Isolate the leaked contaminated area and restrict access. It is recommended that emergency handlers wear dust masks (full-face masks) and wear protective clothing. Collect with a clean shovel in a dry, clean, covered container and transfer to a safe place. If there is a large amount of leakage, collect it for recycling or transport it to a waste disposal site for disposal. Operational precautions: closed operation, local exhaust. Operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self-priming filter dust masks, chemical safety protective glasses, anti-poison infiltration overalls, and rubber gloves. Avoid generating dust. Avoid contact with oxidants. Handle lightly during handling to prevent damage to the packaging. Equipped with leakage emergency treatment equipment. Empty containers may be harmful residues.