Agent Name

Manganese(II) carbonate

CAS Number

598-62-9

Formula

C-H2-O3.Mn

Major Category

Metals

Synonyms

Carbonic acid, manganese(2+) salt (1:1); Manganese carbonate (1:1); Manganese carbonate (MnCO3); Manganese(2+) carbonate; Manganese(2+) carbonate (1:1); Manganous carbonate; Natural rhodochrosite; [ChemIDplus]

Category

Manganese Compounds, Inorganic

Description

Rose-colored crystals; [HSDB] Tarnishes to light brown; [Merck Index] Hygroscopic solid; Practically insoluble in water: 0.065 g/L @ 25 deg C; [MSDSonline]

Sources/Uses

Used as a pigment (manganese white), drier for varnishes, animal feed additive, welding rod ingredient, and to make other manganese salts and pharmaceuticals; [HSDB]

Comments

An irritant; Toxic if absorbed; [MSDSonline] See "Manganese" and linked occupational diseases.

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

Parkinson's Syndrome

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: