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360058

(Triphenylsilyl)acetylene

98%

Synonym(s):

1,1′,1′′-(Ethynylsilylidyne)tris[benzene], Ethynyltriphenylsilane, Triphenylsilylacetylene, Triphenylsilylethyne

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About This Item

Linear Formula:
(C6H5)3SiC≡CH
CAS Number:
Molecular Weight:
284.43
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
98%
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Quality Segment

assay

98%

mp

48-50 °C (lit.)

SMILES string

C#C[Si](c1ccccc1)(c2ccccc2)c3ccccc3

InChI

1S/C20H16Si/c1-2-21(18-12-6-3-7-13-18,19-14-8-4-9-15-19)20-16-10-5-11-17-20/h1,3-17H

InChI key

WADKYPSVXRWORK-UHFFFAOYSA-N

General description

(Triphenylsilyl)acetylene is a terminal alkyne. Rhodium-catalyzed asymmetric addition of (triphenylsilyl)acetylene to diphenylphosphinylallene is reported.

Application

(Triphenylsilyl)acetylene may be used in the synthesis of:
  • selenothioic acid S-alkyl esters
  • methyl 2-(di{ 3, 5-bis[(triphenylsilyl)ethynyl]phenyl}-phosphino)benzoate
  • 2-(di{3,5-bis[(triphenylsilyl)ethynyl]phenyl}-phosphino)benzoic acid


Pictograms

Exclamation mark

Signal Word

Warning

Hazard Codes

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

11 - Combustible Solids

WGK

WGK 3

Flash Point (°F)

235.4 °F - closed cup

Flash Point (°C)

113 °C - closed cup

PPE (personal protective equipment)

dust mask type N95 (US), Eyeshields, Gloves



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