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Methylidynesilane
C#[SiH]
InChI=1S/CH2Si/c1-2/h1-2H
CZEKVRCBQIUXJU-UHFFFAOYSA-N
CSID:4321526, http://www.chemspider.com/Chemical-Structure.4321526.html (accessed 09:00, Apr 25, 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) = 1.08 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): -31.36 (Adapted Stein & Brown method) Melting Pt (deg C): -150.29 (Mean or Weighted MP) VP(mm Hg,25 deg C): 5.07E+003 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 1.564e+004 log Kow used: 1.08 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 147.01 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : Incomplete Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 2.692E-003 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Can Not Estimate (can not calculate HenryLC) Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.7275 Biowin2 (Non-Linear Model) : 0.9176 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 3.1061 (weeks ) Biowin4 (Primary Survey Model) : 3.7870 (days ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.5873 Biowin6 (MITI Non-Linear Model): 0.7907 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.7565 Ready Biodegradability Prediction: YES Hydrocarbon Biodegradation (BioHCwin v1.01): Structure incompatible with current estimation method! Sorption to aerosols (25 Dec C)[AEROWIN v1.00]: Vapor pressure (liquid/subcooled): 6.07E+005 Pa (4.55E+003 mm Hg) Log Koa (): not available Kp (particle/gas partition coef. (m3/ug)): Mackay model : 4.95E-012 Octanol/air (Koa) model: not available Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.79E-010 Mackay model : 3.96E-010 Octanol/air (Koa) model: not available Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 0.1360 E-12 cm3/molecule-sec Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 2.87E-010 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 14.3 Log Koc: 1.155 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 = 0.129 (BCF = 1.346) log Kow used: 1.08 (estimated) Volatilization from Water: Henry LC: 0.00269 atm-m3/mole (calculated from VP/WS) Half-Life from Model River: 0.8033 hours (48.20 min) Half-Life from Model Lake : 63.18 hours (2.632 days) Removal In Wastewater Treatment: Total removal: 87.52 percent Total biodegradation: 0.03 percent Total sludge adsorption: 0.47 percent Total to Air: 87.02 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 54.8 1.89e+003 1000 Water 43.3 360 1000 Soil 1.78 720 1000 Sediment 0.0882 3.24e+003 0 Persistence Time: 143 hr
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