Manganese(II) oxide
Agent Name
Manganese(II) oxide
CAS Number
1344-43-0
Formula
Mn-O
Major Category
Metals
Synonyms
C.I. 77726; CI 77726; Cassel Green; Manganese Green; Manganese monooxide; Manganese monoxide; Manganese protoxide; Manganese(II) oxide, mon-; Manganosite; Manganous oxide; NU-Manese; Natural manganosite; Rosensthiel Green; [ChemIDplus]
Category
Manganese Compounds, Inorganic
Description
Green solid; [HSDB] Difficult to mix in water; [MSDSonline]
Sources/Uses
Used in textile printing, analytical chemistry, chemical manufacturing, ceramics, paints, colored glass, animal feeds, fertilizers, food additives, and dietary supplement; [HSDB] Used to make welding fluxes; Also used in ferrites, thermistors, and other electronic applications; [Ullmann]
Comments
A skin, eye, and respiratory tract irritant; Toxic by ingestion and inhalation; [MSDSonline] More readily assimilated by plants than manganese dioxide, thus its use as a fertilizer; [Ullmann] See "Manganese" and linked occupational diseases.
Biomedical References
Exposure Assessment
TLV (ACGIH)
0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction)
PEL (OSHA)
Ceiling(OSHA)=5 mg/m3, as Mn
MAK
0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)
Adverse Effects
Neurotoxin
Parkinsonism
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure:
Activities
Activities with risk of exposure: