5728. Manganese Chloride

Nomenclature

CAS number: 7773-01-5
Manganese chloride (MnCl2); manganous chloride; manganese dichloride.
Cl2Mn; mol wt 125.84.
Cl 56.35%, Mn 43.66%.
MnCl2.

Description and references

Acute toxicity studies: D. J. Holbrook, Jr. et al., Environ. Health Perspect. 10, 95 (1975); P. P. Singh, A. Y. Junnarkar, Indian J. Pharmacol. 23, 153 (1991).

Properties

bp 1231°. LD50 in mice, rats (mg/kg): 1330.0, 1470.0 orally; 126.0, 147.0 i.p.; 171.0, 92.6 i.v. (Singh, Junnarkar).

Derivative

Tetrahydrate.

Nomenclature

CAS number: 13446-34-9
Cl2Mn.4H2O; mol wt 197.91.
Cl 35.83%, Mn 27.76%, H 4.07%, O 32.34%.

Properties

Reddish, slightly deliquesc, monoclinic crystals. d 2.01. mp 58°. Sol in 0.7 part water; sol in alcohol. Insol in ether. pH of 0.2 molar aq soln 5.5. Keep well closed. LD 50 in rats (mmole/kg): 7.5 orally; 0.70 i.p. (Holbrook).

Use

In dyeing (manganese bister); disinfecting; purifying natural gas; linseed oil drier; in electric batteries.