amino tris(methylene phosphonic acid) (ATMP) is a phosphonic acid-containing compound that is often used in water treatment. It is known for its chelating and sequestering properties, which help prevent the buildup of mineral deposits on metal surfaces in a variety of industrial applications. Its versatility also makes it useful in other industries, such as personal care and detergent manufacturing. It is highly soluble in water and has excellent thermal stability, which makes it well-suited for high-temperature applications.