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1,1,2,2-Tetramethyl-1,2-diphenyldisilane
C[Si](C)(c1ccccc1)[Si](C)(C)c2ccccc2
InChI=1S/C16H22Si2/c1-17(2,15-11-7-5-8-12-15)18(3,4)16-13-9-6-10-14-16/h5-14H,1-4H3
IIOOIYHUTINYQO-UHFFFAOYSA-N
CSID:120662, http://www.chemspider.com/Chemical-Structure.120662.html (accessed 22:21, May 6, 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) = 7.31 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 308.95 (Adapted Stein & Brown method) Melting Pt (deg C): 57.14 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.00061 (Modified Grain method) Subcooled liquid VP: 0.00121 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): 0.01045 log Kow used: 7.31 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 0.90739 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]: 2.078E-002 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) : 0.8749 Biowin2 (Non-Linear Model) : 0.9408 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.6454 (weeks-months) Biowin4 (Primary Survey Model) : 3.4672 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : -0.0088 Biowin6 (MITI Non-Linear Model): 0.0179 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.0001 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): 0.161 Pa (0.00121 mm Hg) Log Koa (): not available Kp (particle/gas partition coef. (m3/ug)): Mackay model : 1.86E-005 Octanol/air (Koa) model: not available Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 0.000671 Mackay model : 0.00149 Octanol/air (Koa) model: not available Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 4.4981 E-12 cm3/molecule-sec Half-Life = 2.378 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 28.535 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 0.00108 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1.324E+005 Log Koc: 5.122 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 = 4.391 (BCF = 2.458e+004) log Kow used: 7.31 (estimated) Volatilization from Water: Henry LC: 0.0208 atm-m3/mole (calculated from VP/WS) Half-Life from Model River: 1.725 hours Half-Life from Model Lake : 156.7 hours (6.53 days) Removal In Wastewater Treatment: Total removal: 94.05 percent Total biodegradation: 0.77 percent Total sludge adsorption: 92.54 percent Total to Air: 0.75 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.517 57.1 1000 Water 2 900 1000 Soil 28.9 1.8e+003 1000 Sediment 68.6 8.1e+003 0 Persistence Time: 3e+003 hr
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