Description
Methyltris(trimethylsiloxy)silane (CAS 17928-28-8) is a clear, colorless liquid organosilicon compound. It has a molecular weight of 310.68 g/mol and is insoluble in water. Used in research and industrial applications, particularly in electronics and materials science, it’s often studied for thermal rearrangement of polysiloxanes.
	
 
	
Specifications
| 
				 Items  | 
			
				 Specifications  | 
		
| 
				 CAS  | 
			
				 17928-28-8  | 
		
| 
				 Appearance  | 
			
				 Clear liquid  | 
		
| 
				 Purity  | 
			
				 ≥99.5% by GC  | 
		
| 
				 Molecular Formula  | 
			
				 C10H30O3Si4  | 
		
| 
				 Molecular Weight  | 
			
				 310.69  | 
		
| 
				 Boiling Point  | 
			
				 235.4±23.0 oC at 760 mmHg  | 
		
| 
				 Melting Point  | 
			
				 -76oC  | 
		
| 
				 Flash Point  | 
			
				 88.1±23.0oC  | 
		
| 
				 Refractive Index  | 
			
				 1.412  | 
		
| 
				 Density  | 
			
				 0.849 g/mL at 25oC (lit.)  | 
		
| 
				 Storage conditions  | 
			
				 Store in tightly sealed containers in a cool, well-ventilated area.  | 
		
| 
				 EINECS Number  | 
			
				 241-867-7  | 
		
Applications:
1. Materials Science: Used as a specialty chemical in the synthesis of silicone-based materials, often as a precursor or modifier in polymer formulations due to its siloxane structure.
2. Electronics: Applied in the production of coatings or sealants for electronic components, leveraging its thermal stability and insulating properties.
3. Thermal Rearrangement Studies: Frequently utilized in research to study the thermal rearrangement of branched-chain methylpolysiloxanes, contributing to advancements in silicone chemistry.
4. Formulations: Found in methanol solutions or as a multifunctional siloxane oligomer in water, used in experimental or industrial chemical processes.
Other names
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-[(trimethylsilyl)oxy]-
Trisiloxane, 1,1,1,3,5,5,5-heptamethyl-3-(trimethylsiloxy)-
1,1,1,3,5,5,5-Heptamethyl-3-[(trimethylsilyl)oxy]trisiloxane
1,1,1,3,5,5,5-Heptamethyl-3-(trimethylsiloxy)trisiloxane
Tris(trimethylsiloxy)methylsilane
Methyl trimethicone
methyl tris(trimethylsiloxy)silane
EINECS 241-867-7
Methyl tris-(trimethylsilyloxy)silane
TMF 1.5