Agent Name |
Holmium |
CAS Number |
7440-60-0 |
Formula |
Ho |
Major Category |
Metals |
Category |
Rare Earth Metals |
Description |
Metal; Crystals; Yellow-green salts; [Merck Index] Soft and malleable, bright-silver metal; oxidizes in moist air and elevated temperature; [Reference #1] |
Sources/Uses |
Source: Rare earth minerals; Comprises about 0.05% of monazite; [Reference #1] Uses: "Getter" in vacuum tubes, research, spectroscopy; [Hawley] |
Comments |
Has unusual magnetic properties, but few uses found so far; It has a low acute toxic rating. [Reference #1] See "RARE EARTH METALS." |
Reference Link |
http://periodic.lanl.gov/elements/67.html |
Exposure Assessment |
Explanatory Notes |
mp = 1474 deg C; [Merck Index] |
Links to Other NLM Databases |