Zirconium carbide
Agent Name
Zirconium carbide
CAS Number
12070-14-3
Formula
C-Zr
Major Category
Metals
Synonyms
Zirconium carbide (ZrC); [ChemIDplus] UN3178
Category
Metals, Inorganic Compounds
Description
Grey solid; [Hawley] Grey odorless powder; [MSDSonline]
Sources/Uses
Used in incandescent filaments, abrasives, cermets, high-temperature electrical conductors, refractories, and coatings for cutting tools; [Hawley]
Comments
Powder or dust may spontaneously ignite; [Hawley] An irritant; [MSDSonline] See "CARBIDES." See "Zirconium."
Biomedical References
Exposure Assessment
TLV (ACGIH)
5 mg/m3, as Zr
STEL (ACGIH)
10 mg/m3, as Zr
PEL (OSHA)
5 mg/m3, as Zr (compounds)
MAK
1 mg/m3, inhalable fraction (metal and insol. cmpds.)
IDLH (NIOSH)
25 mg/m3, as Zr
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Flammable solid, inorganic, n.o.s."
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: