CAS #： 7440-60-0; Molecular Weight 164.930; Melting Point 1474 °C(lit.); Boiling Point 2695 °C(lit.); Density 8.8 g/mL at 25 °C(lit.).

Holmium metal is mainly used as additive in laser, giant magnetostrictive alloy and optical fiber material, and also used in scientific research and experiment. It is also used to make new paramagnetic materials, vacuum tubes, glazes and enamel. Used as a neutron absorber in atomic reactors. For ICP-AES, AAS , AFS , ICP-MS, ion chromatography, etc. . Standard solution for titrimetric analysis. Calibration instruments and devices; evaluation methods; work standards; quality assurance/quality control;