3-(tert-Butyldimethylsilyloxy)propyne
[CAS# 76782-82-6]

Identification

• Name: 3-(tert-Butyldimethylsilyloxy)propyne
• Synonyms: Propargyl alcohol tert-butyldimethylsilyl ether; tert-Butyldimethyl(2-propyn-1-yloxy)silane; tert-Butyldimethyl(2-propynyloxy)silane; tert-Butyldimethylsilyl propargyl ethe
• Molecular Formula: C₉H₁₈OSi
• Molecular Weight: 170.32
• CAS Registry Number: 76782-82-6
• EC Number: 833-860-8

Properties

• Solubility: Very slightly soluble (0.34 g/L) (25 ºC), Calc.^*
• Density: 0.838±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Boiling point: 52-54 ºC (15 Torr)^**
• Flash point: 38.8±10.0 ºC, Calc.^*

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

^** Wender, Paul A.; Tetrahedron 1981, V37(23), P3967-75.

Safety Data

Hazard Classification

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