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."

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

Parkinson's Syndrome

Links to Other NLM Databases
Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: