EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes

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

Supplier Sponsors

CAS Number: 107-51-7Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:203-497-4
Nikkaji Web:J99.786B
Beilstein Number:1753063
Molecular Weight:236.53358000
Formula:C8 H24 O2 Si3
NMR Predictor:Predict (works with chrome or firefox)
Category:antifoaming (or defoaming) agents
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
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)
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
Cosmetic Information:
CosIng:cosmetic data
Cosmetic Uses: antifoaming agents
skin conditioning
BOC Sciences
For experimental / research use only.
Octamethyltrisiloxane 95%
Santa Cruz Biotechnology
For experimental / research use only.
Sigma-Aldrich: Aldrich
For experimental / research use only.
Octamethyltrisiloxane 98%
For experimental / research use only.
Octamethyltrisiloxane >98.0%(GC)
Safety Information:
Preferred SDS: View
Hazards identification
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
Safety in Use Information:
antifoaming (or defoaming) agents
Recommendation for trisiloxane usage levels up to:
 not for fragrance use.
Recommendation for trisiloxane flavor usage levels up to:
 not for flavor use.
Safety References:
EPI System: View
Chemical Carcinogenesis Research Information System:Search
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :24705
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:107-51-7
Pubchem (cid):24705
Pubchem (sid):135024877
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
KEGG (GenomeNet):C07261
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2931.90.9010
Potential Blenders and core components note
None Found
Potential Uses:
None Found
Occurrence (nature, food, other):note
 not found in nature
 octamethyl trisiloxane
 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.
None found
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