Characteristic

 

Manganese(II) sulfate usually refers to the inorganic compound with the formula MnSO₄·H₂O. This pale pink deliquescent solid is a commercially significant manganese(II) salt. 

Chemical formula:MnSO₄

Molar mass:151.001 g/mol (anhydrous);169.02 g/mol (monohydrate);223.07 g/mol (tetrahydrate);277.11 g/mol (heptahydrate)

Appearance:white crystals (anhydrous);pale pink solid (hydrates)

Density:3.25 g/cm³ (anhydrous);2.95 g/cm³ (monohydrate);2.107 g/cm³ (tetrahydrate)

Melting point:710 °C (1,310 °F; 983 K) (anhydrous);27 °C (tetrahydrate)

Boiling point:850 °C (1,560 °F; 1,120 K) (anhydrous)

Solubility in water:52 g/100 mL (5 °C);70 g/100 mL (70 °C)

Solubility:Very slightly soluble in methanol;insoluble in ether and ethanol.

Magnetic susceptibility (χ):1.3660×10⁻² cm³/mol

Crystal structure:orthogonal (anhydrous);monoclinic (monohydrate);monoclinic (tetrahydrate)

 

Application

  

Manganese(II) sulfate is used as a colorant in dyes. It is also used as feed additives, catalyst for the synthesis of chlorophyll, make plants grow well and increase production. It is used for making dryer of ink and paint. It is used in paper making , porcelain/ceramic, medicine and other industries.