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1-Methyl-1H-indole-2,3-dione
CN1c2ccccc2C(=O)C1=O
InChI=1S/C9H7NO2/c1-10-7-5-3-2-4-6(7)8(11)9(10)12/h2-5H,1H3
VCYBVWFTGAZHGH-UHFFFAOYSA-N
CSID:15517, http://www.chemspider.com/Chemical-Structure.15517.html (accessed 05:09, Feb 26, 2025)
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) = 0.28 Log Kow (Exper. database match) = 0.58 Exper. Ref: Hansch,C et al. (1995) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 330.19 (Adapted Stein & Brown method) Melting Pt (deg C): 111.04 (Mean or Weighted MP) VP(mm Hg,25 deg C): 3.44E-005 (Modified Grain method) MP (exp database): 130-133 deg C Subcooled liquid VP: 0.000387 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): 2.161e+004 log Kow used: 0.58 (expkow database) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 32268 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 4.52E-010 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 3.376E-010 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 0.58 (exp database) Log Kaw used: -7.733 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 8.313 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.8810 Biowin2 (Non-Linear Model) : 0.9681 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.7888 (weeks ) Biowin4 (Primary Survey Model) : 3.8207 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.3926 Biowin6 (MITI Non-Linear Model): 0.3228 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.1931 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): 0.0516 Pa (0.000387 mm Hg) Log Koa (Koawin est ): 8.313 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 5.81E-005 Octanol/air (Koa) model: 5.05E-005 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.0021 Mackay model : 0.00463 Octanol/air (Koa) model: 0.00402 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 11.8764 E-12 cm3/molecule-sec Half-Life = 0.901 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 10.807 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.00336 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 10 Log Koc: 1.000 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 = 0.500 (BCF = 3.162) log Kow used: 0.58 (expkow database) Volatilization from Water: Henry LC: 4.52E-010 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 1.644E+006 hours (6.852E+004 days) Half-Life from Model Lake : 1.794E+007 hours (7.475E+005 days) Removal In Wastewater Treatment: Total removal: 1.86 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.77 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 0.0104 21.6 1000 Water 37.1 360 1000 Soil 62.8 720 1000 Sediment 0.0704 3.24e+003 0 Persistence Time: 590 hr
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