Periodic Table of Elements

Element Magnesium - Mg

Comprehensive data on the chemical element Magnesium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Magnesium. Common chemical compounds are also provided for many elements. In addition technical terms are linked to their definitions and the menu contains links to related articles that are a great aid in one's studies.

Magnesium Menu

Overview of Magnesium

Magnesium's Name in Other Languages

  • Latin: Magnesium
  • Czech: Hořčík
  • Croatian: Magnezij
  • French: Magnésium
  • German: Magnesium - r
  • Italian: Magnesio
  • Norwegian: Magnesium
  • Portuguese: Magnésio
  • Russian: Магний
  • Spanish: Magnesio
  • Swedish: Magnesium

Atomic Structure of Magnesium

Chemical Properties of Magnesium

Physical Properties of Magnesium

Regulatory / Health

  • CAS Number
    • 7439-95-4
  • OSHA Permissible Exposure Limit (PEL)
    • No limits set by OSHA
  • OSHA PEL Vacated 1989
    • No limits set by OSHA
  • NIOSH Recommended Exposure Limit (REL)
    • No limits set by NIOSH
  • Levels In Humans:
    Note: this data represents naturally occuring levels of elements in the typical human, it DOES NOT represent recommended daily allowances.
    • Blood/mg dm-3: 37.8
    • Bone/p.p.m: 700-1800
    • Liver/p.p.m: 590
    • Muscle/p.p.m: 900
    • Daily Dietary Intake: 250-380 mg
    • Total Mass In Avg. 70kg human: 19 g
  • Discovery Year: 1808
  • Name Origin:
    Greek: From Magnesia a district of Thessaly.
  • Abundance of Magnesium:
    • Earth's Crust/p.p.m.: 23000
    • Seawater/p.p.m.: 1200
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): 4E+07
  • Sources of Magnesium:
    Usually obtained by electrolysis of melted magnesium chloride (MgCl2) found in sea water. World production is around 350,000 tons per year. Primary mining areas are Austria, China, Poland, Russia, USA, India, Greece and Canada.
  • Uses of Magnesium:
    Used in alloys to make airplanes, missiles, racing bikes and other things that need light metals. Also used in fireplace bricks, flashbulbs, pigments and filters.
  • Additional Notes:
    In 1755 Joseph Black in Edinburgh Scotland recognized magnesium as an element, however, it wasn't issolated until 1808 by Sir Humphrey Davy.

Magnesium Menu


A list of reference sources used to compile the data provided on our periodic table of elements can be found on the main periodic table page.

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