E-007 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 2.13 (KowWin est) Log Kaw used: -5.526 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 7.656 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 1.2288 Biowin2 (Non-Linear Model) : 0.9999 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.4228 (weeks-months) Biowin4 (Primary Survey Model) : 3.7815 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.9129 Biowin6 (MITI Non-Linear Model): 0.8997 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.7627 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): 0.621 Pa (0.00466 mm Hg) Log Koa (Koawin est ): 7.656 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 4.83E-006 Octanol/air (Koa) model: 1.11E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.000174 Mackay model : 0.000386 Octanol/air (Koa) model: 0.000889 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 203.4544 E-12 cm3/molecule-sec Half-Life = 0.053 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 0.631 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.00028 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1444 Log Koc: 3.160 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 = 0.942 (BCF = 8.746) log Kow used: 2.13 (estimated) Volatilization from Water: Henry LC: 0.0025 atm-m3/mole (estimated by Group SAR Method) Half-Life from Model River: 1.828 hours Half-Life from Model Lake : 142.1 hours (5.921 days) Removal In Wastewater Treatment: Total removal: 50.89 percent Total biodegradation: 0.06 percent Total sludge adsorption: 1.43 percent Total to Air: 49.40 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 1.1 1.26 1000 Water 62.2 900 1000 Soil 36.4 1.8e+003 1000 Sediment 0.283 8.1e+003 0 Persistence Time: 135 hr
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