Periodic Table of Elements

Element Zinc - Zn

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

Zinc's Name in Other Languages

  • Latin: Zincum
  • Czech: Zinek
  • Croatian: Cink
  • French: Zinc
  • German: Zink - r
  • Italian: Zinco
  • Norwegian: Sink
  • Portuguese: Zinco
  • Russian: Цинк
  • Spanish: Zinc
  • Swedish: Zink

Atomic Structure of Zinc

Chemical Properties of Zinc

Physical Properties of Zinc

  • Atomic Mass Average: 65.39
  • Boiling Point: 1180K 907°C 1665°F
  • Coefficient of lineal thermal expansion/K-1: 25E-6
  • Conductivity
    Electrical: 0.166 106/cm Ω
    Thermal: 1.16 W/cmK
  • Density: 7.13g/cc @ 300K
  • Description:
    Hard, brittle, shiny bluish-white transition metal.
  • Elastic Modulus:
    • Bulk: 69.4/GPa
    • Rigidity: 41.9/GPa
    • Youngs: 104.5/GPa
  • Enthalpy of Atomization: 129.7 kJ/mole @ 25°C
  • Enthalpy of Fusion: 7.32 kJ/mole
  • Enthalpy of Vaporization: 115.5 kJ/mole
  • Flammablity Class:
  • Freezing Point: see melting point
  • Hardness Scale
    • Brinell: 412 MN m-2
    • Mohs: 2.5
  • Heat of Vaporization: 115.3kJ/mol
  • Melting Point: 692.88K 419.73°C 787.51°F
  • Molar Volume: 9.16 cm3/mole
  • Optical Reflectivity: 80%
  • Optical Refractive Index: 1.00205
  • Physical State (at 20°C & 1atm): Solid
  • Specific Heat: 0.39J/gK
  • Vapor Pressure = 19.2Pa@419.73°C

Regulatory / Health

  • CAS Number
    • 7440-66-6
  • 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: 7
    • Bone/p.p.m: 75-170
    • Liver/p.p.m: 240
    • Muscle/p.p.m: 240
    • Daily Dietary Intake: 5-40 mg
    • Total Mass In Avg. 70kg human: 2.3 g
  • Discovery Year: Unknown
  • Name Origin:
    German: zink (German for tin).
  • Abundance of Zinc:
    • Earth's Crust/p.p.m.: 75
    • Seawater/p.p.m.:
      • Atlantic Suface: 0.00005
      • Atlantic Deep: 0.0001
      • Pacific Surface: 0.00005
      • Pacific Deep: 0.00052
    • Atmosphere/p.p.m.: N/A
    • Sun (Relative to H=1E12): 28200
  • Sources of Zinc:
    Found in the minerals zinc blende (sphalerite) (ZnS), calamine, franklinite, smithsonite (ZnCO3), willemite, and zincite (ZnO). Annual world wide production is around 5,020,000 tons. Primary mining areas are USA, Canada, Australia, Austria, Russia and Turkey.
  • Uses of Zinc:
    Used to coat other metals (galvanizing) to protect them from rusting. Used in alloys such as brass, bronze, nickel. Also in solder, cosmetics and pigments.
  • Additional Notes:
    Many sources of European origins credit Andreas Marggraf with discovering zink in 1746, however, it had been know in India and China since before the 1500s.

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