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1,1,1,2-Tetramethyl-2,2-divinyldisilane
C[Si](C)(C)[Si](C)(C=C)C=C
InChI=1S/C8H18Si2/c1-7-10(6,8-2)9(3,4)5/h7-8H,1-2H2,3-6H3
SSKBZCXSHBXUFK-UHFFFAOYSA-N
CSID:11269510, http://www.chemspider.com/Chemical-Structure.11269510.html (accessed 18:40, 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) = 4.82 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 107.18 (Adapted Stein & Brown method) Melting Pt (deg C): -75.03 (Mean or Weighted MP) VP(mm Hg,25 deg C): 27.5 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 4.657 log Kow used: 4.82 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 0.0054784 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]: 1.324E+000 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) : 0.6664 Biowin2 (Non-Linear Model) : 0.6431 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.8226 (weeks ) Biowin4 (Primary Survey Model) : 3.6019 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.2440 Biowin6 (MITI Non-Linear Model): 0.1048 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.0767 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): 3.45E+003 Pa (25.9 mm Hg) Log Koa (): not available Kp (particle/gas partition coef. (m3/ug)): Mackay model : 8.69E-010 Octanol/air (Koa) model: not available Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 3.14E-008 Mackay model : 6.95E-008 Octanol/air (Koa) model: not available Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 53.1984 E-12 cm3/molecule-sec Half-Life = 0.201 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 2.413 Hrs Ozone Reaction: OVERALL Ozone Rate Constant = 0.350000 E-17 cm3/molecule-sec Half-Life = 3.274 Days (at 7E11 mol/cm3) Half-Life = 78.583 Hrs Fraction sorbed to airborne particulates (phi): 5.04E-008 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 886.8 Log Koc: 2.948 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 = 3.014 (BCF = 1032) log Kow used: 4.82 (estimated) Volatilization from Water: Henry LC: 1.32 atm-m3/mole (calculated from VP/WS) Half-Life from Model River: 1.333 hours Half-Life from Model Lake : 124 hours (5.166 days) Removal In Wastewater Treatment (recommended maximum 95%): Total removal: 99.86 percent Total biodegradation: 0.13 percent Total sludge adsorption: 43.51 percent Total to Air: 56.22 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 3.21 4.55 1000 Water 40.7 360 1000 Soil 24.6 720 1000 Sediment 31.5 3.24e+003 0 Persistence Time: 149 hr
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