5739. Manganese Sulfate

Nomenclature

CAS number: 7785-87-7

Sulfuric acid manganese (2+) salt (1:1).

MnO₄S; mol wt 151.00.

Mn 36.38%, O 42.38%, S 21.24%.

MnSO₄.

Forms several hydrates. The article of commerce is usually a mixture of the tetra- and pentahydrates.

Monohydrate.

CAS number: 10034-96-5

MnO₄S.H₂O; mol wt 169.02.

Mn 32.50%, O 47.33%, S 18.97%, H 1.19%.

Pale red, slightly efflorescent crystals; loses all water at 400-450°. Sol in about 1 part cold, 0.6 part boiling water; insol in alcohol.

In dyeing; for red glazes on porcelain; boiling oils for varnishes; in fertilizers for vines, tobacco; in feeds.

Nutritional factor (essential trace element in all animals); prevention of perosis in poultry.