Arsenic Trioxide, Powder, Reagent, ACS, CAS Number 1327-53-3, Molecular Weight 197.84, Chemical Formula As2O3, Chemical Container Material Amber Glass, Chemical Container Type Bottle, Chemical Grade ACS, Chemical Container Size 125 g, Chemical Family Type Analytical Reagents, Shelf Life 24 mo, Shipping Restrictions UN1561, Arsenic Trioxide, 6.1, PG II, Special Information Reductometric Standard Possible Carcinogen