Agent Name

Terbium fluoride

CAS Number

13708-63-9

Formula

F3-Tb

Major Category

Metals

Synonyms

Terbium trifluoride; Terbium(III) fluoride; [ChemIDplus]

Category

Rare Earth Metals

Description

(Dihydrate) Solid; Insoluble in water; [Hawley]

Sources/Uses

Used as a source of terbium; [Hawley]

Comments

(Dihydrate) Strong irritant; [Hawley] See "Terbium." See "RARE EARTH METALS" and linked occupational diseases.

Exposure Assessment
BEI

Fluorides in urine = 2 mg/L prior to shift or 3 mg/L at end of shift; (Repeated measurements recommended.)

TLV (ACGIH)

2.5 mg/m3, as F

PEL (OSHA)

2.5 mg/m3, as F

MAK

1 mg/m3, as F, inhalable fraction

IDLH (NIOSH)

250 mg/m3, as F

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.