Manganese(II) nitrate

Synonyms

Manganese (II) nitrate; Manganese (II) nitrate, anhydrous; Manganese dinitrate; Manganese nitrate; Manganese(2+) nitrate; Manganous dinitrate; Manganous nitrate; Nitric acid, manganese(2+) salt; [ChemIDplus] UN2724

Category

Manganese Compounds, Inorganic

Description

Colorless hygroscopic solid; [Merck Index] White crystals; [CAMEO] 50% Aqueous solution: Pink liquid with an acidic odor; [Alfa Aesar MSDS]

Sources/Uses

Used to produce manganese dioxide, to color ceramics, and as a catalyst; [NJHSFS] Used to make reagent grade manganese dioxide and porcelain colorants; [Merck Index]

Comments

A skin and eye irritant; Toxic by ingestion; May ignite in contact with organic matter or explode in contact with fuels; [CAMEO] 50% Aqueous solution: An oxidizer that may cause fire on contact with combustible materials; A skin and strong eye irritant; [Alfa Aesar MSDS] See "Manganese" and linked occupational diseases. See "NITRATES and NITRITES."

Biomedical References

0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction)

Ceiling(OSHA)=5 mg/m3, as Mn

0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)

Parkinsonism

Diseases

Occupational diseases associated with exposure to this agent:

• Manganese, chronic toxic effect

Activities

Activities with risk of exposure:

• Ceramics making
• Enameling