... toxic substance.Appication: It is used in making green fireworks,barium oxide,barium dioxide,optical glass,ceramics and glaze. It is also ... flare,light bomb,anti-corrosive,medicine,metal heat agent etcSpecification: Barium Nitrate ,% ≥99.5Moisture,% ≤0.05Water-insoluble,% ≤0.04Chlorides,% ≤0.03Iron,% ≤0 ...