5-Bromo-1,2,4-thiadiazole|pharmaceutical intermediates(CAS: 43201-13-4)

5-Bromo-1,2,4-thiadiazole (CAS: 43201-13-4) is a crystalline solid with a molecular weight of approximately 194.01 g/mol. It has a low solubility in water but is soluble in common organic solvents like ethanol and acetone. Chemically, it is moderately reactive towards nucleophiles and can undergo substitution reactions. The compound is stable under normal conditions but requires storage in a dry environment to prevent hydrolysis.

5-Bromo-1,2,4-thiadiazole (CAS: 43201-13-4) is typically synthesized by bromination of 1,2,4-thiadiazole using N-bromosuccinimide (NBS) in an organic solvent like dichloromethane. The reaction is usually carried out at room temperature, and the product can be purified by recrystallization from ethanol. The yield is generally good, and the method is selective for bromination of the thiadiazole ring.

5-Bromo-1,2,4-thiadiazole (CAS: 43201-13-4) is used in various industries. It is commonly utilized in pharmaceuticals for the synthesis of medicinal compounds, in polymers to enhance their properties, and in sensors for detecting gases and other compounds. Additionally, it is used in the production of semiconductor materials due to its unique electronic properties.

When handling 5-Bromo-1,2,4-thiadiazole (CAS: 43201-13-4), it is essential to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. The substance should be handled in a well-ventilated area or under a fume hood. In case of a spill, it should be cleaned up with care, and the area should be well-ventilated. Always consult the Safety Data Sheet (SDS) for detailed emergency procedures and storage guidelines.