Zirconium hydroxide
Agent Name
Zirconium hydroxide
CAS Number
14475-63-9
Formula
H4-O4-Zr
Major Category
Metals
Synonyms
Zirconium hydroxide (Zr(OH)4), (T-4)-; Zirconium tetrahydroxide; [ChemIDplus] Zirconium (IV) hydroxide; [MSDSonline] Hydrous zirconium oxide; [Ullmann]
Category
Metals, Inorganic Compounds
Description
White solid; [Merck Index]
Sources/Uses
Used in the pigment, dye, and glass industries; [Merck Index] Used in the production of zirconium oxide and zirconium sulfate; [Hawley] Used in sol-gel processes to make stabilized zirconias and stainless steel coatings; [Ullmann]
Comments
An irritant; [MSDSonline] 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
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: