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" and linked occupational diseases.

Reference Link

LANL: Holmium

Exposure Assessment
Explanatory Notes

mp = 1474 deg C; [Merck Index]

Adverse Effects
Fibrogenic

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.