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338923

Sigma-Aldrich

1-Phenyl-2-trimethylsilylacetylene

99%

Synonym(s):

1-(Trimethylsilyl)-2-phenylacetylene, Phenylethynyl-trimethylsilane, Trimethyl(phenylethynyl)silane

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10 G
$162.45
50 G
$136.00

About This Item

Linear Formula:
C6H5C≡CSi(CH3)3
CAS Number:
2170-06-1
Molecular Weight:
174.31
Beilstein/REAXYS Number:
3088678
MDL number:
MFCD00054860
UNSPSC Code:
12352100
PubChem Substance ID:
24860590
NACRES:
NA.22

$162.45

List Price$171.00Save 5%
Web-Only Promotion

Available to ship onApril 29, 2025Details

Request a Bulk Order

Quality Level

100

assay

99%

form

liquid

refractive index

n20/D 1.528 (lit.)

bp

87-88 °C/9 mmHg (lit.)

density

0.886 g/mL at 25 °C (lit.)

functional group

phenyl

SMILES string

C[Si](C)(C)C#Cc1ccccc1

InChI

1S/C11H14Si/c1-12(2,3)10-9-11-7-5-4-6-8-11/h4-8H,1-3H3

InChI key

UZIXCCMXZQWTPB-UHFFFAOYSA-N

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General description

1-Phenyl-2-trimethylsilylacetylene is an SiMe3-substituted alkyne.[1] It undergoes coupling with propargylic and allylic alcohols.[2] Polymerization of 1-phenyl-2-trimethylsilylacetylene by various transition metal catalysts has been reported.[3]

Application

1-Phenyl-2-trimethylsilylacetylene was used in the preparation of donor-stabilized Pt-η2-alkyne complexes.[1]

pictograms

Exclamation mark
GHS07

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Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

165.2 °F - closed cup

flash_point_c

74 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000215954
0000184235
0000159916
SHBK0393
SHBG5777V

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G G K S Narayana Kumar et al.
Organic & biomolecular chemistry, 10(36), 7347-7355 (2012-08-11)
Allyltrimethylsilane (allyl-TMS) reacts with propargylic alcohols 1a-1d in the presence of 10% Bi(OTf)(3) in [BMIM][BF(4)] solvent to furnish the corresponding 1,5-enynes in respectable isolated yields (87-93%) at room temperature. The utility of Bi(OTf)(3) as a superior catalyst was demonstrated in
Polymerization of 1-phenyl-2-trimethylsilylacetylene by transition metal catalysts.
Gal Y-S and Choi S-K.
Journal of Polymer Science Part A: Polymer Chemistry, 25(8), 2323-2326 (1987)
Thermal and photochemical silicon-carbon bond activation in donor-stabilized platinum (0)-alkyne complexes.
Muller C, et al.
Organometallics, 21(6), 1190-1196 (2002)
Electro-optical and Electrochemical Properties of a Disubstituted Polyacetylene: Poly (1-phenyl-2-trimethylsilylacetylene)
Choi HK, et al.
Mol. Cryst. Liq. Cryst., 563, 153-158 (2012)

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