100g Arsenic Trioxide As2O3 99+% Purity Lab Grade

Arsenic trioxide (As₂O₃) is supplied as a 100 g lab grade lot at 99+% purity. In glassmaking it is a traditional fining and decolorizing agent, and it is used as a precursor in the production of arsenic compounds for semiconductors and other electronic materials.

Medically it is an established treatment for acute promyelocytic leukemia, and it remains a subject of oncology research. The material is acutely toxic and is intended for laboratory and industrial users equipped to handle it under appropriate controls.