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1,1,1,3-Tetraisopropyldisiloxane
CC(C)[Si](O[SiH2]C(C)C)(C(C)C)C(C)C
InChI=1S/C12H30OSi2/c1-9(2)14-13-15(10(3)4,11(5)6)12(7)8/h9-12H,14H2,1-8H3
XXBIPZFATZVYTR-UHFFFAOYSA-N
CSID:10633742, http://www.chemspider.com/Chemical-Structure.10633742.html (accessed 19:01, Jul 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) = 7.30 Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 183.93 (Adapted Stein & Brown method) Melting Pt (deg C): -29.69 (Mean or Weighted MP) VP(mm Hg,25 deg C): 0.798 (Mean VP of Antoine & Grain methods) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 0.002394 log Kow used: 7.30 (estimated) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 0.0036046 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 1.55E+000 atm-m3/mole Group Method: Incomplete Henrys LC [VP/WSol estimate using EPI values]: 1.081E+002 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 7.30 (KowWin est) Log Kaw used: 1.802 (HenryWin est) Log Koa (KOAWIN v1.10 estimate): 5.498 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6302 Biowin2 (Non-Linear Model) : 0.3794 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.6543 (weeks-months) Biowin4 (Primary Survey Model) : 3.4920 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : -0.2207 Biowin6 (MITI Non-Linear Model): 0.0079 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): -0.4639 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): 96.7 Pa (0.725 mm Hg) Log Koa (Koawin est ): 5.498 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 3.1E-008 Octanol/air (Koa) model: 7.73E-008 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.12E-006 Mackay model : 2.48E-006 Octanol/air (Koa) model: 6.18E-006 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 9.8742 E-12 cm3/molecule-sec Half-Life = 1.083 Days (12-hr day; 1.5E6 OH/cm3) Half-Life = 12.999 Hrs Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 1.8E-006 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 1.625E+004 Log Koc: 4.211 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 = 4.396 (BCF = 2.49e+004) log Kow used: 7.30 (estimated) Volatilization from Water: Henry LC: 1.55 atm-m3/mole (estimated by Bond SAR Method) Half-Life from Model River: 1.603 hours Half-Life from Model Lake : 149.1 hours (6.214 days) Removal In Wastewater Treatment (recommended maximum 95%): Total removal: 97.52 percent Total biodegradation: 0.42 percent Total sludge adsorption: 73.49 percent Total to Air: 23.60 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 0.345 26 1000 Water 2.05 900 1000 Soil 27.3 1.8e+003 1000 Sediment 70.3 8.1e+003 0 Persistence Time: 2.92e+003 hr
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