::  Barium Fluoride Barium Fluoride   1. Molecular formula:BaF2 2. Molecular weight:175.324 3. Property:White cubic crystal;relative density:4.83;meltig point:1354??;soluble in chlorhydric acid,nitric acid,acetic acid and hydrofluoric acid and slightly in water. 4. Usage:Welding flux,optical glass and infrared transmitting film. 5. Specificatios Assay: ≥98% Impurity level:   Impurity name Index HF ≤0.15% S ≤0.1% Pb ≤0.01% P ≤0.01% Hg ≤0.001% 6. Packing:25kg plastic woven bag. 7. Caution at transportation:Inorganic toxicant;UN code:1564;specified number of hazardous goods:83018;class of risk:6.1