5-Butyl-1H-benzotriazole(CAS: 3663-24-9)

5-Butyl-1H-benzotriazole (CAS: 3663-24-9) is a crystalline compound with a molecular weight of approximately 212.32 g/mol. It is sparingly soluble in water but soluble in organic solvents such as ethanol and acetone. The compound is known for its stability and low reactivity under normal conditions, making it suitable for various applications in industry and research.

5-Butyl-1H-benzotriazole is typically synthesized via the reaction of 4-bromo-1H-benzotriazole with n-butyl lithium in tetrahydrofuran (THF). The reaction is conducted under anhydrous conditions to ensure high yield and selectivity. The use of appropriate catalysts and solvents can enhance the reaction efficiency and product purity.

5-Butyl-1H-benzotriazole (CAS: 3663-24-9) is widely used in various industries including pharmaceuticals, where it serves as a photostabilizer in drug formulations, and in the production of polymers, where it acts as a light stabilizer. It also finds applications in the manufacturing of sensors and semiconductors as an additive to improve material properties.

When handling 5-Butyl-1H-benzotriazole (CAS: 3663-24-9), it is important to use personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a well-ventilated area or fume hood to avoid inhalation. Spills should be immediately cleaned up using appropriate absorbent materials, and the area should be flushed with water. Refer to the safety data sheet (SDS) for detailed information on handling and storage requirements.