Sodium arsenate is a chemical compound with the formula Na3AsO4. It appears as a white, crystalline solid and is soluble in water. This compound is primarily used in various industrial applications, including wood preservation and as a herbicide. In addition to its industrial uses, sodium arsenate is also of interest in scientific research, particularly in studies related to arsenic toxicity and its effects on human health. However, it is important to handle sodium arsenate with care, as it is considered toxic and can pose health risks if ingested or inhaled.