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206474

Sigma-Aldrich

1-Chloro-4-ethynylbenzene

98%

Synonym(s):

(4-Chlorophenyl)acetylene

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About This Item

Linear Formula:
ClC6H4C≡CH
CAS Number:
873-73-4
Molecular Weight:
136.58
MDL number:
MFCD00191917
UNSPSC Code:
12352100
PubChem Substance ID:
24852401
NACRES:
NA.22

Assay

98%

form

solid

mp

45-47 °C (lit.)

functional group

chloro

SMILES string

Clc1ccc(cc1)C#C

InChI

1S/C8H5Cl/c1-2-7-3-5-8(9)6-4-7/h1,3-6H

InChI key

LFZJRTMTKGYJRS-UHFFFAOYSA-N

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General description

1-Chloro-4-ethynylbenzene undergoes standard Sonogashira reaction with iodophenyl groups on the film surfaces via the formation of C−C bonds.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H228,H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

50.0 °F - closed cup

Flash Point(C)

10 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Pd-catalyzed coupling reaction on the organic monolayer: Sonogashira reaction on the silicon (111) surfaces.
Qu M, et al.
Applied Surface Science, 255(5), 2608-2612 (2008)
Amit N Pandya et al.
Tetrahedron letters, 55(50), 6922-6924 (2014-12-17)
An efficient strategy for the synthesis of indolizines from readily available starting materials via oxidative C-H functionalization and

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