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263478

Sigma-Aldrich

4-Bromo-1,2-difluorobenzene

98%

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About This Item

Linear Formula:
BrC6H3F2
CAS Number:
348-61-8
Molecular Weight:
192.99
EC Number:
206-481-5
MDL number:
MFCD00000304
UNSPSC Code:
12352100
PubChem Substance ID:
24855975
NACRES:
NA.22

assay

98%

refractive index

n20/D 1.505 (lit.)

bp

150-151 °C (lit.)

density

1.707 g/mL at 25 °C (lit.)

functional group

bromo

SMILES string

Fc1ccc(Br)cc1F

InChI

1S/C6H3BrF2/c7-4-1-2-5(8)6(9)3-4/h1-3H

InChI key

YMQPKONILWWJQG-UHFFFAOYSA-N

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General description

Regioselective nucleophilic aromatic substitution reaction of 4-bromo-1,2-difluorobenzene with benzyl alcohol has been investigated.

Application

4-Bromo-1,2-difluorobenzene has been used in the preparation of 4-benzyl-2-(3,4-difluorophenyl)-2-hydroxy-morpholine.

accessory

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Description
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signalword

Warning

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 2 - Flam. Liq. 3 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

3 - Flammable liquids

wgk_germany

WGK 2

flash_point_f

91.4 °F

flash_point_c

33 °C

ppe

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

Certificates of Analysis (COA)

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Regioselectivity of fluorine substitution by alkoxides on unsymmetrical difluoroarenes.
Dirr R, et al.
Tetrahedron Letters, 49(31), 4588-4590 (2008)
Preparation of chiral key intermediates of morpholine based neurokinin receptor antagonists by asymmetric allylic alkylation.
Keldenich J, et al.
Tetrahedron, 69(31), 6424-6430 (2013)

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