Tris(trimethylsiloxy)boron
[CAS# 4325-85-3]

Identification

• Classification: Chemical reagent >> Organic reagent >> Borate
• Name: Tris(trimethylsiloxy)boron
• Synonyms: Tris(trimethylsilyl) borate
• Molecular Formula: C₉H₂₇BO₃Si₃
• Molecular Weight: 278.38
• CAS Registry Number: 4325-85-3
• EC Number: 629-367-0

Properties

• Solubility: Very slightly soluble (0.21 g/L) (25 ºC), Calc.^*
• Density: 0.8299 g/cm³ (20 ºC)^**
• Melting point: -35 ºC^***
• Boiling point: 184.5 ºC (776 Torr)^**
• Refractive index: 1.3865 (589.3 nm 20 ºC)^****

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2015 ACD/Labs)

^** Voronkov, M. G.; Zhurnal Obshchei Khimii 1957, V27, P1476-83.

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

^**** Voronkov, M. G.; Russian Journal of Applied Chemistry 2006, V79(10), P1721-1722.

Safety Data

Hazard Classification

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