| Molecular formula:NaBF Molecular weight :109.811 Properties: white or colorless crystal , anhydrous matter is   transparent right-angle prism, . Melting point 384°C,   Uses: catalyst, making agent of oxygen, flux, coating,   fluorizating agent and reagent   Assay :≥98%Impurities Index 
 
 
                     
                       | Impurities Name | Index  |  
                       | SO4 | ≤0.01% |  
                       | Fe | ≤0.05% |  
                       | SiO2 | ≤0.3% |  
                       | Pb | ≤0.004% |  
                       | Cl | ≤0.05% |  
                       | PO4 | ≤0.01% |  Packing:25KG plastic woven bag.
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