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Sigma-Aldrich

4-Ethynylaniline

97%

Synonym(s):

1-Amino-4-ethynylbenzene, P-APAC

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About This Item

Linear Formula:
HC≡CC6H4NH2
CAS Number:
14235-81-5
Molecular Weight:
117.15
Beilstein/REAXYS Number:
2205181
MDL number:
MFCD00168824
UNSPSC Code:
12352100
PubChem Substance ID:
24871739
NACRES:
NA.22

assay

97%

reaction suitability

reaction type: click chemistry

mp

98-102 °C (dec.) (lit.)

SMILES string

Nc1ccc(cc1)C#C

InChI

1S/C8H7N/c1-2-7-3-5-8(9)6-4-7/h1,3-6H,9H2

InChI key

JXYITCJMBRETQX-UHFFFAOYSA-N

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General description

4-Ethynylaniline, also known as p-ethynylaniline, is a terminal alkyne. Its synthesis using 2-methyl-3-butyn-2-ol (MEBYNOL) has been reported. The transition metal catalyzed polymerization of 4-ethynylaniline to afford poly(4-ethynylaniline) has been reported. The impact of the surface functionalization with 4-ethynylaniline on the thermal behavior of multi-walled carbon nanotubes (MWNTs) and graphene has been investigated.

application

4-Ethynylaniline may be used in the synthesis of N-methyliminodiethyl 4-(4-ethynylphenyliminomethyl)benzeneboronate. It can also be used to prepare an acetylene ligand, HC2-NDI (NDI= 1,4,5,8-naphthalenediimide).
Used as an alkyne component in a synthesis of indoles from nitroarenes in the presence of a palladium-phenantroline catalyst.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Platinum (II) phosphine complexes with acetylene ligands containing 1,4,5,8-naphthalenediimide: Synthesis, crystal structure and electrochemistry.
Shavaleev NM, et al.
Journal of Organometallic Chemistry, 692(4), 921-925 (2007)
A simple and economical synthetic route to p-ethynylaniline and ethynyl-terminated substrates.
Melissaris AP and Litt MH.
The Journal of Organic Chemistry, 59(19), 5818-5821 (1994)
Comparative study of the covalent diazotization of graphene and carbon nanotubes using thermogravimetric and spectroscopic techniques.
Castelain M, et al.
Physical Chemistry Chemical Physics, 15(39), 16806-16811 (2013)
Arijit Sengupta et al.
International journal of biological macromolecules, 82, 256-263 (2015-10-18)
Amphiphilic hybrid graft copolymers were synthesized using a graft-to methodology and their protein adsorption profiles studied. Three different hydrophilic side chains were studied: hydroxypropylated high amylose starch, maltodextrin, and polyethylene glycol (PEG). In the high amylose starch compositions, there was
Synthesis and Electro-Optical Properties of Poly(4-ethynylaniline).
Gui TL, et al.
Mol. Cryst. Liq. Cryst., 459(1), 19-299 (2006)
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