manganese [Mn]

Introduction

From the Latin magnesia meaning magnet. Isolated in 1774 by the Swedish chemist Johan Gottlieb Gahn.

Occurrence

• large amounts are present in the ocean floor

Characteristics

• a grayish-white usually hard & brittle metallic element that resembles iron, but is not magnetic
• reactive when pure
  • burns in oxygen
  • reacts with water
• dissolves in dilute acids
• imparts color to amesthyst gemstones

Uses

• essential trace element for humans
• used in alloys
  • in steel, improves strength & workability
• used in ceramics & dry cell batteries

More general terms

• trace element
• metal

Additional terms

• manganese in specimen
• Mn+2
• periodic table

Component of

• copper/copper sulfate/manganese/manganese sulfate/zinc sulfate
• cobalamin/magnesium sulfate/manganese/manganese sulfate/nicotinamide/panthenol/pyridoxine/riboflavin/thiamine/zinc sulfate
• ascorbate/cobalamin/copper/copper sulfate/ferrous fumarate/folic acid/magnesium sulfate/manganese/manganese sulfate/nicotinamide/pantothenate/pyridoxine/riboflavin/thiamine/zinc sulfate

Database

• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=23930
• PubChem: http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=27854