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Sigma-Aldrich

Phenylacetylene

98%

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Synonym(s):
Ethynylbenzene
Linear Formula:
C6H5CCH
CAS Number:
Molecular Weight:
102.13
Beilstein/REAXYS Number:
605461
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor pressure

17.6 mmHg ( 37.7 °C)

Quality Level

assay

98%

impurities

<1% 1,4-dioxane

refractive index

n20/D 1.549 (lit.)

bp

142-144 °C (lit.)

solubility

H2O: insoluble
alcohol: miscible
diethyl ether: miscible

density

0.93 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

C#Cc1ccccc1

InChI

1S/C8H6/c1-2-8-6-4-3-5-7-8/h1,3-7H

InChI key

UEXCJVNBTNXOEH-UHFFFAOYSA-N

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General description

Phenylacetylene is an aromatic organic compound frequently employed in Sonogashira coupling reactions. Phenylacetylene undergoes polymerization catalyzed by Rh and Pt complexes to form polyphenylacetylene.

Application

Phenylacetylene was used in a study to investigate the mechanism of product formation during the palladium-catalysed phenylacetylene oxidative carbonylation reaction.
Terminal acetylene used in the conversion of nitrones to alkynyl hydroxyl amines in the presence of trimethylaluminum..

signalword

Danger

Hazard Classifications

Aquatic Chronic 3 - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

80.6 °F - closed cup

flash_point_c

27 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter


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