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

CAS Number
17635-44-8
Synonyms

Stock No. Size Price ($) Quantity Availability
A12031-06 5g 37.70
A12031-14 25g 149.00
A12031-22 100g 474.00
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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°
Storage & Sensitivity
Ambient temperatures.
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-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Beilstein
113501
Harmonized Tariff Code
2933.19
TSCA
No

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