Periodic Table of Elements

Element Dysprosium - Dy

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

Dysprosium Menu

Overview of Dysprosium

Dysprosium's Name in Other Languages

  • Latin: Dysprosium
  • Czech: Dysprosium
  • Croatian: Disprozij
  • French: Dysprosium
  • German: Dysprosium -s
  • Italian: Disprosio
  • Norwegian: Dysprosium
  • Portuguese: Disprósio
  • Russian: Диспроэий
  • Spanish: Disprósio
  • Swedish: Dysprosium

Atomic Structure of Dysprosium

Chemical Properties of Dysprosium

Physical Properties of Dysprosium

  • Atomic Mass Average: 162.5
  • Boiling Point: 2835K 2562°C 4644°F
  • Coefficient of lineal thermal expansion/K-1: 10E-6
  • Conductivity
    Electrical: 0.0108 106/cm Ω
    Thermal: 0.107 W/cmK
  • Density: 8.55g/cc @ 300K
  • Description:
    A hard, selivery rare earth metal. It is oxidised by oxygen, dissolves in acids and reacts rapidly with cold water.
  • Elastic Modulus:
    • Bulk: 40.5/GPa
    • Rigidity: 24.7/GPa
    • Youngs: 61.4/GPa
  • Enthalpy of Atomization: 301 kJ/mole @ 25°C
  • Enthalpy of Fusion: 11.05 kJ/mole
  • Enthalpy of Vaporization: 230 kJ/mole
  • Flammablity Class:
  • Freezing Point: see melting point
  • Hardness Scale
    • Brinell: 500 MN m-2
    • Vickers: 540 MN m-2
  • Heat of Vaporization: 230kJ/mol
  • Melting Point: 1685K 1412°C 2574°F
  • Molar Volume: 19 cm3/mole
  • Physical State (at 20°C & 1atm): Solid
  • Specific Heat: 0.17J/gK

Regulatory / Health

  • CAS Number
    • 7429-91-6
  • 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: n/a
    • Bone/p.p.m: n/a
    • Liver/p.p.m: n/a
    • Muscle/p.p.m: n/a
    • Daily Dietary Intake: n/a
    • Total Mass In Avg. 70kg human: n/a
  • Discovery Year: 1886
  • Name Origin:
    Greek: dysprositos (hard to get at).
  • Abundance of Dysprosium:
    • Earth's Crust/p.p.m.: 6
    • Seawater/p.p.m.:
      • Atlantic Suface: 0.0000008
      • Atlantic Deep: 9.6E-07
      • Pacific Surface: N/A
      • Pacific Deep: N/A
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): 11.5
  • Sources of Dysprosium:
    Usually found with erbium, holmium and other rare earths in some minerals. Around 100 tons are produced annually. Primary mining areas are USA, Brazil, India, Sri Lanka and Australia.
  • Uses of Dysprosium:
    As control-rods for nuclear reactors because it readily absorbs neutrons. Also used in alloys for making magnets.
  • Additional Notes:

Dysprosium Menu


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