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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 Number
17635-44-8
Synonyms

Size Price ($) Quantity Availability
5g 60.64
25g 314.15
100g 773.60
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3,4,5-Tribromo-1H-pyrazole, 97%

MDL
MFCD00040248

Chemical Properties

Formula
C3HBr3N2
Formula Weight
304.78
Melting point
184-188°
Solubility
Insoluble in water. Soluble in Chloroform.

Applications

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.

Notes

Store in cool place. Keep away from oxidizing agents.

Literature References

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 Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

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

Precautionary Statements: 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.

Other References

Beilstein
113501
Harmonized Tariff Code
2933.19
TSCA
No

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