Try beta.chemspider
2-Methyl-1,3-cyclopentadiene
CC1=CCC=C1
InChI=1S/C6H8/c1-6-4-2-3-5-6/h2,4-5H,3H2,1H3
AHQZRFBZJSCKAV-UHFFFAOYSA-N
CSID:121669, http://www.chemspider.com/Chemical-Structure.121669.html (accessed 08:32, Apr 24, 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) = 2.80 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 91.79 (Adapted Stein & Brown method) Melting Pt (deg C): -73.33 (Mean or Weighted MP) VP(mm Hg,25 deg C): 60.3 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 153.7 log Kow used: 2.80 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1102.8 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 9.96E-002 atm-m3/mole Group Method: 6.89E-003 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 4.136E-002 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 2.80 (KowWin est) Log Kaw used: 0.610 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 2.190 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7094 Biowin2 (Non-Linear Model) : 0.8666 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.0221 (weeks ) Biowin4 (Primary Survey Model) : 3.7321 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.5125 Biowin6 (MITI Non-Linear Model): 0.6350 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.4159 Ready Biodegradability Prediction: YES Hydrocarbon Biodegradation (BioHCwin v1.01): LOG BioHC Half-Life (days) : 0.4617 BioHC Half-Life (days) : 2.8956 Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 7.71E+003 Pa (57.8 mm Hg) Log Koa (Koawin est ): 2.190 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 3.89E-010 Octanol/air (Koa) model: 3.8E-011 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.41E-008 Mackay model : 3.11E-008 Octanol/air (Koa) model: 3.04E-009 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 190.7338 E-12 cm3/molecule-sec Half-Life = 0.056 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 0.673 Hrs Ozone Reaction: OVERALL Ozone Rate Constant = 100.000000 E-17 cm3/molecule-sec Half-Life = 0.011 Days (at 7E11 mol/cm3) Half-Life = 16.502 Min Reaction With Nitrate Radicals May Be Important! Fraction sorbed to airborne particulates (phi): 2.26E-008 (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 = 1.457 (BCF = 28.67) log Kow used: 2.80 (estimated) Volatilization from Water: Henry LC: 0.00689 atm-m3/mole (estimated by Group SAR Method) Half-Life from Model River: 0.9895 hours (59.37 min) Half-Life from Model Lake : 85.85 hours (3.577 days) Removal In Wastewater Treatment: Total removal: 73.52 percent Total biodegradation: 0.05 percent Total sludge adsorption: 2.38 percent Total to Air: 71.09 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.196 0.228 1000 Water 49.5 360 1000 Soil 49.7 720 1000 Sediment 0.575 3.24e+003 0 Persistence Time: 127 hr
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