Phosphonoacetic acid is a chemical compound widely used in various industries, such as water treatment and agriculture. It also goes by several synonyms that describe its chemical structure and properties. One of the most commonly used alternatives is 2-Phosphonooxyacetic acid, which highlights the presence of a phosphate group bonded to the acetic acid moiety. Additionally, it is sometimes referred to as Ethylphosphonic acid, emphasizing the presence of an ethyl group attached to the phosphorous atom. This compound is also known as Glyphosate metabolite, due to its association with the breakdown product of the herbicide glyphosate. Consequently, these synonyms allow for versatile communication when discussing the compound's various applications or scientific research.