Molecular Formula: | KHF2 |
Molecular Weight: | 78.10 |
Property: | Colorless crystal of tetragonal system;freely soluble in water;acidic in aqueous solution;no loss of hydrogen fluoride in dry air while hydrogen fluoride released by absorbing moisture in moist air. |
Assay: | ≥98.5% |
Impurity level: | Impurity name | Index | SiO3 | ≤0.2% | Cl | ≤0.05% | SO4 | ≤0.05% | Fe | ≤0.005% | Pb | ≤0.005% |
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Usage: | Electrolyte in the preparation of fluorine; in manufacture of anhydrous hydrogen fluoride,potassium fluoride;optical glass and etched glass;also used as welding flux of various metal,wood preservative and catalyst of benzene alkylation. |
Packing : | 25kg plastic woven bag. |
Caution at transportation: | Inorganic toxicant; specified number of hazardous goods: 83020 UN NO:1811 Class of risk:8.3 |