(tert-Butyldimethylsilyl)ethyne
[CAS# 86318-61-8]

Identification

• Classification: Chemical reagent >> Organic reagent >> Silane
• Name: (tert-Butyldimethylsilyl)ethyne
• Synonyms: tert-Butylethynyldimethylsilane
• Molecular Formula: C₈H₁₆Si
• Molecular Weight: 140.30
• CAS Registry Number: 86318-61-8
• EC Number: 626-735-2

Properties

• Solubility: Practically insoluble (0.043 g/L) (25 ºC), Calc.^*
• Density: 0.778±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 98-102 ºC (chloroform hexane )^**
• Boiling point: 49-51 ºC (55 Torr)^***
• Flash point: 20.1±11.3 ºC, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Fandrick, Daniel R.; Organic Letters 2009, V11(23), P5458-5461.

^*** Schaumann, Ernst; Chemische Berichte 1983, V116(5), P1728-38.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Flammable liquids	Flam. Liq.	2	H225
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335
Flammable solids	Flam. Sol.	2	H228