Hexamethyldisiloxane
O([Si](C)(C)C)[Si](C)(C)C CopyCopied
InChI=1S/C6H18OSi2/c1-8(2,3)7-9(4,5)6/h1-6H3 CopyCopied
UQEAIHBTYFGYIE-UHFFFAOYSA-N CopyCopied
Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Redirected by Users, Redirect Approved by Experts
Bis(trimethylsilyl) ether
Disiloxane, 1,1,1,3,3,3-hexamethyl-
Hexamethyldisiloxane [Wiki]
TMS ether
1,1,1,3,3,3-HEXAMETHYLDISILOXANE
107-46-0 [RN]
1736258
203-492-7 [EINECS]
63148-62-9 [RN]
9006-65-9 [RN]
Belsil DM 0.65
Belsil DM 1000
Bis(trimethylsilyl) oxide
Bis(trimethylsilyl)ether
Bis(trimethylsilyl)oxide
Bistrimethylsilyl ether
Bis-trimethylsilyl oxide
Dimethicone [Wiki] [NF]
Dimethicone [USAN:BAN] [USAN]
Dimethicone 350 [USAN]
dimethicones
Dimethyl polysiloxane, bis(trimethylsilyl)-terminated
Dimethyl polysiloxane, dimethyl-terminated
Dimeticona [Spanish] [INN]
Dimeticone
Dimeticonum [Latin]
disiloxane, hexamethyl-
DISILOXANE,HEXAMETHYL
Dow Corning 1664
Fluka AG
Hexamethyl disiloxane
Hexamethyldisiloxan
Hexamethyldisiloxane solution
HEXAMETHYLDISILOXANE, 99.9%
Hexamethyldisiloxane, NMR grade
hexametildissiloxano [Portuguese]
HMDSO
KF 96L
Mirasil DM 20
Oxybis (trimethylsilane)
Oxybis(trimethylsilane)
Poly(dimethylsiloxane)
Poly(oxy(dimethylsilylene)), α-(trimethylsilyl)-ω-methyl-
Sentry Dimethicone
Sentry dimethicone (TN)
Silane, oxybis(trimethyl)-
SWS-F 221
trimethyl(trimethylsilyloxy)silane
trimethylsilyl ether
Viscasil 5M
α-(Trimethylsilyl)-ω-methylpoly(oxy(dimethylsilylene))
205389_ALDRICH [DBID]
326739_ALDRICH [DBID]
469300_ALDRICH [DBID]
611921_ALDRICH [DBID]
AI3-51466 [DBID]
CCRIS 1325 [DBID]
CCRIS 3957 [DBID]
D01540 [DBID]
DC 1664 [DBID]
HSDB 1808 [DBID]
HSDB 5378 [DBID]
NSC 43346 [DBID]
NSC43346 [DBID]
OS 10 [DBID]
Data supplied by datasources and users.
Predicted data is generated using the ACD/Labs’ ACD/PhysChem Suite, for more information see their website.
Predicted data is generated using the US Environmental Protection Agency’s EPISuite™, for more information see their website.
Log Octanol-Water Partition Coef (SRC): Log Kow (KOWWIN v1.67 estimate) = 4.76 Log Kow (Exper. database match) = 4.20 Exper. Ref: Sangster (1994) Boiling Pt, Melting Pt, Vapor Pressure Estimations (MPBPWIN v1.42): Boiling Pt (deg C): 87.60 (Adapted Stein & Brown method) Melting Pt (deg C): -79.14 (Mean or Weighted MP) VP(mm Hg,25 deg C): 39.1 (Mean VP of Antoine & Grain methods) MP (exp database): -66 deg C BP (exp database): 99 deg C VP (exp database): 4.21E+01 mm Hg at 25 deg C Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 2.881 log Kow used: 4.20 (expkow database) no-melting pt equation used Water Sol Estimate from Fragments: Wat Sol (v1.01 est) = 1.3556 mg/L ECOSAR Class Program (ECOSAR v0.99h): Class(es) found: Neutral Organics Henrys Law Constant (25 deg C) [HENRYWIN v3.10]: Bond Method : 3.04E-001 atm-m3/mole Group Method: Incomplete Exper Database: 4.50E+00 atm-m3/mole Henrys LC [VP/WSol estimate using EPI values]: 2.900E+000 atm-m3/mole Log Octanol-Air Partition Coefficient (25 deg C) [KOAWIN v1.10]: Log Kow used: 4.20 (exp database) Log Kaw used: 2.265 (exp database) Log Koa (KOAWIN v1.10 estimate): 1.935 Log Koa (experimental database): None Probability of Rapid Biodegradation (BIOWIN v4.10): Biowin1 (Linear Model) : 0.6702 Biowin2 (Non-Linear Model) : 0.6688 Expert Survey Biodegradation Results: Biowin3 (Ultimate Survey Model): 2.8403 (weeks ) Biowin4 (Primary Survey Model) : 3.6135 (days-weeks ) MITI Biodegradation Probability: Biowin5 (MITI Linear Model) : 0.2315 Biowin6 (MITI Non-Linear Model): 0.1145 Anaerobic Biodegradation Probability: Biowin7 (Anaerobic Linear Model): 0.3587 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): 5.61E+003 Pa (42.1 mm Hg) Log Koa (Koawin est ): 1.935 Kp (particle/gas partition coef. (m3/ug)): Mackay model : 5.34E-010 Octanol/air (Koa) model: 2.11E-011 Fraction sorbed to airborne particulates (phi): Junge-Pankow model : 1.93E-008 Mackay model : 4.28E-008 Octanol/air (Koa) model: 1.69E-009 Atmospheric Oxidation (25 deg C) [AopWin v1.92]: Hydroxyl Radicals Reaction: OVERALL OH Rate Constant = 0.8976 E-12 cm3/molecule-sec Half-Life = 11.916 Days (12-hr day; 1.5E6 OH/cm3) Ozone Reaction: No Ozone Reaction Estimation Fraction sorbed to airborne particulates (phi): 3.1E-008 (Junge,Mackay) Note: the sorbed fraction may be resistant to atmospheric oxidation Soil Adsorption Coefficient (PCKOCWIN v1.66): Koc : 393.3 Log Koc: 2.595 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 = 2.534 (BCF = 342) log Kow used: 4.20 (expkow database) Volatilization from Water: Henry LC: 4.5 atm-m3/mole (Henry experimental database) Half-Life from Model River: 1.3 hours Half-Life from Model Lake : 121 hours (5.043 days) Removal In Wastewater Treatment (recommended maximum 95%): Total removal: 99.95 percent Total biodegradation: 0.08 percent Total sludge adsorption: 23.23 percent Total to Air: 76.64 percent (using 10000 hr Bio P,A,S) Level III Fugacity Model: Mass Amount Half-Life Emissions (percent) (hr) (kg/hr) Air 43.6 186 1000 Water 45 360 1000 Soil 2.56 720 1000 Sediment 8.87 3.24e+003 0 Persistence Time: 136 hr
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