3-Bromo-1,5-dimethyl-1H-pyrazole(CAS: 5744-80-9)

3-Bromo-1,5-dimethyl-1H-pyrazole (CAS: 5744-80-9) is a white or off-white crystalline solid with a molecular weight of approximately 196.04 g/mol. It is slightly soluble in water and more soluble in organic solvents like ethanol and acetone. This compound is known for its stability under normal conditions but can undergo substitution reactions, particularly with nucleophiles. It is often used in organic synthesis and as a precursor in various chemical processes.

3-Bromo-1,5-dimethyl-1H-pyrazole (CAS: 5744-80-9) can be synthesized via the reaction of 1,5-dimethylpyrazole with bromine or bromine chloride in the presence of a base like sodium hydroxide. The yield is generally around 70-80% with high selectivity. This method is widely used in laboratories and industrial settings for its simplicity and effectiveness.

3-Bromo-1,5-dimethyl-1H-pyrazole (CAS: 5744-80-9) is primarily used in the pharmaceutical and chemical industries. It serves as an intermediate in the synthesis of various drugs and chemical compounds. Additionally, it has applications in polymer synthesis, where it can be used to functionalize polymers, and in the development of sensors and semiconductors due to its unique chemical properties.

When handling 3-Bromo-1,5-dimethyl-1H-pyrazole (CAS: 5744-80-9), it is essential to wear appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or a fume hood to minimize exposure. Spills should be contained and cleaned up using appropriate methods. Always refer to the Safety Data Sheet (SDS) for detailed handling and emergency procedures. This compound is stable under normal conditions but should be stored in a cool, dry place away from direct sunlight and heat sources.