17928-28-8

Basic information

• Product Name: Methyltris(trimethylsiloxy)silane
• Synonyms: 1,1,1,3,5,5,5-heptamethyl-3-(trimethylsiloxy)trisiloxane;METHYLTRIS(TRIMETHYLSILOXY)SILANE;1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-trisiloxan;1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane;1,1,1,3,5,5,5-heptamethyl-3-trimethylsilanyloxy-trisiloxane;Methyl tris-(trimethylsilyloxy)silane;Methyl tristrimethylsiloxy;Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-
• CAS NO: 17928-28-8
• Molecular Formula: C₁₀H₃₀O₃Si₄
• Molecular Weight: 310.69
• EINECS: 241-867-7
• Mol File: 17928-28-8.mol
• Article Data: 15

Chemical Properties

• Melting Point: -76°C
• Boiling Point: 60 °C
• Flash Point: 61°C
• Appearance: /liquid
• Density: 0.849
• Vapor Pressure: 0.000814mmHg at 25°C
• Refractive Index: 1.3880
• Water Solubility: <0.1 g/100 mL at 20℃
• CAS DataBase Reference: Methyltris(trimethylsiloxy)silane(CAS DataBase Reference)
• NIST Chemistry Reference: Methyltris(trimethylsiloxy)silane(17928-28-8)
• EPA Substance Registry System: Methyltris(trimethylsiloxy)silane(17928-28-8)

Safety Data

• Hazard Codes: Xi
• Statements: 36/37/38-10
• Safety Statements: 26-36/37/39-36-16
• RIDADR: 1993
• TSCA: Yes
• Hazardous Substances Data: 17928-28-8(Hazardous Substances Data)

Usage

Uses

Methyltris(trimethylsiloxy)silane was used in the study of thermal rearrangement of branched-chain methylpolysiloxanes.

General Description

Clear colorless liquid.

Air & Water Reactions

Insoluble in water.

Fire Hazard

Methyltris(trimethylsiloxy)silane is combustible.

Flammability and Explosibility

Flammable

InChI:InChI=1/C10H11NO2/c1-12-9-3-4-10(13-2)8(7-9)5-6-11/h3-4,7H,5H2,1-2H3

Upstream product

• 75-77-4 chloro-trimethyl-silane 
• 75-79-6 Methyltrichlorosilane 
• 64-17-5 ethanol 
• 1825-62-3 ethyl trimethylsilyl ether 
• 2031-67-6 Methyltriethoxysilan 
• 623-11-0 1-methyl-4-nitrosobenzene 
• 107-46-0 Hexamethyldisiloxane 
• 56998-71-1 1,1-difluorotetramethyldisiloxane 
• 89-63-4 4-Chloro-2-nitroaniline 
• 67-68-5 dimethyl sulfoxide 
• 75-54-7 Dichloromethylsilane 
• 110-54-3 hexane 
• 1185-55-3 Methyltrimethoxysilan 
• 7671-19-4 1,1,1,3,5,5,5-heptamethyl-3-methoxytrisiloxane 

Downstream Products

• 89-63-4 4-Chloro-2-nitroaniline 
• 75-77-4 chloro-trimethyl-silane 
• 22407-46-1 3-chloro-1,1,1,3,5,5,5-heptamethyltrisiloxane 
• 1066-40-6 Trimethylsilanol 
• 420-56-4 trimethylsilyl fluoride 
• 373-74-0 methyltrifluorosilane 
• 56998-71-1 1,1-difluorotetramethyldisiloxane 
• 24291-15-4 3-fluoroheptamethyltrisiloxane 
• 75-76-3 tetramethylsilane 

Relevant articles and documents

Method for preparing methyltris(trimethylsiloxy)silane

The invention provides a method for preparing methyltris(trimethylsiloxy)silane. The method comprises the steps that hexamethyldisiloxane and alcohol are mixed, then oxygen-containing linear phosphazene chloride is dripped in the mixture, and stirring is

Method for producing polyimidesiloxane

PROBLEM TO BE SOLVED: To provide a method for synthesizing siloxanes at will in good yield while maintaining high structural controllability, which can be applied to substrates having various substituents.SOLUTION: The method comprises reacting benzyloxysilanes and silicon halides in the absence of hydrogen using a catalyst comprising a transition metal or a compound thereof, preferably a metal of group 9 or group 10 of the periodic table or a compound thereof. Thereby, corresponding siloxanes can be produced safely and simply in high yield under a mild reaction condition accompanied by elimination of a benzyl halide. Especially, by using an active carbon-supported catalyst as a heterogeneous catalyst, the target siloxanes can be separated easily.

Preparation of branched siloxane

By reacting a branched siloxane compound of formula (2) containing compounds of formula (1) as an impurity with a disiloxane compound of formula (3) in the presence of an acid compound, there is prepared a branched siloxane of formula (2) containing a reduced level of compounds of formula (1).R1?nSi(OSiR2?3)3-n(OR3)R1?nSi(OSiR2?3)4-nR2?3SiOSiR2?3 R1 is a monovalent hydrocarbon group, R2 and R3 are H or monovalent hydrocarbon groups, and n is 0 or 1.