Iodine disinfectant is a medium-acting disinfectant: medium-acting, quick-acting, low-toxic, non-irritating to the skin, corrosive to divalent metals, greatly affected by organic matter, and good in stability. Compound iodine (povidone iodine)
Ethanol (alcohol) is a medium-acting disinfectant: medium-acting, quick-acting, non-toxic, irritating to the skin, non-corrosive to metals, highly affected by organic matter, volatile, unstable and so on.
