When traveling by air, 84 disinfectant cannot be checked in and cannot be carried on board. 84 disinfectant is a highly effective disinfectant based on sodium hypochlorite, which is marketed as a product with an effective chlorine content of 4.0%-6.5% and contains toxic substances and is a hazardous material for air transportation. Other disinfectants such as hydrogen peroxide, alcohol, peroxyacetic acid, chlorine-containing disinfectant tablets, disinfectant effervescent tablets, bleach, potassium permanganate disinfectant tablets (85%-95% potassium permanganate), etc. cannot be shipped, let alone carried on the plane.