Store in a cool, dry, well ventilated special storage room away from fire and heat source. The temperature of the library is not more than 32 c, and the relative humidity is not more than 75%. The packing is required to be sealed without contact with the air. It should be kept separately from oxidizer, acid, halogen, chlorinated hydrocarbon and so on. The use of explosion-proof lighting, ventilation facilities. It is forbidden to use mechanical equipment and tools that are easy to generate sparks. The storage area should be equipped with appropriate material collection and leakage.