Periodic Table of Elements

Element Gallium - Ga

Comprehensive data on the chemical element Gallium is provided on this page; including scores of properties, element names in many languages, most known nuclides of Gallium. 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.

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Overview of Gallium

Gallium's Name in Other Languages

  • Latin: Gallium
  • Czech: Gallium
  • Croatian: Galij
  • French: Gallium
  • German: Gallium - r
  • Italian: Gallio
  • Norwegian: Gallium
  • Portuguese: Gálio
  • Russian: Галий
  • Spanish: Galio
  • Swedish: Gallium

Atomic Structure of Gallium

Chemical Properties of Gallium

Physical Properties of Gallium

Regulatory / Health

  • CAS Number
    • 7440-55-3
  • RTECS: LW8600000
  • 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: <0.08
    • Bone/p.p.m: n/a
    • Liver/p.p.m: 0.0025
    • Muscle/p.p.m: 0.0014
    • Daily Dietary Intake: n/a
    • Total Mass In Avg. 70kg human: <0.7mg

Who / Where / When / How

  • Discoverer: Paul émile Lecoq de Boisbaudran
  • Discovery Location: Paris France
  • Discovery Year: 1875
  • Name Origin:
    Latin: Gallia old name of France (Gaule).
  • Abundance of Gallium:
    • Earth's Crust/p.p.m.: 18
    • Seawater/p.p.m.: 0.00003
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): 631
  • Sources of Gallium:
    Found throughout the crust in minerals like bauxite, germanite and coal. Is produced as a by-product of zinc and copper refining. Around 30 tons per year are produced world wide.
  • Uses of Gallium:
    Used in semiconductor production, quartz thermometers, laser diodes and used to locate tumors.
  • Additional Notes:
    Coefficient of linear thermal expansion/K-1: a axis 11.5E-6; b axis 31.5E-6; c axis 16.5E-6

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