335789
1-Chloro-2,4-difluorobenzene
98%
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About This Item
Linear Formula:
ClC6H3F2
CAS Number:
Molecular Weight:
148.54
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
98%
Form:
liquid
InChI
1S/C6H3ClF2/c7-5-2-1-4(8)3-6(5)9/h1-3H
SMILES string
Fc1ccc(Cl)c(F)c1
InChI key
AJCSNHQKXUSMMY-UHFFFAOYSA-N
assay
98%
form
liquid
refractive index
n20/D 1.475 (lit.)
bp
127 °C (lit.)
density
1.353 g/mL at 25 °C (lit.)
functional group
chloro, fluoro
Quality Level
Application
1-Chloro-2,4-difluorobenzene was used in the preparation of series of benzonorbornadienes. It was also used in the preparation of difluoroarenes.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
3 - Flammable liquids
wgk
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
Regulatory Information
危险化学品
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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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