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327-51-5 - 1,4-Dibromo-2,5-difluorobenzene, 98% - A14248 - Alfa Aesar

A14248 1,4-Dibromo-2,5-difluorobenzene, 98%

Número CAS
327-51-5
Nombre Alternativo

Tamaño Precio ($) Cantidad Disponibilidad
5g 32,26
25g 127,20
100g 540,75
Añadir al carrito Añadir al presupuesto al por mayor Ver artículo

1,4-Dibromo-2,5-difluorobenzene, 98%

MDL
MFCD00000346
EINECS
206-317-2

Propiedades químicas

Fórmula
C6H2Br2F2
Peso molecular
271.89
Punto de fusión
60-64°
Punto de ebullición
96°/20mm
Solubilidad
Soluble in methanol. Insoluble in water.

Aplicaciones

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

Notas

Stable under recommended storage conditions. Store in cool, dry place in tightly closed containers. With good ventilation. Store away from oxidizing agent.

Referencias documentales

Kongprakaiwoot N, et al. 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). J. Organomet. Chem. 2004, 689 (21), 3350-56.

Kowitz C; and Wegner Gl. 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. Tetrahedron. 1997, 53 (45), 15553-74.

For discussion of reaction with n-BuLi, including formation of dibenzyne, see: Org. Synth., 75, 201 (1997); see also 1,2,4,5-Tetrabromobenzene, L13539.

Indicaciones de peligro y de precaución del GHS

Indicaciones de peligro (UE): H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Indicaciones de precaución: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Otras referencias

Beilstein
2250095
Código de tarifa arancelaria unificado
2903.99
TSCA
No

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