Nickel (Ni)

CAS Number



  • metal
  • trace element for plants, various microorganisms and possibly mammals

Main sources

  • industrial and commercial facilities (waste water)
  • combustion processes (coal and heavy heating oil)
  • steel refineries
  • batteries
  • catalysts
  • anti-corrosion agents

Thresholds for the reporting requirement of facilities in accordance with Annex 2 PRTRO

(Ordinance on the Register relating to Pollutant Release and the Transfer of Waste and of Pollutants in Waste Water)

  • Air               50 kg/year
  • Water          20 kg/year
  • Soil              20 kg/year


  • toxic in high concentrations, according to compound
  • metal and alloys: potential allergen

    Further information

    Last modification 16.12.2016

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