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2,3-Dimethoxybenzaldehyde
COc1cccc(c1OC)C=O
InChI=1S/C9H10O3/c1-11-8-5-3-4-7(6-10)9(8)12-2/h3-6H,1-2H3
JIVGSHFYXPRRSZ-UHFFFAOYSA-N
CSID:59950, http://www.chemspider.com/Chemical-Structure.59950.html (accessed 08:27, Nov 28, 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) = 1.36 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 258.28 (Adapted Stein & Brown method) Melting Pt (deg C): 46.55 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.011 (Modified Grain method) Subcooled liquid VP: 0.0174 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): 4461 log Kow used: 1.36 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1778.2 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Aldehydes Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 4.70E-008 atm-m3/mole Group Method: 1.86E-005 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 5.392E-007 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 1.36 (KowWin est) Log Kaw used: -5.716 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 7.076 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 1.2169 Biowin2 (Non-Linear Model) : 1.0000 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.7380 (weeks-months) Biowin4 (Primary Survey Model) : 3.9589 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 1.0451 Biowin6 (MITI Non-Linear Model): 0.9712 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.8692 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): 2.32 Pa (0.0174 mm Hg) Log Koa (Koawin est ): 7.076 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 1.29E-006 Octanol/air (Koa) model: 2.92E-006 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 4.67E-005 Mackay model : 0.000103 Octanol/air (Koa) model: 0.000234 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 27.9722 E-12 cm3/molecule-sec Half-Life = 0.382 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 4.589 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 7.51E-005 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 17.25 Log Koc: 1.237 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 = 0.344 (BCF = 2.205) log Kow used: 1.36 (estimated) Volatilization from Water: Henry LC: 1.86E-005 atm-m3/mole (estimated by Group SAR Method) Half-Life from Model River: 41.89 hours (1.746 days) Half-Life from Model Lake : 565.1 hours (23.55 days) Removal In Wastewater Treatment: Total removal: 2.94 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.83 percent Total to Air: 1.02 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.938 9.18 1000 Water 44.3 900 1000 Soil 54.6 1.8e+003 1000 Sediment 0.105 8.1e+003 0 Persistence Time: 557 hr
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