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86318-61-8 - tert-Butyldimethylsilylacetylene, 98% - H53494 - Alfa Aesar

H53494 tert-Butyldimethylsilylacetylene, 98%

CAS-Nummer
86318-61-8
Synonyme

Größe Preis ($) Menge Verfügbarkeit
1g 56,80
5g 214,00
25g 852,00
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tert-Butyldimethylsilylacetylene, 98%

MDL
MFCD00191877

Chemische Eigenschaften

Formel
C8H16Si
Molmasse
140.30
Siedepunkt
130°
Flammpunkt
6°(43°F)
Dichte
0.751
Brechungsindex
1.451
Löslichkeit
Sparingly soluble in water (0.043 g/L at 25°C).

Anwendungen

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.

Bemerkungen

Stable under recommended storage conditions.

Literaturverweise

Dr. Ryo Shintani; Keishi Takatsu, Taisuke Katoh, Dr. Takahiro Nishimura; Prof. Dr. Tamio Hayashi. Rhodium-catalyzed rearrangement of aryl bis(alkynyl) carbinols to 3-alkynyl-1-indanones . Angewandte Chemie. 2008, 120, (8),1469-1471

 

Dr. Takahiro Nishimura; Takahiro Sawano; Prof. Tamio Hayashi. Asymmetric synthesis of β-alkynyl aldehydes by rhodium-catalyzed conjugate alkynylation. Angewandte Chemie. 2009, 121, (43),8201-8203

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H225-H315-H319-H335

Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Sicherheitshinweise: P210-P261-P280-P240-P303+P361+P353-P305+P351+P338-P304+P340-P362-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. Ground/bond container and receiving equipment. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
1921466
Gefahrenklasse
3
Verpackungsgruppe
II
Harmonized Tariff Code
2931.90
TSCA
No

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