Potassium hydroxide (chemical formula: Koh, formula quantity: 56.11) white powder or sheet solid. Strong alkaline and corrosive. As a chemical, what are the safety measures for potassium hydroxide? Let's get to know each other!
Safety measures of potassium hydroxide
Skin contact: remove contaminated clothing immediately and wash with plenty of flowing water for at least 15 minutes. Get medical attention.
Eye contact: lift the eyelid immediately and wash thoroughly with a large amount of flowing water or normal saline for at least 15 minutes. Get medical attention.
Inhalation: quickly leave the site to fresh air. Keep respiratory tract unobstructed. If breathing is difficult, give oxygen. If breathing stops, perform artificial respiration immediately. Get medical attention.
Ingestion: rinse mouth with water and drink milk or egg white. Get medical attention.
Fire fighting method: put out the fire with water and sand, but it is necessary to prevent the splashing of articles in contact with water, causing burns.
Emergency treatment: isolate the leakage pollution area and restrict access. It is recommended that the emergency treatment personnel wear dust mask (full mask) and acid and alkali resistant work clothes. Do not touch the leakage directly. Small leakage: collect in dry, clean and covered container with clean shovel. It can also be washed with a large amount of water, and then diluted into the waste water system. Large amount of leakage: collected and recovered or transported to the waste disposal site for disposal.
Storage and transportation of potassium hydroxide
1. Transportation precautions: during railway transportation, the steel drum package can be transported by open car. The packing shall be complete and the loading shall be safe. During transportation, ensure that containers do not leak, collapse, fall or damage. It is strictly prohibited to mix with inflammables or combustibles, acids, edible chemicals, etc. Transportation vehicles shall be equipped with leakage emergency treatment equipment during transportation;
2. Storage precautions: store in a cool, dry and well ventilated warehouse. Keep away from fire and heat. The humidity in the warehouse should be no more than 85%. The package must be sealed from moisture. It shall be stored separately from inflammable (inflammable) substances and acids, and mixed storage shall be avoided. The storage area shall be equipped with appropriate materials to contain the leakage;
3. Packing method: the solid can be packed in a 0.5mm thick steel drum with a net weight of no more than 100kg; the steel drum with full or middle opening outside the plastic bag or two-layer kraft paper bag; the ordinary wooden box outside the screw mouth glass bottle, iron cover pressure mouth glass bottle, plastic bottle or metal barrel (can); the screw mouth glass bottle, plastic bottle or tin plated steel plate barrel (can) is covered with a bottom plate lattice box and fiberboard Box or plywood box; tin coated steel sheet barrel (can), metal barrel (can), plastic bottle or metal hose outer corrugated box.