Title: Manganese Chloride
CAS Registry Number: 7773-01-5
Synonyms: Manganous chloride; manganese dichloride
Molecular Formula: Cl2Mn
Molecular Weight: 125.84
Percent Composition: Cl 56.35%, Mn 43.66%
Line Formula: MnCl2
Literature 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: 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).
Toxicity data: 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 Type: Tetrahydrate
CAS Registry Number: 13446-34-9
Molecular Formula: Cl2Mn.4H2O
Molecular Weight: 197.91
Percent Composition: 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).
Melting point: mp 58°
Density: d 2.01
Toxicity data: 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.