Tetrakis(dimethylsilyloxy)silane
[CAS# 17082-47-2]

Identification

• Classification: Chemical reagent >> Organic reagent >> Siloxane
• Name: Tetrakis(dimethylsilyloxy)silane
• Synonyms: SIT 7278; SIT 7278.0; T 1915; TSL 8248; Tetrakis(dimethylsiloxy)silane; Tetrakis(dimethylsilyl)orthosilicate
• Molecular Formula: C₈H₂₈O₄Si₅
• Molecular Weight: 328.73
• CAS Registry Number: 17082-47-2
• EC Number: 627-471-0

Properties

• Solubility: Insoluble (2.1E^-5 g/L) (25 ºC), Calc.^*
• Density: 0.886 g/cm^3**
• Boiling point: 190-192 ºC^***
• Refractive index: 1.3869 (589.3 nm 20 ºC)^****
• Flash point: 91.9±22.6 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** "Metal-Organics Catalog" physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US)

^*** Saxena, Kanak; Applied Organometallic Chemistry 2010, V24(3), P251-256.

^**** Muller, Rich.; Journal fuer Praktische Chemie (Leipzig) 1960, V11, P336-40.

Safety Data

• Hazard Symbols: Xi
• Risk Codes: R36/37/38
• Safety Description: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319
Flammable liquids	Flam. Liq.	4	H227