Historically used as a rodenticide, insecticide, and in sheep dips, though these uses are now largely banned globally due to environmental risks.
Used as a de-colorizing and fining agent.
Highly soluble in aqueous solutions but practically insoluble in most organic solvents 2. Primary Applications arsenous oxide
Arsenous oxide is classified as a highly toxic substance with significant human health impacts: Arsenous oxide - AERU - University of Hertfordshire
It is a key ingredient in traditional Chinese medicine and is used in modern oncology (intravenous route) to treat Acute Promyelocytic Leukemia (APL) . Historically used as a rodenticide, insecticide, and in
Arsenic trioxide, white arsenic, arsenic (III) oxide
Despite its high toxicity, arsenous oxide has specific industrial and medical applications: Primary Applications Arsenous oxide is classified as a
Employed as a modifier in specialized glass to enhance optical non-linearity and tune band gaps for the optics realm . 3. Health Hazards and Toxicology