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264245

Sigma-Aldrich

1,4-Dibromo-2,5-difluorobenzene

98%

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About This Item

Linear Formula:
Br2C6H2F2
CAS Number:
Molecular Weight:
271.88
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

form

solid

bp

96 °C/20 mmHg (lit.)

mp

60-62 °C (lit.)

functional group

bromo
fluoro

SMILES string

Fc1cc(Br)c(F)cc1Br

InChI

1S/C6H2Br2F2/c7-3-1-5(9)4(8)2-6(3)10/h1-2H

InChI key

GLVMLJCMUBZVTJ-UHFFFAOYSA-N

Application

1,4-Dibromo-2,5-difluorobenzene has been used in the preparation of:
  • 1,2,4,5-tetrakis(phosphino)-3,6-difluorobenzenes
  • poly(2,5-difluoro-2′,5′-didodecyl-4,4′-biphenylylene

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Functionalized poly-and oligo-phenylenes: Variations on the Suzuki cross-coupling of functionalized aryl dibromides with the 1, 3-propanediol diester of 2, 5-dialkyl-1, 4-phenylenediboronic acid.
Kowitz C and Wegner G.
Tetrahedron, 53(45), 15553-15574 (1997)
New synthetic route to polyphosphine ligands bearing 1,2,4,5-tetrakis (phosphino) benzene framework: structural characterizations of 1, 4-(PPh2)2-2, 5-(PR2)2-C6F2(R= Ph, iPr, Et).
Kongprakaiwoot N, et al.
Journal of Organometallic Chemistry, 689(21), 3350-3356 (2004)

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