p-chloro-m-xylenol, also known as PCMX, is an organic compound commonly used as an antiseptic and disinfectant. It is effective against a variety of bacteria and fungi, making it useful in personal care products, such as hand sanitizers and soaps, as well as in medical settings for sterilization purposes. This compound is a derivative of xylenol, which is a methylated phenol. PCMX is favored for its low toxicity and ability to remain effective in the presence of organic matter, making it a popular choice in both household and industrial cleaning products.