| Agent Name |
Manganese II carbonate |
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| CAS Number |
598-62-9 |
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| Formula |
C-H2-O3.Mn |
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| Major Category |
Metals |
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| 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] |
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| Category |
Metals, Inorganic Compounds |
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| 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] |
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| 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] |
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| Comments |
An irritant; Toxic if absorbed; [MSDSonline] See "Manganese." |
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| Exposure Assessment |
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| TLV (ACGIH) |
0.2 mg/m3, as Mn |
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| PEL (OSHA) | Ceiling(OSHA) = 5 mg/m3, as Mn |
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| MAK |
0.5 mg/m3, inhalable fraction, as Mn |
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| Adverse Effects |
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| Neurotoxin |
Parkinson's Syndrome |
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| Links to Other NLM Databases |
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