218170
Ethynyltrimethylsilane
98%
Synonym(s):
Trimethylsilylacetylene
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All Photos(4)
About This Item
Linear Formula:
(CH3)3SiC≡CH
CAS Number:
Molecular Weight:
98.22
Beilstein:
906752
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
vapor pressure
4.18 psi ( 20 °C)
Quality Level
Assay
98%
form
liquid
refractive index
n20/D 1.388 (lit.)
bp
53 °C (lit.)
density
0.709 g/cm3 (lit.)
storage temp.
2-8°C
SMILES string
C[Si](C)(C)C#C
InChI
1S/C5H10Si/c1-5-6(2,3)4/h1H,2-4H3
InChI key
CWMFRHBXRUITQE-UHFFFAOYSA-N
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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.
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
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 2 - Skin Irrit. 2
WGK
WGK 1
Flash Point(F)
-29.2 °F
Flash Point(C)
-34 °C
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
危险化学品
Certificates of Analysis (COA)
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Frédéric Friscourt et al.
Organic letters, 12(21), 4936-4939 (2010-10-15)
A microwave-assisted, one-pot, three-step Sonogashira cross-coupling-desilylation-cycloaddition sequence was developed for the convenient preparation of 1,4-disubstituted 1,2,3-triazoles starting from a range of halides, acyl chlorides, ethynyltrimethylsilane, and azides.
Francisco J Caparrós et al.
Molecules (Basel, Switzerland), 25(4) (2020-02-26)
A new 2,7,10,15-tetraethynyldibenzo[g,p]chrysene ligand (1) and two tetranuclear gold(I) derivatives containing PPh3 (3) and PMe3 (4) phosphines were synthesized and characterized by 1H and 31P NMR, IR spectroscopy, and high-resolution mass spectrometry. The compounds were studied in order to analyze
Hong Shang et al.
Advanced materials (Deerfield Beach, Fla.), 30(27), e1801459-e1801459 (2018-05-26)
In situ weaving an all-carbon graphdiyne coat on a silicon anode is scalably realized under ultralow temperature (25 °C). This economical strategy not only constructs 3D all-carbon mechanical and conductive networks with reasonable voids for the silicon anode at one
Fabian Reiß et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 24(21), 5667-5674 (2018-02-02)
The reaction of the allene precursor Li2 (Me3 SiC3 SiMe3 ) with [Cp2 ZrCl2 ] (Cp=cyclopentadienyl) was examined. The selective formation of hitherto unknown linear, allene-bridged dizirconocene complexes [(Cp2 ZrCl)2 {-μ-(Me3 Si)C3 (SiMe3 )-}] and [(Cp2 Zr)2 {-μ-(Me3 Si)C3 (SiMe3
Yan Liang
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 216, 395-403 (2019-03-29)
Two benzene with multiple contiguous phenyl substituent derivatives, namely, 1, 2, 3, 4-tetraphenyl benzene (TPB) and bis(1,2,3,4-tetraphenylbenzene-yl) diphenylsilane (TPB-Si), were synthesized by the Knoevenagel/Diels-Alder method. TPB and TPB-Si both showed aggregation-induced emission enhancement (AIEE) properties in tetrahydrofuran/water mixtures. The fluorescence-quenching
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