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335789

Sigma-Aldrich

1-Chloro-2,4-difluorobenzene

98%

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About This Item

Linear Formula:
ClC6H3F2
CAS Number:
1435-44-5
Molecular Weight:
148.54
MDL number:
MFCD00042569
UNSPSC Code:
12352100
PubChem Substance ID:
24860345
NACRES:
NA.22

Quality Level

100

assay

98%

form

liquid

refractive index

n20/D 1.475 (lit.)

bp

127 °C (lit.)

density

1.353 g/mL at 25 °C (lit.)

SMILES string

Fc1ccc(Cl)c(F)c1

InChI

1S/C6H3ClF2/c7-5-2-1-4(8)3-6(5)9/h1-3H

InChI key

AJCSNHQKXUSMMY-UHFFFAOYSA-N

Related Categories

Application

1-Chloro-2,4-difluorobenzene was used in the preparation of series of benzonorbornadienes. It was also used in the preparation of difluoroarenes.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

91.4 °F - closed cup

flash_point_c

33 °C - closed cup

ppe

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

Certificates of Analysis (COA)

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Jason T Manka et al.
The Journal of organic chemistry, 69(6), 1967-1971 (2004-04-03)
Aryldiazo substituents were used in nucleophilic aromatic substitution reactions of halogens. The Ph-N=N- group activates ortho fluorine atoms toward alkylthiolation under mild conditions. In contrast, the Me(2)N-C(6)H(4)-N=N- group has virtually no activation effect in nucleophilic aromatic substitution, and serves as
K C Caster et al.
The Journal of organic chemistry, 66(9), 2932-2936 (2001-04-28)
This report details the synthesis of several benzonorbornadienes by Diels--Alder cycloaddition of cyclopentadiene derivatives with substituted benzyne intermediates, which were generated by low-temperature metal--halogen exchange of halobenzenes. General conditions were developed, allowing synthesis of most benzonorbornadienes described herein at the

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