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17635-44-8 - 3,4,5-Tribromo-1H-pyrazole, 97% - A12031 - Alfa Aesar

A12031 3,4,5-Tribromo-1H-pyrazole, 97%

CAS-Nummer
17635-44-8
Synonyme

Größe Preis ($) Menge Verfügbarkeit
5g 37,20
25g 149,00
100g 474,00
Zum Warenkorb hinzufügen Zur Angebotsanfrage hinzufügen Artikel anzeigen

3,4,5-Tribromo-1H-pyrazole, 97%

MDL
MFCD00040248

Chemische Eigenschaften

Formel
C3HBr3N2
Molmasse
304.78
Schmelzpunkt
184-188°
Löslichkeit
Insoluble in water. Soluble in Chloroform.

Anwendungen

2,4,5-Tribromoimidazole(2,4,5-TBI) on condensation with sugar precursors yields 2,4,5-TBI nucleosides. It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuff.

Bemerkungen

Store in cool place. Keep away from oxidizing agents.

Literaturverweise

J. P. H. Juffermans.; Clarisse L. Habraken. Pyrazoles. 19. Selective thermolysis reactions of bromo-1-nitro-1H-pyrazoles. Formation of 3-nitro-1H- vs. 4-nitro-1H-pyrazoles. J. Org. Chem. 1986, 51 (24),4656-4660.

Swiatoslav Trofimenko.;Glenn P.A. Yap.; Fernando A. Jove.; Rosa M. Claramunt.; M. Ángeles García.; M. Dolores Santa Maria.; Ibon Alkorta.; José Elguero. Structure and tautomerism of 4-bromo substituted 1H-pyrazoles. Tetrahedron. 2007, 63 (34),8104-8111.

GHS Gefahren- und Sicherheitshinweise

Gefahrenhinweise (EU): H315-H319-H335

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

Sicherheitshinweise: P260-P201-P280g-P304+P340-P405-P501a

Do not breathe dust/fume/gas/mist/vapours/spray. Obtain special instructions before use. Wear protective gloves. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Weitere Referenzen

Beilstein
113501
Harmonized Tariff Code
2933.19
TSCA
No

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