Arsenic (Trioxide) 99.9% White powder F.M.: As2O3 CAS NO.:1327-53-3 UN NO.: 1561 Danger Grade: class 6.1 Arsenic (Trioxide)Use: Glass, Pesticide, Feedstuffs additive, Arsanilic acid, Wood preservation, Metal arsenic, Arsenic alloy, and Electronic products.Specs.:As2O3 99.9% min.Fe 0.01% max.Pb 0.005% max.Cl 0.003% max.Cr 0.001% max.Cd 0.001% max.H2O 0.05% max.Quantity: 20-25mt/20'FCL