Terbium fluoride
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.
Biomedical References
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
Adverse Effects
Fibrogenic
Yes
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.