Inhalation, ingestion or skin contact with the substance can cause delayed reactions.

1. Eyes: if the eyes are in direct contact with chemical substances, the eyes shall be immediately rinsed (lavage) with a large amount of water, and the upper and lower eyelids shall be opened from time to time.

2. Skin: if skin is contaminated, wash immediately. Wash contaminated skin with soap and water, keep warm, and seek medical attention quickly. If clothes are contaminated, remove them quickly and dispose of them properly to prevent fire.

3. Breathing: if the contact inhales large amounts of the chemical, immediately move the contact to fresh air, loosen the collar and keep the respiratory tract open. Give oxygen when breathing is difficult; If breathing stops, give artificial respiration, keep warm and rest. Seek medical advice as soon as possible.

4. Ingestion: if ingesting the chemical, seek medical advice immediately.

5, fire extinguishing method: foam, dry powder, carbon dioxide, sand, fog water. If the substance or contaminated fluid enters the waterways, notify downstream users of potential water contamination and notify local health and fire officials and pollution control departments.