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218170 Aldrich

Ethynyltrimethylsilane

98%

Synonym: Trimethylsilylacetylene

  • CAS Number 1066-54-2

  • Linear Formula (CH3)3SiC≡CH

  • Molecular Weight 98.22

  •  Beilstein Registry Number 906752

  •  MDL number MFCD00008569

  •  PubChem Substance ID 24853048

  • Popular Documents:  FTNMR (PDF)  

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Properties

Related Categories Alkynes, Building Blocks, Chemical Synthesis, Organic Building Blocks, Terminal More...
vapor pressure   4.18 psi ( 20 °C)
InChI Key   CWMFRHBXRUITQE-UHFFFAOYSA-N
assay   98%
refractive index   n20/D 1.388(lit.)
bp   53 °C(lit.)
density   0.709 g/cm3(lit.)
storage temp.   2-8°C

Description

Packaging

1, 5, 25, 100 g in glass bottle

Application

Ethynyltrimethylsilane was used in:
• microwave-assisted, one-pot, three-step Sonogashira cross-coupling-desilylation-cycloaddition reaction for the preparation of 1,4-disubstituted 1,2,3-triazoles
• synthesis of poly(ethynyltrimethylsilane) containing Pd (II) coordination sites
• pyrazole synthesis via 1,3-dipolar cycloaddition of diazo compounds to acetylenes

General description

Laser-induced polymerization of gaseous ethynyltrimethylsilane was used for efficient chemical vapour deposition of polycarbosilane films. Ethynyltrimethylsilane acts as substrate for nickel-catalyzed cross-coupling with benzonitriles.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1993BF 3 / PGII
WGK Germany 
3
Flash Point(F) 
-29.2 °F
Flash Point(C) 
-34 °C
Protocols & Articles

Articles

Acids and Bases

Acids and bases have been used by chemists for centuries, and are among the most fundamental reagents employed in synthetic organic chemistry. This Aldrich product line ranges from Brønsted and Lewis...
Chemfiles Volume 1 Article 3

Reagents for C–C Bond Formation

Aldrich carries a large variety of electrophiles and nucleophiles that are widely used in C–C bond-forming reactions. This group of products contains many organometallic reagents as well as commonly-...
ChemFiles Volume 1 Article 3
Keywords: Acylations, Alkylations

Related Content

Alkynes and Acetylenic Building Blocks

Aldrich Chemistry lists over 600 alkyne building blocks, including a wide array of propargyl alcohols, acetylenic boron reagents, and halogenated substrates for cross-coupling. Additionally, many of ...
Keywords: Building blocks, Coupling reactions, Cross couplings

Peer-Reviewed Papers
15

References

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94791 SnapIT Ampule Opener, Regular, for 1-2ml, 5-10ml, 10-15ml ampoules
43917 SnapIT Ampule Opener, large, for 5-10ml, 10-15ml, 20-25ml ampoules
08168 Timestrip Plus 8 °C

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