5-Methyl-1,3-thiazole
Cc1cncs1
InChI=1S/C4H5NS/c1-4-2-5-3-6-4/h2-3H,1H3
RLYUNPNLXMSXAX-UHFFFAOYSA-N
CSID:121625, http://www.chemspider.com/Chemical-Structure.121625.html (accessed 04:14, Apr 20, 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) = 1.54 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 147.45 (Adapted Stein & Brown method) Melting Pt (deg C): 6.14 (Mean or Weighted MP) VP(mm Hg,25 deg C): 4.51 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 5689 log Kow used: 1.54 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 9220.8 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 4.23E-006 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.034E-004 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 1.54 (KowWin est) Log Kaw used: -3.762 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 5.302 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7550 Biowin2 (Non-Linear Model) : 0.8982 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.9052 (weeks ) Biowin4 (Primary Survey Model) : 3.6362 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.4751 Biowin6 (MITI Non-Linear Model): 0.5525 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.2735 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): 551 Pa (4.13 mm Hg) Log Koa (Koawin est ): 5.302 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 5.45E-009 Octanol/air (Koa) model: 4.92E-008 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.97E-007 Mackay model : 4.36E-007 Octanol/air (Koa) model: 3.94E-006 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 3.7908 E-12 cm3/molecule-sec Half-Life = 2.822 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 33.858 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 3.16E-007 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 145.3 Log Koc: 2.162 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 = 0.486 (BCF = 3.062) log Kow used: 1.54 (estimated) Volatilization from Water: Henry LC: 4.23E-006 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 138.8 hours (5.785 days) Half-Life from Model Lake : 1598 hours (66.59 days) Removal In Wastewater Treatment: Total removal: 2.22 percent Total biodegradation: 0.09 percent Total sludge adsorption: 1.89 percent Total to Air: 0.24 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 4.26 67.7 1000 Water 36.6 360 1000 Soil 59 720 1000 Sediment 0.089 3.24e+003 0 Persistence Time: 400 hr
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