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117706

Sigma-Aldrich

Phenylacetylene

98%

Synonym(s):

Ethynylbenzene

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About This Item

Linear Formula:
C6H5CCH
CAS Number:
536-74-3
Molecular Weight:
102.13
Beilstein/REAXYS Number:
605461
MDL number:
MFCD00008570
UNSPSC Code:
12352100
PubChem Substance ID:
24847341
NACRES:
NA.22

vapor pressure

17.6 mmHg ( 37.7 °C)

Quality Level

200

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.)

functional group

phenyl

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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Certificates of Analysis (COA)

Lot/Batch Number
BCCL1753
BCCH5556
BCCF2539
BCCB7908
BCBZ7343

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Rhodium and platinum complexes as catalysts for the polymerization of phenylacetylene.
Furlani A, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 24(5), 991-1005 (1986)
Tetrahedron Letters, 48, 1457-1457 (2007)
Katarina Novakovic et al.
Physical chemistry chemical physics : PCCP, 10(5), 749-753 (2008-02-07)
This paper reports on the influence of oscillations on product selectivity as well as the dynamics of product formation during the palladium-catalysed phenylacetylene oxidative carbonylation reaction in a catalytic system (PdI2, KI, Air, NaOAc in methanol). The occurrence of the
Zhuofeng Ke et al.
Journal of the American Chemical Society, 134(37), 15418-15429 (2012-09-13)
Artificial metalloenzyme, composed of metal complex(es) and a host protein, is a promising way to mimic enzyme catalytic functions or develop novel enzyme-like catalysis. However, it is highly challenging to unveil the active site and exact reaction mechanism inside artificial
Zhouqing Xu et al.
Chemical communications (Cambridge, England), 48(46), 5736-5738 (2012-05-09)
[8+12]-metallamacrocycle-based 3D frameworks {[Cu(4)(pbt)(2)(SO(4))(2)(DMF)(2)(CH(3)OH)]·7H(2)O·DMF}(n) (1) and [12]-macrocycle 3D {[Cu(2)(pbt)(SO(4))(DMSO)(CH(3)OH)(2)]·5H(2)O·CH(3)OH}(n) (2) have been obtained. Both complexes display antiferromagnetic couplings and high catalytic activity in the oxidative coupling reaction of 1-ethynylbenzene and oxazolidin-2-one.
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