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630268

Sigma-Aldrich

3-Chloro-1-ethynylbenzene

97%

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About This Item

Linear Formula:
ClC6H4≡CH
CAS Number:
766-83-6
Molecular Weight:
136.58
MDL number:
MFCD03839984
UNSPSC Code:
12352100
PubChem Substance ID:
24882161
NACRES:
NA.22

Quality Level

100

Assay

97%

refractive index

n20/D 1.5640 (lit.)

bp

178-179 °C (lit.)

density

1.109 g/mL at 25 °C (lit.)

SMILES string

Clc1cccc(c1)C#C

InChI

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

InChI key

GRBJPHPMYOUMJV-UHFFFAOYSA-N

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315

Hazard Classifications

Skin Irrit. 2

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

145.0 °F - closed cup

Flash Point(C)

62.78 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCK1417
MKBR0327V
MKBC6257V
MKBC6257
19529KE

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Articles

New Aromatic Terminal Alkynes

The terminal alkyne functionality has a wide range of applications including most recently the synthesis of spiropyran substituted 2,3-dicyanopyrazines and (±)-asteriscanolide, as well as conversion to enamines using resin-bound 2° amines.

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