tert-Butyldimethylsilylacetylene, 98%, Thermo Scientific Chemicals

Product Code	Brand	Quantity
15440378	Thermo Scientific Alfa Aesar H53494.03	1 g
15450378	Thermo Scientific Alfa Aesar H53494.06	5 g
15460378	Thermo Scientific Alfa Aesar H53494.14	25 g

Description

tert-Butyldimethylsilylacetylene may be used in the synthesis of β-alkynylketone and β-alkynyl aldehydes. It participates in Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to afford synthetically useful unsymmetrical diynes.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
tert-Butyldimethylsilylacetylene may be used in the synthesis of β-alkynylketone and β-alkynyl aldehydes. It participates in Cadiot-Chodkiewicz cross-coupling reaction with various bromoalkynes to afford synthetically useful unsymmetrical diynes.

Solubility
Sparingly soluble in water (0.043 g/L at 25°C).

Notes
Stable under recommended storage conditions.

Chemical Identifiers

• CAS: 86318-61-8
• Molecular Weight (g/mol): 140.301
• InChI Key: RTYNRTUKJVYEIE-UHFFFAOYSA-N
• PubChem CID: 2757281
• SMILES: CC(C)(C)[Si](C)(C)C#C

• Molecular Formula: C8H16Si
• MDL Number: MFCD00191877
• Synonym: tert-butyldimethylsilyl acetylene, tert-butyldimethylsilylacetylene, tert-butyl ethynyl dimethylsilane, ethynyl-t-butyldimethylsilane, tert-butyldimethylsilyl ethyne, tert-butyl-ethynyl-dimethyl-silane, silane, 1,1-dimethylethyl ethynyldimethyl, t-butyldimethylsilylacetylene, tert-butyldimethylsilylethyne, tert-butylethynyldimethylsilane
• IUPAC Name: tert-butyl-ethynyl-dimethylsilane

Specifications

• Boiling Point: 130°C
• Molecular Formula: C8H16Si
• MDL Number: MFCD00191877
• Beilstein: 1921466
• Synonym: tert-butyldimethylsilyl acetylene, tert-butyldimethylsilylacetylene, tert-butyl ethynyl dimethylsilane, ethynyl-t-butyldimethylsilane, tert-butyldimethylsilyl ethyne, tert-butyl-ethynyl-dimethyl-silane, silane, 1,1-dimethylethyl ethynyldimethyl, t-butyldimethylsilylacetylene, tert-butyldimethylsilylethyne, tert-butylethynyldimethylsilane
• InChI Key: RTYNRTUKJVYEIE-UHFFFAOYSA-N
• IUPAC Name: tert-butyl-ethynyl-dimethylsilane
• PubChem CID: 2757281
• Percent Purity: 98%
• Density: 0.751

• CAS: 86318-61-8
• Linear Formula: (CH₃)₃CSi(CH₃)₂C≡CH
• UN Number: UN1993
• Flash Point: 6°C (43°F)
• Solubility Information: Sparingly soluble in water (0.043g/L at 25°C).
• SMILES: CC(C)(C)[Si](C)(C)C#C
• Molecular Weight (g/mol): 140.301
• Formula Weight: 140.3
• Refractive Index: 1.451
• Chemical Name or Material: tert-Butyldimethylsilylacetylene

Safety and Handling

GHS H Statement
H225-H315-H319-H335
Highly flammable liquid and vapor.
Causes skin irritation.
Causes serious eye irritation.
May cause respiratory irritation.

P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c

H225-H315-H319-H335

missing translation for 'dotInformation' : Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.

missing translation for 'tsca' : No

Recommended Storage : Ambient temperatures

RUO – Research Use Only