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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.
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.
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