Yttrium oxide
Agent Name
Yttrium oxide
CAS Number
1314-36-9
Formula
O3-Y2
Major Category
Metals
Synonyms
Diyttrium trioxide; YO 3-245; Yttria; Yttrium oxide (Y2O3); Yttrium sesquioxide; Yttrium(3+) oxide; [ChemIDplus]
Category
Rare Earth Metals
Description
White solid insoluble in water; [Sax]
Sources/Uses
Used in an alloy with europium for color TV phosphors, in yttrium-iron garnets for microwave filters, and in refractories with zirconia and silicon nitride; [Hawley]
Comments
By the intraperitoneal route, it is a poison. [Sax] A skin irritant; [MSDSonline] See "Yttrium." See "RARE EARTH METALS" and linked occupational diseases.
Biomedical References
Exposure Assessment
TLV (ACGIH)
1 mg/m3, as Y
PEL (OSHA)
1 mg/m3, as Y
Explanatory Notes
mp = 2410 deg C; [Sax]
Adverse Effects
Fibrogenic
Yes
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.