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H64673 4-Bromo-1H-pyrazole, 98+%

CAS Number
2075-45-8
Synonyms

Stock No. Size Price ($) Quantity Availability
H64673-14 25g 34.00
H64673-36 500g 278.00
H64673-A1 1kg 510.00
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4-Bromo-1H-pyrazole, 98+%

MDL
MFCD00075602

Chemical Properties

Formula
C3H3BrN2
Formula Weight
146.97
Melting point
93-96° lit.
Boiling Point
250-260° lit.
Storage & Sensitivity
Ambient temperatures.
Solubility
Slightly soluble in water.

Applications

4-Bromopyrazole may be used in the preparation of 4-bromo-1-(2-chloroethyl)-1H-pyrazole. It may be used as starting material in the synthesis of 1,4?-bipyrazoles. Also used in the synthesis of various pharmaceutical and biologically active compounds, including inhibitors. It is also shown to be one of the 4-substituted pyrazoles, being able to act as inhibitor of liver alcohol dehydrogenase.

Notes

Store in cool, dry place in tightly closed container. With adequate ventilation. Store away from oxidizing agent.

Literature References

Guzei IA; and Winter CH. Structural Diversity in the Reaction of Mono- and Disubstituted Pyrazoles with Titanium Tetrachloride. Importance of Hydrogen Bonding and Trends in cis/trans Geometry of Binary Adducts with Unidentate Ligands. Inorg. Chem. 1997 36(20), 4415-4420.

E Alejandre-Durán; M Ruiz-Rubio; R M Claramunt; C López; C Pueyo. Mutagenicity study on pyrazole, seven pyrazole derivatives, and two nitroimidazoles with the L-arabinose resistance test of Salmonella typhimurium. Environmental Mutagenesis.1986 8(4), 611-619.

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
106510
Harmonized Tariff Code
2933.19
TSCA
No
RTECS
UQ6200000

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