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Key Documents

335789

Sigma-Aldrich

1-Chloro-2,4-difluorobenzene

98%

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About This Item

Linear Formula:
ClC6H3F2
CAS Number:
Molecular Weight:
148.54
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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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
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

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