(tert-Butyldimethylsilyl)acetylene

ALDRICH/399264 - 99%

Synonym: Ethynyl-tert-butyldimethylsilane

CAS Number: 86318-61-8
Empirical Formula (Hill Notation): C₈H₁₆Si
Molecular Weight: 140.30
MDL Number: MFCD00191877
Linear Formula: (CH₃)₃CSi(CH₃)₂C≡CH
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-399264-1G	1 g	$0.00 1/EA CALL FOR PRICE		Add To Favorites
45-399264-5G	5 g	$173.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	99%
bp	116-117 °C (lit.)
density	0.751 g/mL at 25 °C (lit.)
InChI	1S/C8H16Si/c1-7-9(5,6)8(2,3)4/h1H,2-6H3
InChI key	RTYNRTUKJVYEIE-UHFFFAOYSA-N
refractive index	n20/D 1.451 (lit.)
SMILES string	CC(C)(C)[Si](C)(C)C#C

Application:	(tert-Butyldimethylsilyl)acetylene may be used in the synthesis of β-alkynylketone and β-alkynyl aldehydes.
General description:	(tert-Butyldimethylsilyl)acetylene is a bulky trialkylsilyl-protected alkyne. It participates in Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to afford synthetically useful unsymmetrical diynes.
General description:	(tert-Butyldimethylsilyl)acetylene readily undergoes cross-dimerization reaction with various internal phenyl acetylenes in the presence of rhodium dimers and bidentate phosphine ligands to afford enynes.
Packaging:	1, 5 g in ampule

Symbol	GHS02
Signal word	Danger
Hazard statements	H225
Precautionary statements	P210
Hazard Codes	F
Risk Statements	11
Safety Statements	9-16-23-24/25-29-33
RIDADR	UN 1993BF 3 / PGII
WGK Germany	WGK 3
Flash Point(F)	42.8 °F - closed cup
Flash Point(C)	6 °C - closed cup

Purity	99%
bp	116-117 °C (lit.)
Density	0.751 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.451 (lit.)
UNSPSC	12352100

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