Manganese zirconium oxide
Agent Name
Manganese zirconium oxide
CAS Number
70692-94-3
Formula
Mn.O3-Zr
Major Category
Metals
Synonyms
Manganese zirconate; Manganese zirconium oxide (MnZrO3); Manganese zirconium trioxide; [ChemIDplus]
Category
Metals, Inorganic Compounds
Description
Purple odorless powder; [MSDSonline]
Comments
An irritant; Harmful by inhalation and ingestion; [MSDSonline] See "Manganese" and linked occupational diseases. See "Zirconium."
Biomedical References
Exposure Assessment
TLV (ACGIH)
5 mg/m3, as Zr (0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction))
STEL (ACGIH)
10 mg/m3, as Zr
PEL (OSHA)
5 mg/m3, as Zr (Ceiling(OSHA)=5 mg/m3, as Mn)
MAK
1 mg/m3, inhalable fraction (Zr insol. Cmpds.), [0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)]
IDLH (NIOSH)
25 mg/m3, as Zr
Adverse Effects
Neurotoxin
Parkinsonism
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: