trisiloxane

trisiloxane, 1,1,1,3,3,5,5,5-octamethyl-

CAS: 107-51-7 C8 H24 O2 Si3 MW: 236.53358000

Identification

Nametrisiloxane
IUPACdimethyl-bis(trimethylsilyloxy)silane
CAS Number107-51-7
EINECS203-497-4
FDA UNII9G1ZW13R0G
Molecular FormulaC8 H24 O2 Si3
Molecular Weight236.53358000
MDL NumberMFCD00008264
Nikkaji NumberJ99.786B
Beilstein1753063

Regulatory

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.82000 @ 25.00 °C.
Refractive Index 1.38400 @ 20.00 °C.
Boiling Point 153.00 °C. @ 760.00 mm Hg
Vapor Pressure 3.340000 mmHg @ 25.00 °C.
Flash Point 85.00 °F. TCC ( 29.44 °C. )
logP (o/w) 4.800
Soluble in water, 0.034 mg/L @ 25 °C (exp)

Cosmetic Information

CosIngcosmetic data
Cosmetic Usesantifoaming agents

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categoryantifoaming (or defoaming) agents
Recommendation for trisiloxane usage levels up tonot for fragrance use.
Recommendation for trisiloxane flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

dimethyl-bis(trimethylsilyloxy)silane octamethyl trisiloxane octamethyltrisiloxane trisiloxane, 1,1,1,3,3,5,5,5-octamethyl- trisiloxane, octamethyl- PubMed: Evaluation of a Full-Scale Water-Based Scrubber for Removing Siloxanes from Digester Gas: A Case Study. PubMed: Wetting films of aqueous solutions of Silwet L-77 on a hydrophobic surface. PubMed: Mixtures of catanionic surfactants can be superspreaders: Comparison with trisiloxane superspreader. PubMed: Surfactant-enhanced spreading: Experimental achievements and possible mechanisms. PubMed: Smoothing of contact lines in spreading droplets by trisiloxane surfactants and its relevance for superspreading. PubMed: Characterization of trisiloxane surfactants from agrochemical adjuvants and pollinator-related matrices using liquid chromatography coupled to mass spectrometry. PubMed: Occurrence of cyclic and linear siloxanes in indoor air from Albany, New York, USA, and its implications for inhalation exposure. PubMed: Enhanced foamability of sodium dodecyl sulfate surfactant mixed with superspreader trisiloxane-(poly)ethoxylate. PubMed: The contribution of spray formulation component variables to foliar uptake of agrichemicals. PubMed: Atomistic potentials for trisiloxane, alkyl ethoxylate, and perfluoroalkane-based surfactants with TIP4P/2005 and application to simulations at the air-water interface. PubMed: The dynamic bulk modulus of three glass-forming liquids. PubMed: Determination of soil-water sorption coefficients of volatile methylsiloxanes. PubMed: Fluoro- vs hydrocarbon surfactants: why do they differ in wetting performance? PubMed: Origin of weak layer contraction in de Vries smectic liquid crystals. PubMed: Current opinion in superspreading mechanisms. PubMed: Electron transport characteristics in nanosegregated columnar phases of perylene tetracarboxylic bisimide derivatives bearing oligosiloxane chains. PubMed: Relevance of an organic solvent for absorption of siloxanes. PubMed: Homologue specific analysis of a polyether trisiloxane surfactant in German surface waters and study on its hydrolysis. PubMed: Safe human exposure limits for airborne linear siloxanes during spaceflight. PubMed: Dynamic wetting of hydrophobic polymers by aqueous surfactant and superspreader solutions. PubMed: Communication: Two measures of isochronal superposition. PubMed: Quantitative determination of trisiloxane surfactants in beehive environments based on liquid chromatography coupled to mass spectrometry. PubMed: Evaporation of droplets of surfactant solutions. PubMed: Mechanical spectra of glass-forming liquids. II. Gigahertz-frequency longitudinal and shear acoustic dynamics in glycerol and DC704 studied by time-domain Brillouin scattering. PubMed: Mechanical spectra of glass-forming liquids. I. Low-frequency bulk and shear moduli of DC704 and 5-PPE measured by piezoceramic transducers. PubMed: VOC contamination in hospital, from stationary sampling of a large panel of compounds, in view of healthcare workers and patients exposure assessment. PubMed: Occurrence and fate of volatile siloxanes in a municipal wastewater treatment plant of Beijing, China. PubMed: Dynamic thermal expansivity of liquids near the glass transition. PubMed: Development of a liquid chromatography tandem mass spectrometry method for trace analysis of trisiloxane surfactants in the aqueous environment: an alternative strategy for quantification of ethoxylated surfactants. PubMed: Determination of siloxanes in silicone products and potential migration to milk, formula and liquid simulants. PubMed: Communication: Identical temperature dependence of the time scales of several linear-response functions of two glass-forming liquids. PubMed: Toxicity ranking and toxic mode of action evaluation of commonly used agricultural adjuvants on the basis of bacterial gene expression profiles. PubMed: Capillary rise of superspreaders. PubMed: Vitamin D levels of XP-patients under stringent sun-protection. PubMed: Design of liquid crystals with "de Vries-like" properties: frustration between SmA- and SmC-promoting elements. PubMed: Structural signal of a dynamic glass transition. PubMed: Surfactant-enhanced rapid spreading of drops on solid surfaces. PubMed: The spreading behaviour and spreading mechanism of new glucosamide-based trisiloxane on polystyrene surfaces. PubMed: Spreading of aqueous solutions of trisiloxanes and conventional surfactants over PTFE AF coated silicone wafers. PubMed: A direct test of the correlation between elastic parameters and fragility of ten glass formers and their relationship to elastic models of the glass transition. PubMed: On the effect of pH on spreading of surfactant solutions on hydrophobic surfaces. PubMed: Microstructures in aqueous solutions of a polyoxyethylene trisiloxane surfactant and a cosurfactant studied by SANS and NMR self-diffusion. PubMed: A comparison of spreading behaviors of Silwet L-77 on dry and wet lotus leaves. PubMed: Vibrational spectroscopic analysis of chlorosilanes and siloxane oligomers: implications for the spectra of polydimethylsiloxanes. PubMed: Photoinduced "stick-slip" on superhydrophilic semiconductor surfaces. PubMed: Molecular dynamics study of the influence of surfactant structure on surfactant-facilitated spreading of droplets on solid surfaces. PubMed: Flat orientation of hydrophobic cores induced by two-dimensional confinement of flexible bolaamphiphiles at the air-water interface. PubMed: Molecular interaction in binary surfactant mixtures containing alkyl polyglycoside. PubMed: Allergic contact dermatitis to drometrizole trisiloxane in a sunscreen with concomitant sensitivities to other sun screens. PubMed: Nanoscale aggregate structures of trisiloxane surfactants at the solid-liquid interface. PubMed: Mechanisms of cuticular uptake of xenobiotics into living plants: 1. Influence of xenobiotic dose on the uptake of three model compounds applied in the absence and presence of surfactants into Chenopodium album, Hedera helix and Stephanotis floribunda leaves. PubMed: Determination of sixteen UV filters in suncare formulations by high-performance liquid chromatography. PubMed: Contact angle measurements with liquids consisting of bulky molecules. PubMed: Apatite formation on silica gel in simulated body fluid: effects of structural modification with solvent-exchange. PubMed: Measurement of the kinetic rate constants for the adsorption of superspreading trisiloxanes to an air/aqueous interface and the relevance of these measurements to the mechanism of superspreading. PubMed: The measurement of conformational stability of proteins adsorbed on siloxanes. PubMed: Silicon-based metalloprotease inhibitors: synthesis and evaluation of silanol and silanediol peptide analogues as inhibitors of angiotensin-converting enzyme. PubMed: Superspreading driven by Marangoni flow. PubMed: "Inert" formulation ingredients with activity: toxicity of trisiloxane surfactant solutions to twospotted spider mites (Acari: Tetranychidae). PubMed: New biomaterials through surface segregation phenomenon: new quaternary ammonium compounds as antibacterial agents.