Cookies disclaimer

I agree Our site saves small pieces of text information (cookies) on your device in order to deliver better content and for statistical purposes. You can disable the usage of cookies by changing the settings of your browser. By browsing our website without changing the browser settings you grant us permission to store that information on your device.

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

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

CAS-Nummer
327-51-5
Synonyme

Größe Preis ($) Menge Verfügbarkeit
5g 32,26
25g 127,20
100g 540,75
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

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

MDL
MFCD00000346
EINECS
206-317-2

Chemische Eigenschaften

Formel
C6H2Br2F2
Molmasse
271.89
Schmelzpunkt
60-64°
Siedepunkt
96°/20mm
Löslichkeit
Soluble in methanol. Insoluble in water.

Anwendungen

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.

Bemerkungen

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

Literaturverweise

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.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

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

Sicherheitshinweise: 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.

Weitere Referenzen

Beilstein
2250095
Harmonized Tariff Code
2903.99
TSCA
No

Empfohlen

Kürzlich angesehen

Chemikalien

Life science

Metalle und Stoffe

Katalysatoren

Forschungs- und Laborbedarf