3,6-Dichloro-4-pyridazinecarboxylic acid(CAS: 51149-08-7)

3,6-Dichloro-4-pyridazinecarboxylic acid is a white to off-white crystalline solid with a molecular weight of approximately 226.03 g/mol. It has a low solubility in water but is more soluble in organic solvents. This compound is relatively stable under normal conditions but can react with strong bases to form salts. It is insoluble in water, soluble in ethanol, and slightly soluble in acetone.

3,6-Dichloro-4-pyridazinecarboxylic acid is typically synthesized via the reaction of 4-chloropyridazine with chloroacetyl chloride followed by hydrolysis. The synthesis involves a series of steps that include chlorination and acylation. The yield of the final product is around 85-90%, and the reaction is selective, with minimal by-products. Suitable catalysts and solvents are used to enhance the reaction selectivity and yield.

3,6-Dichloro-4-pyridazinecarboxylic acid finds applications primarily in the pharmaceutical industry as an intermediate for the synthesis of various drugs. It is also used in the chemical industry for the production of dyes and as a reagent in analytical chemistry. Additionally, it can be used in the sensor industry for the development of gas sensors.

When handling 3,6-Dichloro-4-pyridazinecarboxylic acid, it is essential to use proper personal protective equipment (PPE), including gloves, goggles, and a lab coat. This compound should be stored in a cool, dry place away from heat sources and direct sunlight. It should be handled under a fume hood to minimize inhalation risk. In case of a spill, immediately contain it and clean up using appropriate absorbents. Always refer to the Material Safety Data Sheet (MSDS) for detailed safety information.