Methyltris(trimethylsiloxy)silane
[CAS# 17928-28-8]

Identification

• Classification: Chemical reagent >> Silane reagent
• Name: Methyltris(trimethylsiloxy)silane
• Synonyms: 1,1,1,3,5,5,5-Heptamethyl-3-(trimethylsiloxy)trisiloxane
• Molecular Formula: C₁₀H₃₀O₃Si₄
• Molecular Weight: 310.69
• CAS Registry Number: 17928-28-8
• EC Number: 241-867-7

Properties

• Density: 0.849
• Melting point: -76 °C
• Boiling point: 194 °C
• Water solubility: <0.1 g/100 mL at 20 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	3	H226
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335